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Effect Of Co2 Laser Fluence On Cladding Geometrical Dimensions Alternations, Mohammed Kadhim, Mahdi Hanon, Suhair Hussein Jul 2026

Effect Of Co2 Laser Fluence On Cladding Geometrical Dimensions Alternations, Mohammed Kadhim, Mahdi Hanon, Suhair Hussein

Engineering and Technology Journal

Geometrical dimensions could play a potential role in the function of laser cladding of nickel-base powder on the cold-rolled carbon steel substrate. The geometrical dimensions and their impact on the efficiency of the process of laser cladding of nickel-base powder (Ni -10wt% Al) on cold rolled 0.2% carbon steel substrate was investigated. This work focused on the effect of laser-specific energy input of CO2laser. The geometrical dimensions of cladding regions are including cladding width, cladding height, depth of dilution, contact angle, dilution area, cladding area, and heat-affected zone dimensions determinations. The laser power (1.8 kW) was used at different traverse …

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Effect Of Adding Tio2on Some Mechanical Properties Of Galloy, Osamah Khadhair, Rana Anaee, Kadhum Shabeeb Jul 2026

Effect Of Adding Tio2on Some Mechanical Properties Of Galloy, Osamah Khadhair, Rana Anaee, Kadhum Shabeeb

Engineering and Technology Journal

Because of importance the Ga alloys in dental applications, many attempts were  done  to  improve  the  properties  of  this  alloy. The  currentwork involves  addition  of  TiO2nanotube  powder  to  Galloy  to  improve  somemechanical  properties.  These  properties  included  hardness,  compression, and creep. The characterization of prepared TiO2/Galloys with five wt% of TiO2(1, 2, 3, 4, and 5 wt%) was done by XRD and SEM/EDS. The results showed  that  the  hardness,  compression, were  increased  with  increasing percentage  of  added  TiO2,  while  creep  decrease.Some phases  such as β-Sn,  Ag2Ga  and  Ag9In4were  contributed  to  improve  the  properties  of  new TiO2/Galloycomposites.

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Effect Of Adding Silver Element And Zirconia Ceramic On Corrosion Behavior And Mechanical Properties Of Pure Titanium, Wehad Al-Rawy, Emad Al-Hassani Jul 2026

Effect Of Adding Silver Element And Zirconia Ceramic On Corrosion Behavior And Mechanical Properties Of Pure Titanium, Wehad Al-Rawy, Emad Al-Hassani

Engineering and Technology Journal

In this research, all the samples are prepared using the powder metallurgy technique by adding silver element and Zirconia ceramic material to the commercially pure titanium at a different weight percent of (10, 20 and 30) to investigate the effect of adding these materials to the CP-Ti on corrosion behavior and mechanical properties. There are two sets of each type of alloys Ti-Ag and Ti ZrO2. The Preparation process was by Weighing, Mixing and Homogenizing Powders by Ball Mill, compacting at 4 tons for 1 min. and Sintering at 700 and 900 °C for 2 hrs. under a controlled atmosphere. …

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Effect Of Ordinary Portland Cement On Some Properties Of Pervious Geopolymer Concrete, Wasan I. Khalil, Qais J. Frayyeh, Haider T. Abed Jul 2026

Effect Of Ordinary Portland Cement On Some Properties Of Pervious Geopolymer Concrete, Wasan I. Khalil, Qais J. Frayyeh, Haider T. Abed

Engineering and Technology Journal

In this research, a study is made on the Pervious Geopolymer Concrete (PGC), which is based on local material (Metakaolin). The inclusion of Ordinary Portland Cement (OPC) as a partial substitute for Metakaolin (MK) for the production of (PGCs) has also been investigated. Pervious Geopolymer concrete was outputted from the local Metakaolin (MK), and ordinary Portland cement (OPC) as a partial substitute by weight of MK and silicate of sodium (Na2SiO3) and hydroxide of sodium (NaOH) solution. All PGC samples were cured after 24 hours from casting for five hours at a temperature degree of 50 ° C, then they …

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Design Of Robust Fopi-Fopd Controller For Maglev System Using Particle Swarm Optimization, Salwan Y. Yousif, Mohamed J. Mohamed Jul 2026

