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Articles 1 - 30 of 43
Full-Text Articles in Engineering
Impact Of Alkaline Doping And Reducing Conditions On Lafeo3, Geoffrey L. Beausoleil Ii
Impact Of Alkaline Doping And Reducing Conditions On Lafeo3, Geoffrey L. Beausoleil Ii
Geoffrey L Beausoleil II
Efficient and reliable materials for gas separation, syngas production, and hybrid nuclear power plants must be capable of reliably operating at a high-temperature range of 700-1000°C and under exposure to highly oxidizing and reducing conditions. Candidate materials for these applications include alkaline metal doped lanthanum ferrite.
In the first study, the impact of A site substitution by different alkaline metals on lanthanum ferrite (LMF, M=Ca, Sr, and Ba) was investigated. The study focused on thermal expansion near the Néel transition temperature and a magneto-elastic contribution to thermal expansion was identified for each sample. Iron oxidation, Fe3+ to Fe4+, was identified …
Application Of Fly-Ash Composite In Plasma Surface Engineering, Ajit Behera
Application Of Fly-Ash Composite In Plasma Surface Engineering, Ajit Behera
Ajit Behera
Fly-ash produced from iron & steel industries contains rich amount of metal oxides which gives a tremendous potential as a coating material on structural components. This demand leads to develop and characterize different type of fly ash composite coatings by using plasma spray technique. Plasma spray technology has the advantage of being able to process various low-grade ore minerals to obtain value-added products and also to deposit metals, ceramics and a combination of these, generating approximately homogeneous coatings with the desired microstructure. In the present investigation, coatings are developed on copper substrates using fly-ash+ quartz+ illmenite composite (in a weight …
Coating Material Interaction On Metal Substrate By Application Of Plasma Spraying, Ajit Behera
Coating Material Interaction On Metal Substrate By Application Of Plasma Spraying, Ajit Behera
Ajit Behera
In this paper, Fly-ash+quartz+illmenite with weight percentage ratio: 60:20:20, is deposited on mild steel and copper substrates by atmospheric plasma spraying at various operating power level ranging from 11 to 21 kW. The properties of the coating depend on the interaction of coating powder with plasma, operating condition and the process parameters. The coating quality and behavior depends on Coating surface & interface morphology are studied with Scanning Electron Microscope. For Mild Steel the adhesion strength has varied from 3.5MPa to 6.56MPa and for Mild steel a maximum of 6.56MPa at the power level of 21 kW. In plasma spraying, …
Simulation Of Phase Transformation Behavior Of Niti Doped With Cu During Loading Using Classical Molecular Dynamics, Ajit Behera
Simulation Of Phase Transformation Behavior Of Niti Doped With Cu During Loading Using Classical Molecular Dynamics, Ajit Behera
Ajit Behera
No abstract provided.
Application Of Neural Network Analysis To Correlate The Properties Of Plasma Spray Coating, Ajit Behera
Application Of Neural Network Analysis To Correlate The Properties Of Plasma Spray Coating, Ajit Behera
Ajit Behera
Thermal spray coatings are more often being demanding process at the recent stages of industrial design processes to become fundamental element of the engineering system. The aim of the present paper is to develop a model-based estimation and control for regulating the coating adhesion strength, by using neural network. This proposed model permits cost reduction by the possibility of adjusting the parameter of the process for each of the desired properties, which can directly act as a quality control process. By this artificial neural network (ANN) technique, the possibility of adhesion strength of the mixture of flyash, quartz and illmenite …
Least Square Support Vector Machine Alternative To Artificial Neural Network For Prediction Of Surface Roughness And Porosity Of Plasma Sprayed Copper Substrates, Ajit Behera
Ajit Behera
Plasma spraying technique has become a subject of intense research in many industrial structural/functional applications because its peculiarity surface properties. This investigation explains about plasma sprayed copper surface property. Here industrial waste and low grade ore (i.e. Flay-ash+ quartz+ illmenite), used as deposit material which is to be coated on copper substrates. In many applications, it is found that for structural modification, surface roughness & porosity parameters are very important. To decrease both surface roughness and coating porosity by optimizing other necessary properties, different soft computing methods like Artificial Neural Network (ANN) and Least Square support vector machine techniques used. …