Design Of Robust Fopi-Fopd Controller For Maglev System Using Particle Swarm Optimization, Salwan Y. Yousif, Mohamed J. Mohamed

Engineering and Technology Journal

Magnetic Levitation System (MLS) is one of the benchmark laboratories models for designing and testing feedback control systems in the presence of the parametric uncertainties and disturbances effect. Therefore, the MLS can be regarded as a tool to study and verify a certain robust controller design. In this paper, two types of powerful control schemes are presented to control the MLS. The first controller is a robust PI-PD controller, while the other is a robust fractional order FOPI-FOPD controller which provides two extra degrees of freedom to the system. In both controller design procedures, the Particle Swarm Optimization (PSO) algorithm …

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Design And Fpga Implementation Of Intelligent Fault Detection In Smart Wireless Sensor Networks, Mohammed H. Hadi, Abbas Hussain Issa, Atheer Alaa Sabri Jul 2026

Design And Fpga Implementation Of Intelligent Fault Detection In Smart Wireless Sensor Networks, Mohammed H. Hadi, Abbas Hussain Issa, Atheer Alaa Sabri

Engineering and Technology Journal

In this paper, both the design and hardware of Fault Detection (FD) in Wireless Sensor Network (WSN) was implemented using FPGA NI myRIO kit, wireless temperature sensors network with small size, low cost, and low power consumption. Work data processing was performed using pattern recognition methods to detect residual generation. LabVIEW software environment was employed for system performance. In this paper. The design of the hardware circuit NI myRIO kit received temperature from the sensors. The examined system showed an ability to monitor and track any fault or fire that may occur; based on the results, if collected data is …

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Characterization And Mechanical Properties Of The Za-12 Hybrid Composites Reinforced With Nano Ceramic Particles, Aveen K. Yawer, Niveen J. Abdulkader, Dr. Ahmed A. Zainalaadbeen Jul 2026

Characterization And Mechanical Properties Of The Za-12 Hybrid Composites Reinforced With Nano Ceramic Particles, Aveen K. Yawer, Niveen J. Abdulkader, Dr. Ahmed A. Zainalaadbeen

Engineering and Technology Journal

In this work, nanosized Boron nitride and silicon carbide reinforced ZA - 12 matrix hybrid composites were produced using stir casting technique with using of aluminum scrap (AA 2024), pure Al (electrical wires) and zinc scraps. Microstructure Observation was revealed by using scanning electron microscopy, and the analysis showed a uniform distribution of (SiC and BN) hybrid nanoparticles for the Zn-Al matrix. Also, an optical microscope was used to display the dendritic structure and reinforcement particles that dispersed uniformly in the matrix. Mechanical tests results confirmed that the hardness and the compression was increased with increasing the hybrid nanoparticle's percentage, …

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A New Method Using Naive Bayes And Rgbd Facial Identification Based On Extracted Features From Image Pixels, Wisam H. Ali Jul 2026

A New Method Using Naive Bayes And Rgbd Facial Identification Based On Extracted Features From Image Pixels, Wisam H. Ali

Engineering and Technology Journal

Nowadays, life seems to have been resilient, particularly for those with physical disabilities. Recognition of AV letters is one of the critical and famously the difficult structures. This research has been developed based on the potential of the features in some applications than the statistical properties. While, these features have been resolved the lip movement for AV letters recognition, Naive Bayesian and Red green blue and depth RGBD have been adopted for visual letter identification. Naive Bayesian has 73.33% for usual recognition with three letters, each with ten frames, while RGBD classifier is 100%. Within that for this case, two …

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Deposition Of Ceo2/Tcp Thin Film On Stainless Steel 316 L By Rf Sputtering, Hiba A. Abdullah, Ahmed M. Al-Ghaban, Rana A. Anaee Jul 2026

Deposition Of Ceo2/Tcp Thin Film On Stainless Steel 316 L By Rf Sputtering, Hiba A. Abdullah, Ahmed M. Al-Ghaban, Rana A. Anaee

Engineering and Technology Journal

RF sputtering method was used for deposition 70wt% CeO2/TCP thin film on stainless steel 316L surface. The selection of ceria and tricalcium phosphate is according to the fact the importance of these materials in biomedical media. The produced coating was characterized by XRD, FESEM/EDS and AFM analysis, the result revealed that the obtained peaks from XRD refer to the deposited materials. When substitution of Ce was done, distorting of the lattice structure can occur suggesting certain incorporation of the cerium oxide within TCP lattice. Also, from SEM investigation uniformly homogeneous surface as a layer of (CeO2 + CaO) and TCP …

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Design, Fabrication, And Testing Of An Electromechanical High-Temperature Tensile Test Machine, Taif Y. Ghadhban, Hussain J.M Al-Alkawi, Ahmed H. Reja Jul 2026

Design, Fabrication, And Testing Of An Electromechanical High-Temperature Tensile Test Machine, Taif Y. Ghadhban, Hussain J.M Al-Alkawi, Ahmed H. Reja

Engineering and Technology Journal

The following paper presents a developed design and manufacturing of a servo-driven Electromechanical high-temperature tensile machine with an integrated environmental chamber. The maximum load capacity is set to be 20 kn with the possibility of future upgrades. The machine is automated by a computerized system that controls the entire operation of the designed machine. It is designed to be capable for testing a variety of materials at various temperatures ranging from room temperature up to 500℃. The machine was fully controlled using automated software to control the entire operation and to provide users with a certified test report. The main …

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Slope Stability Analysis Of Haditha Dam After Earthquake Using Geo-Studio Software, Mohammed K. Malik, Ibtisam R. Karim Jul 2026

Slope Stability Analysis Of Haditha Dam After Earthquake Using Geo-Studio Software, Mohammed K. Malik, Ibtisam R. Karim

Engineering and Technology Journal

The current study is designed to analyze theslope stability of Haditha damwhich is an earth-fill dam constructed on the Euphrates River in the middle-west of Iraq. Finite element modeling was used in the present study to analyze the combined seepage and post-earthquake slope stability of Haditha earth dam. The maximum water level of a steady seepage case was considered to evaluate seepage. - Three different water levels (maximum, normal, and minimum) were applied, and nine different equilibrium slope stability limits were used to analyze the upstream and downstream slopes of the dam with three horizontal maximum accelerations.The input data given …

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Investigation Of Thickness Distribution Variation In Deep Drawing Of Conical Steel Products, Muhsin J. Jweeg, Adnan I. Mohammed, Mohammed S. Jabbar Jul 2026

Investigation Of Thickness Distribution Variation In Deep Drawing Of Conical Steel Products, Muhsin J. Jweeg, Adnan I. Mohammed, Mohammed S. Jabbar

Engineering and Technology Journal

This study investigates the thickness variation behavior of deep drawing conical products under the effect of different forming parameters such as die wall inclination angle, punch velocity, sheet thickness, and sheet metal type. Two types of sheet metal were used, low carbon (AISI 1008) and galvanized steel sheets, of 110 mm diameters circular blanks at 0.9 and 1.2mm thickness formed by tooling set (punch, die, and blank holder). The conical dies inclination angles were at 70ᵒ, 72ᵒ, and 74ᵒ where, the punch velocity was 100, 150, and 200 mm/min. Numerical simulation was conducted using ABAQUS 6.14 where a dynamic explicit …

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Effect Of Zro2 And Y2o3 Deposition On Biological Behavior Of Ti-Base Alloys, Zainab Z. Al-Asadia, Fatimah J. Al-Hasani Jul 2026

Effect Of Zro2 And Y2o3 Deposition On Biological Behavior Of Ti-Base Alloys, Zainab Z. Al-Asadia, Fatimah J. Al-Hasani

Engineering and Technology Journal

Titanium has a good ability to attach to bone and living tissue, making it a perfect material for orthopedic implants. Because of the combination of high resistance to corrosion, biocompatibility and excellent mechanical properties. This work aims to study the Modifications of various base titanium implant samples producing by using powder technology (Ti-pure, Ti-45 % Ni, Ti10 % Co, and Ti-30 % Ta) by deposition of Nano Zirconia and yttria powders (70 %ZRO2 and 30% Y2O3 ). Chemical pretreatment carried out to prepare the implant surface before deposition, while the deposition process accomplished by pack cementation. The Characterizations of samples …