A Novel Material Used In Automotive Industry: Compacted Graphite Iron, Ajit Behera
A Novel Material Used In Automotive Industry: Compacted Graphite Iron, Ajit Behera
Ajit Behera
In recent decades, materials have been a key to increase the performance of automotive parts which leads to development of new materials. The main objective is to achieve increase in quantity and quality of automotive parts produced with optimum performance during their life cycle. Cast iron has remained a competitive material due, in part, to its low production cost. In fact, among the cast iron group, one of the alternatives is lightweight alloys, that is, compacted graphite iron (CGI). Nowadays, it is accepted that CGI can effectively reduce the total weight of an automobile by virtue of its high strength- …
Classification Of Biomaterials Used In Medicine, Ajit Behera
Classification Of Biomaterials Used In Medicine, Ajit Behera
Ajit Behera
In this decade many researches are potentially going forward by using biomaterials in the medical field. Biomaterials can used in living creature body, taking in account of there biocompatibility. This paper describes about classification of different biomaterials which are used in medical industries. Advances in surgical technique and instruments have permitted materials to be used in ways that were not possible previously. Bio-material can partially/totally replaces one or more part of the body. Before using biomaterials, it should in mind that, which categories they are belongs and main focuses are on biocompatibility, bioinert, bioactive/surface reactive, biodegradable, sterilizability, adequate mechanical and …
Comparative Study Of Cryo -Treated Steel, Ajit Behera
Comparative Study Of Cryo -Treated Steel, Ajit Behera
Ajit Behera
— It is well known that most important problems faced by many industrial machine parts are the wear and tear which increases the cost of production and wasted time for the replacement process. Now-a-days cryogenic treatment would be regarded as one of the most important processes in the field of industries, and it is the ultra modern type of processing to make the metals more resistant to wear and more durable. Cryogenic treatment is an additional process to conventional heat treatment process. It involves freezing of materials at cryogenic temperatures to enhance the physical and mechanical properties of materials. This …
Characteristic Study On Ni50mn45sn5 By Dsc & X-Ray Analysis, Ajit Behera
Characteristic Study On Ni50mn45sn5 By Dsc & X-Ray Analysis, Ajit Behera
Ajit Behera
The Martensitic Transformation in Ferromagnetic shape memory alloys (FSMAs) can be triggered not only by changes in temperature and stress as that of paramagnetic conventional shape memory alloys, but also by changes in the applied magnetic field. It is well known that ferromagnetic shape memory alloy has diversified utilization, but not satisfactorily use, mainly because of high cost of processing and high cost of alloying elements. Among all Heusler alloy, Ni-Mn-Sn alloy have potential properties and exhibits lower cost. In this experiment Ni50Mn45Sn5 alloys characterize by using differential scanning calorimetric (DSC), optical microscope and X-Ray diffraction technique. The alloy undergoes …
Dependence Of Adhesion Strength Of Plasma Spray On Coating Surface Properties, Ajit Behera
Dependence Of Adhesion Strength Of Plasma Spray On Coating Surface Properties, Ajit Behera
Ajit Behera
It is well known that thermal plasma spray coatings have diversified utilizations, but not vividly in use,mainly because of high cost of spray grade powder, for development of thick coating > 50 µm on metalsubstrates. Present investigation aims at depositing plasma spray coating on metals using low-cost/waste materials. A mixture of fly-ash + 20 weight percent of Quartz + 20 weight percent of illmeniteis used for coating on copper and mild steel substrates. The powder mixture is plasma sprayed bydifferent operating power levels (11 to 21 kW) of the plasma torch. The coatings are characterized for their adhesion strength, porosity and …
Utilization Of Mathematical Model To Understand Martensitic Transformation In Ferromagnetic Shape Memory Alloys, Ajit Behera
Utilization Of Mathematical Model To Understand Martensitic Transformation In Ferromagnetic Shape Memory Alloys, Ajit Behera
Ajit Behera
No abstract provided.