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Characterization Of Nb2o5-Ni Coating Prepared By Dc Sputtering, Hiyam M. Jedy, Rana A. Anaee, Abdullah A. Abdulkarim Jul 2026

Characterization Of Nb2o5-Ni Coating Prepared By Dc Sputtering, Hiyam M. Jedy, Rana A. Anaee, Abdullah A. Abdulkarim

Engineering and Technology Journal

The Nb2O5-Ni coating was processed using DC sputtering on structural steel and study characterization of composite coating SEM/EDS inspection indicated clearly perfect incorporation of Nb2O5 within the nickel rich. Increasing in surface roughness and decreasing in average diameters of particles were obtained for coated surface compared with uncoated surface from AFM analysis, in addition, microhardness test and thickness test showed that increasing of the hardness value to 163 HV for Nb2O5 - Ni composite coating compared to 132 HV for uncoated samples, the hardness for Ni coating also increasing to155 HV and the thickness for Nb2O5-Ni composite coatings increased significantly …

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Optimal H-Infinity Pid Model Reference Controller Design For Roll Control Of A Tail-Sitter Vtol Uav, Ali H. Mhmood, Hazem I. Ali Jul 2026

Optimal H-Infinity Pid Model Reference Controller Design For Roll Control Of A Tail-Sitter Vtol Uav, Ali H. Mhmood, Hazem I. Ali

Engineering and Technology Journal

In this work, an optimal and robust controller based on consolidating the PID controller and H-infinity approach with the model reference control is proposed. The proposed controller is intended to accomplish a satisfactory transient response by including the reference model. A Tail-Sitter VTOL UAV system is used to show the effectiveness of the proposed controller. A dynamic model of the system is formulated using Euler method. To optimize the design procedure, the Black Hole Optimization (BHO) method is used as a new Calibration method. The deviation between the reference model output and system output will be minimized to obtain the …

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Phase Transformations, Microstructure And Shape Memory Effect Of Nitiag Alloy With Different Atomic Percentages (At. % Ag) Manufactured By Casting Method, Saja M. Hussein, Khansaa D. Salman, Ahmed A. Hussein Jul 2026

Phase Transformations, Microstructure And Shape Memory Effect Of Nitiag Alloy With Different Atomic Percentages (At. % Ag) Manufactured By Casting Method, Saja M. Hussein, Khansaa D. Salman, Ahmed A. Hussein

Engineering and Technology Journal

In this paper, shape memory alloys (SMAs) (NiTi-based) have been manufactured by casting with a different atomic percentage of a silver element (0, 1, 2 and 3 at. % Ag) using a Vacuum Arc Remelting (VAR) furnace. The silver element is added to the binary alloys due to its excellent properties such as (anti-corrosion, anti-bacterial and high electrical conductivity), which make these alloys using in wider applications. These alloys with different atomic percentages (Ni55Ti45Ag0, Ni55Ti44Ag1, Ni55Ti43Ag2 and Ni55Ti42Ag3) have been manufactured. The successful manufacturing process has been achieved and proved via examinations and tests. The FESEM microscopic examinations show that …

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Impact Of Distributed Generation On A Distribution Network Voltage Sags In Baghdad City, Ali H. Mohammed, Suad I. Shahl Jul 2026

Impact Of Distributed Generation On A Distribution Network Voltage Sags In Baghdad City, Ali H. Mohammed, Suad I. Shahl

Engineering and Technology Journal

Voltage sags are considered as one of the most detrimental power quality (PQ) disturbance due to their costly influence on sensitive loads. This paper investigates the voltage sag mitigation in distribution network following the occurrence of a fault. Two software are used in this work; the 1st is MATLAB R2017a for implementation of the Differential Evaluation (DE) algorithm to find the optimal location and size DG and while the 2nd software is CYME 7.1 for the distribution system modelling and analysis. The effectiveness of the proposed method is tested by implementing it on IEEE 33-bus system, and then it is …

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Hybrid Pso-Rbfnn And Proposed Algorithms Of Dddwt For The Heart Disease Classification, Ansam S. Jabbar Jul 2026

Hybrid Pso-Rbfnn And Proposed Algorithms Of Dddwt For The Heart Disease Classification, Ansam S. Jabbar

Engineering and Technology Journal

This paper introduced a Particle Swarm Optimization-Radial Basis Function Neural Networks (PSO-RBFNN)-based system for heart disease detection that used the PSO algorithm to optimize RBFNN parameters. The newly developed signal digital algorithm presents the results of a new image contrast enhancement approach using Double Density Discrete Wavelet transform DDDWT for extraction of features, using adaptive DDDWT for the elimination of noise, and the use of PSO and ANN methods to classify the output from the Electrocardiogram (EGGS). It also provides identification of all techniques and MATLAB codes used to improve the processes.This approach merged the global search power of the …

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Assessment Of The Water Quality Index Of The Tigris River Between The University Of Baghdad And Diyala River, Ayat N. Abed, Gahyda Y. Al Kindi, Tariq A. Hussain Jul 2026

Assessment Of The Water Quality Index Of The Tigris River Between The University Of Baghdad And Diyala River, Ayat N. Abed, Gahyda Y. Al Kindi, Tariq A. Hussain

Engineering and Technology Journal

The Tigris River is considered as one of the two major rivers in Iraq. Many factories are located on both bank of the river such as the public company for soft drinks, Al-Dura oil refinery, chemical, plastic, and leather factories, Dura electricity station, and others. It is well known that most discharge effluents into the river do not match national standard specifications. In addition, the major aim of the presented work is to assess the Water Quality Index (WQI) for the Tigris River starting from The University of Baghdad to 0.5 km downflow the confluence of the Diyala River. The …

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Al2o3-Tio2-Pmma Bio-Composite Coating Via Electrostatic Spray Technique, Rasha A. Issa, Mohanad N. Al-Shroofy, Hanna A. Al-Kaisy Jul 2026

Al2o3-Tio2-Pmma Bio-Composite Coating Via Electrostatic Spray Technique, Rasha A. Issa, Mohanad N. Al-Shroofy, Hanna A. Al-Kaisy

Engineering and Technology Journal

This work aims preparation of polymer-based biocomposite coating by electrostatic spray method onto 316L stainless steel substrate, the present work will compare the effects of incorporation of Al2O3 and TiO2 particles at a different percentage of (10,15 and 20 % wt. from Al2O3 and TiO2 with (90,85 and 80% wt. PMMA - based electrostatic deposition coating is studied. The structure and chemical composition of composite coatings were studied by using (SEM) & (EDS) and mechanical properties (Microhardness and adhesion strength) of Al2O3-TiO2-PMMA composite coating. The SEM&EDX result showed that the composite coating to be dense with uniform dispersants and continuous …

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Modelling Of Future Water Use Scenarios Using Weap Model: A Case Study In Baghdad City, Iraq, Mustafa M. Al-Mukhtar, Ghasaq S. Mutar Jul 2026

Modelling Of Future Water Use Scenarios Using Weap Model: A Case Study In Baghdad City, Iraq, Mustafa M. Al-Mukhtar, Ghasaq S. Mutar

Engineering and Technology Journal

Iraq is one of the Middle East countries that suffer from water scarcity. In addition to the water policy of the upstream riparian countries; rapid population increase, economic growth, and climate changes are the major stressors of water resources available for domestic and agricultural sectors in this country. Therefore, it is of importance to determine the optimal water management methodology. This study aims to identify the optimal water allocation among the domestic, agricultural, and industrial sectors of Baghdad city under present and potential future scenarios. As such, the WEAP model was used to assess and analyze the current and projected …

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A Novel Recursive Heuristic Algorithm For Straight And U-Shaped Assembly Line Balancing With Fuzzy Processing Time, Samah. A. Aufy, Allaeldin. H. Kassam Jul 2026

A Novel Recursive Heuristic Algorithm For Straight And U-Shaped Assembly Line Balancing With Fuzzy Processing Time, Samah. A. Aufy, Allaeldin. H. Kassam