Analysis Of Martensitic Transformation In Ni-Mn-Sn Fsma, Ajit Behera
Analysis Of Martensitic Transformation In Ni-Mn-Sn Fsma, Ajit Behera
Ajit Behera
Ferromagnetic shape memory alloys (FSMA) are a new class of potential multifunctional materials with advancement over the conventional heat-driven shape memory alloys due to their exceptional properties. FSMAs can be controlled by magnetic field have attracted considerable attention as a type of magnetic actuator materials. Among the Heusler alloys that exhibit magnetic shape memory effect, the most extensively studied are those of the Ni-Mn-Ga system. However, to overcome some of the problems related to practical application, such as the high cost of gallium and the low martensitic transformation temperature that they usually present, the search for Ga-free alloys has been …
Assurance Of Quality Improvement For Tool Steel By Cryo-Processing, Ajit Behera
Assurance Of Quality Improvement For Tool Steel By Cryo-Processing, Ajit Behera
Ajit Behera
Cryo-processing, a supplementary process to conventional heat treatment, involves freezing of materials at cryogenic temperatures to enhance the mechanical and physical properties of materials. This paper deals with improvement of properties of the tool steel by cryogenic treatment and its greater life span in an industrial application. After the Second World War cryogenic technology were abandoned until the seventies when aerospace industry took up this technology again and the treatment started to be developed as a new industrial process. Today cryogenic treatment would be regarded as one of the most important processes in the field of industries, and it is …
Utilization And Investigation Of Polymer In Drug Industry, Ajit Behera
Utilization And Investigation Of Polymer In Drug Industry, Ajit Behera
Ajit Behera
This paper provides investigation about the links between Polymers and Drug, which can provide information for drug enforcement authorities. Oral route of drug administration is oldest and safest mode of drug administration which does not possess the sterility problem with minimal risk of damage at the site of administration. Close cooperation between laboratory and law enforcement personnel is essential to maximize the operational value of drug characterization studies. For stable & satisfactory extend release profile of drug from fabricated polymeric matrix preparation in the form of tablets were identified with different proportion. Chemical links between Drug (Trimetazidine.HCl) and Polymer (Metalose) …
Property Optimization Of Ferromagnetic Shape Memory Alloys With Respect To Cost, Ajit Behera
Property Optimization Of Ferromagnetic Shape Memory Alloys With Respect To Cost, Ajit Behera
Ajit Behera
Ferromagnetic shape memory alloys (FSMAs) are the interesting materials exhibiting shape memory effect and magnetism simultaneously. They show magnetic field-induced strains at room temperature greater than any magnetostrictive, piezoelectric or electrostrictive material, and faster frequency response than temperature driven shape memory alloys. Among various FSMA materials, Ni-Mn-X (X =Ga, In, Sn, Sb) have gained considerable interest due to their multifunctional properties such as shape memory effect, magnetocaloric effect, magnetoresistance, etc., associated with first order martensite to austenite structural transition. FSMA spread its application in broad area from aerospace industry to medical application, but not vividly use; because of its high …
New Solution For Property Improvement Of Automobile Parts, Ajit Behera
New Solution For Property Improvement Of Automobile Parts, Ajit Behera
Ajit Behera
Now a day materials have been a key to increase the performance of automotive parts, which point out to develop a new materials having better property. Main objective is to achieve increase in quantity and quality of automotive parts produced and for an optimum performance along their life cycle. Cast iron has remained a competitive material due to its low production cost. In fact, among the cast iron group one of alternative lightweight alloys is compacted graphite iron (CGI). Nowadays it is accepted that, CGI can effectively reduce the total weight of an automobile by virtue of its high strength- …
Role Of Composites For Gradual Improvement Of Aircraft Structure, Ajit Behera
Role Of Composites For Gradual Improvement Of Aircraft Structure, Ajit Behera
Ajit Behera
No abstract provided.
Plasma Surface Engineering: Plasma Spray Coatings, Ajit Behera
Plasma Surface Engineering: Plasma Spray Coatings, Ajit Behera
Ajit Behera
No abstract provided.
Non-Conventional Machining, Ajit Behera
Flow Characteristics Of Blast Furnace Slag, Ajit Behera
Flow Characteristics Of Blast Furnace Slag, Ajit Behera
Ajit Behera
No abstract provided.