Engineering and Technology Journal

The paper aims to address the straight and U–type assembly line balancing problems by developing a novel recursive heuristic algorithm based on the idea of the depth of search. The dynamic fuzzy processing time (DFPT) model is employed to represent uncertainty and ambiguity related to the processing time in the actual production systems. The novel algorithm, the minimum cycle time objective is considered for a set of imposed considerers. They are arranged in an appropriate strategy in which three-stages are proposed and presented as a solution approach. Finally, the validity of the developed solution approach is evaluated through a tested …

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Design Of An Optimal Backstepping Controller For Nonlinear System Under Disturbance, Luay T. Rasheed, Mohammed K. Hamzah Jul 2026

Design Of An Optimal Backstepping Controller For Nonlinear System Under Disturbance, Luay T. Rasheed, Mohammed K. Hamzah

Engineering and Technology Journal

The aim of the work for this paper is the design of an optimal backstepping controller for a nonlinear pendulum system to stabilize the position of pendulum’s ball suspended in the desired position. The Cuckoo optimization algorithm (COA) has been utilized to get and tune the gain variables of the proposed backstepping controller in order to find the best torque action for the system. The numerical simulation results using (MATLAB package) show the robustness and the effectiveness of the proposed backstepping based COA controller in terms of obtaining the best torque control action without a saturation state that will stabilize …

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Optimal Placement And Size Of Distributed Generators Based On Autoadd And Pso To Improve Voltage Profile And Minimize Power Losses, Mustafa R. Nasser, Inaam I. Ali, Mohammed H. Alkhafaji Jul 2026

Optimal Placement And Size Of Distributed Generators Based On Autoadd And Pso To Improve Voltage Profile And Minimize Power Losses, Mustafa R. Nasser, Inaam I. Ali, Mohammed H. Alkhafaji

Engineering and Technology Journal

This work aims to improve the voltage profile and reduce electrical network losses through optimal planning of distributed generators. A new search algorithm (Autoadd) along with the (PSO) are introduced to choose the best location and size for distributed generators. Two systems are implemented; a 33-bus test network and a 30-bus of a local community in the city of Al- Diwaniyah. At the power flow, a solution is implemented using a fixed-point iteration method within an OpenDSS environment to check the performance of both networks. Moreover, the optimal location and size of the distributed generators are determined using Autoadd and …

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Estimation Of The Components Of Residential Solid Waste In Baqubah City And Their Generation Rate, Esraa Q. Shehab, Zainab B. Mohammed, Mohammed Y. Fattah Jul 2026

Estimation Of The Components Of Residential Solid Waste In Baqubah City And Their Generation Rate, Esraa Q. Shehab, Zainab B. Mohammed, Mohammed Y. Fattah

Engineering and Technology Journal

Municipal solid waste is of variable, non-uniform inconsistent nature and the method by which the sample to acquire is decisive if the results are to be reliable. For data collection, an integrated methodological approach was introduced, including field investigation, questionnaire survey, and personal interviews, which were employed to estimate the rate of waste production and physical composition at the source of generation. Samples were collected from different socio-economic clusters (socio-income level). According to the results of the preliminary survey for 99% confidence interval and 10% standard error, the optimum sample size was 105 households, in Baqubah City in Diyala Governorate …

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Nonlinear Finite Element Analysis Of Fiber Reinforced Concrete Slabs, Saad A. Al-Taan, Ayad A. Abdul-Razzak Jul 2026

Nonlinear Finite Element Analysis Of Fiber Reinforced Concrete Slabs, Saad A. Al-Taan, Ayad A. Abdul-Razzak

Engineering and Technology Journal

This paper presents a study on the behavior of fiber reinforced concrete slabs using finite element analysis. A previously published finite element program is used for the nonlinear analysis by including the steel fiber concrete properties. Concrete is represented by degenerated quadratic thick shell element, which is the general shear deformable eight node serendipity element, and the thickness is divided into layers. An elastic perfectly plastic and strain hardening plasticity approach are used to model the compression behavior of concrete. The reinforcing bars were smeared within the concrete layers and assumed as either an elastic perfectly plastic material or as …