Processing And Characterization Of Plasma Spray Coating By Using Industrial Waste And Low-Grade Ore, Ajit Behera
Processing And Characterization Of Plasma Spray Coating By Using Industrial Waste And Low-Grade Ore, Ajit Behera
Ajit Behera
No abstract provided.
Flow Characteristics Of Blast Furnace Slag: Practical Aspects Of Synthetic Slag, Ajit Behera
Flow Characteristics Of Blast Furnace Slag: Practical Aspects Of Synthetic Slag, Ajit Behera
Ajit Behera
No abstract provided.
Plasma Spray Of Fly-Ash+Quartz+Illmenite: Spraying On Metal Substrates, Ajit Behera
Plasma Spray Of Fly-Ash+Quartz+Illmenite: Spraying On Metal Substrates, Ajit Behera
Ajit Behera
No abstract provided.
Capturing Ultrasmall Emt Zeolite From Template-Free Systems, Eng-Poh Ng Dr.
Capturing Ultrasmall Emt Zeolite From Template-Free Systems, Eng-Poh Ng Dr.
Eng-Poh Ng
No abstract provided.
Porosity Reduction Model In Titanium– Hydroxyapatite Fgm Composites Using Shrinkage Measurement, Ahmed A. Madfa
Porosity Reduction Model In Titanium– Hydroxyapatite Fgm Composites Using Shrinkage Measurement, Ahmed A. Madfa
Ahmed A. Madfa
A multilayered titanium (Ti)–hydroxyapatite (HA) functionally graded material was produced via pressureless sintering at 1100uC. The initial and final porosities were determined via shrinkage measurements. The final porosity verification was carried out by the Archimedes method. The experimental porosity measurements were compared with two proposed models. The macroscopic and microstructure features and the measured porosities confirmed that the volume fraction porosity was associated with both matrix and reinforcing particles in all cases. The percolation threshold was observed at x50?75 in the xTiz(12x)HA mixture.
Cryogenic Technique For Processing Steel Treatment, Ajit Behera
Cryogenic Technique For Processing Steel Treatment, Ajit Behera
Ajit Behera
Cryogenics or deep freezing have been around for quite some time. There is documented research from as far back as the 1930’s where German companies used it on components of jumbo aircraft engines. Cryogenic processing had its US origins in the 1940s. Cold treatments or sub zero treatments are done to make sure there is no retained austenite during quenching. Cryogenics is a relatively new process and to eliminate retained austenite, the temperature has to be lowered, but one that using correct procedures can bring substantial economic benefits. In cryogenic treatment the material is to be deep freeze temperatures of …
Demand On Magic Metal, Ajit Behera
Preparation And Characterisation Of Graft Biopolymer To Improve Sustained Release Property, Ajit Behera
Preparation And Characterisation Of Graft Biopolymer To Improve Sustained Release Property, Ajit Behera
Ajit Behera
In the present piece of research work focuses on grafting Acrylic acid with HPMC to obtain copolymers with improved properties, biodegradable and biocompatible that will be used as hydrogel or water absorbing polymers. To develop a prolong release activity drug delivery system for the medication purpose to enhance drug activity and reduce the frequency of dose via this hydrogel. A novel HPMC-g- acrylic acid hydrogel was prepared by in-situ emulsifier free emulsion polymerization using benzyl peroxide as an initiator through 1-stage grafting. Acrylic Acid could intercalate into layers of HPMC and form graft composites through in situ graftpolymerization with acrylic …
The Natural Composite: Spheroidal Graphite Iron, Ajit Behera
The Natural Composite: Spheroidal Graphite Iron, Ajit Behera
Ajit Behera
The conventional materials are nowadays not sufficient to cater to the variety of uses and exposure to various environments that may take place while they are put into use. Hence this leads to the development of composites, which nearly suffice the above two conditions. Composite material is a material composed of two or more distinct phases (matrix phase and reinforcing phase) and having bulk properties significantly different from those of any of the constituents. In this developing age for iron industry there is large demand for spherodial Graphite iron (S.G. Iron). S.G. Iron also known as a composite in which …