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Experimental Study And Numerical Simulation Of Plane Steel Frame With Rubberized Connecting Technology Subjected To Seismic Effect, Suhaib J. Ali, Amer M. Ibrahim, Sarmad Shafeeq Jul 2026

Experimental Study And Numerical Simulation Of Plane Steel Frame With Rubberized Connecting Technology Subjected To Seismic Effect, Suhaib J. Ali, Amer M. Ibrahim, Sarmad Shafeeq

Engineering and Technology Journal

This paper represents experimental and numerical study the behavior of the rubberized steel frame connections. One single-bay, one-story without elastic buckling are cyclically tested. The experimental specimens are simulated and analyzed by the ABAQUS program. Four specimens of steel plane portal frame are investigated under horizontal reversed cyclic loads. The specimen connections are developed by using different diameters of composite steel bolts/rubber instead of conventional steel bolts to connect the beams with columns. The yield and ultimate strength, ductility, envelope curves, and damping ratio of these specimens are analyzed and compared. The finite element method is used to establish and …

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Effect Of Oil – Corrosion On Tensile And Fatigue S-N Curve Properties Of Aa6061-T6, Hussain J.M. Al-Alkawi, Ghgada A. Aziz, Shmoos R. Mazel Jul 2026

Effect Of Oil – Corrosion On Tensile And Fatigue S-N Curve Properties Of Aa6061-T6, Hussain J.M. Al-Alkawi, Ghgada A. Aziz, Shmoos R. Mazel

Engineering and Technology Journal

The present study described the effect of shot peening on mechanical properties and rotating corrosion –fatigue behavior (strength and life) of AA6061-T6. Ultimate tensile strength (UTS) and yield stress (YS) were reduced by 4.6% and 1.24% when immersing the tensile samples in crude oil for 60 days. The values of (UTS) and (YS) were raised from 307 to 316 MPa and from 248 to 254 MPa respectively when treated for 10 min. shot peening (SP). Hardness of oil corrosion samples dropped due to pitting corrosion and slightly raised for SP prior to corrosion samples. Oil corrosion reduced the fatigue strength …

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Design And Performance Analysis Of Permanent Magnet Synchronous Motor For Electric Vehicles Application, Mustafa Y. Bdewi, Ahmed M. Mohammed, Mohammed M. Ezzaldean Jul 2026

Design And Performance Analysis Of Permanent Magnet Synchronous Motor For Electric Vehicles Application, Mustafa Y. Bdewi, Ahmed M. Mohammed, Mohammed M. Ezzaldean

Engineering and Technology Journal

In electrical vehicle applications, power density plays a significant role in improving machine performance. The main objective of this paper is to design and analyze the performance of in-wheel outer rotor permanent magnet synchronous motor (PMSM) used in electric vehicles based on a previously designed model. The key challenge is to achieve the best machine performance regarding the highest torque density and lowest torque ripple. This work also aims at reducing the machine cost by using permanent magnet (PM) material, which has less energy density than the PM used in the previously designed model. An optimization procedure is carried out …

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(Polyphenyl Sulfone - Polyether Sulfone) Blending To Performance Flat Sheet Membrane To Remove Some Heavy And Radioactive Elements From Phosphogypsum Waste, Waleed T.Rashid, Israa A. Alkadir, Moayyed G. Jalhoom, Khalid T. Rashid Jul 2026

(Polyphenyl Sulfone - Polyether Sulfone) Blending To Performance Flat Sheet Membrane To Remove Some Heavy And Radioactive Elements From Phosphogypsum Waste, Waleed T.Rashid, Israa A. Alkadir, Moayyed G. Jalhoom, Khalid T. Rashid

Engineering and Technology Journal

In this research, the traditional version of the phase inversion method was used to fabricate a flat sheet of a blended membrane. The method was involved using a polymer that blends polyether sulfone (PES) varied proportions (0,3,4 and 5 wt.%), and polyphenyl sulfone (PPSU) was 20wt%. It was found that with the addition of PES, the membrane properties increased, the best properties were with 4%wt. The ratio was chosen PES 4wt% to study the effect of time, temperature, and pressure on the rejection of heavy and radioactive elements. The increase in the porosity was with the addition of 4% PES. …

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