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Tilting Mechanism For A Four Wheeler, Dr V Balambica, Er Vishwa Deepak
Tilting Mechanism For A Four Wheeler, Dr V Balambica, Er Vishwa Deepak
Innovative Research Publications IRP India
Here in this paper a tilting mechanism is carried out for a normal fuel run track car to give it the flexibility of a motor cycle. This feature enables the car to tilt in to the curve while negotiating it. Our analysis shows that to increase the maximum curve at speed by more than 50%. The method we have used is a simple mechanical tilting system controlled by a simple DC stepper motor which is controlled electronically. This tilting mechanism if successful should dramatically increase the maximum speed in curves. This should also provide the advantages of increased passenger comfort …
Application Of Design Failure Modes And Effect Analysis (Dfmea) To Vertical Roller Mill Gearbox, Gaurav J. Pawar 1 ,, Soumendu J. Mukhopadhyay 2
Application Of Design Failure Modes And Effect Analysis (Dfmea) To Vertical Roller Mill Gearbox, Gaurav J. Pawar 1 ,, Soumendu J. Mukhopadhyay 2
Innovative Research Publications IRP India
Design FMEA is structured method of identifying potential failure modes and providing corrective actions before first production run occurs. This paper aims to provide probable causes of failure, levels of effects of failure and corrective actions to be taken in the design phase for BevelPlanetary Vertical Roller Mill Gearbox.
Process Parameters And Foaming Agents Used In Manufacturing Of Aluminium Metallic Foams: A Review, Sri Ram Vikas K.,, N. Raghu Ram,, Ch. Kishore Reddy,, V.V. Sridhara Raju
Process Parameters And Foaming Agents Used In Manufacturing Of Aluminium Metallic Foams: A Review, Sri Ram Vikas K.,, N. Raghu Ram,, Ch. Kishore Reddy,, V.V. Sridhara Raju
Innovative Research Publications IRP India
Porous metals and metallic foams are composite materials in which one phase is gaseous and another phase is solid metal. The mechanical behavior of these materials depends mainly on the mechanical properties of the solid metallic phase, the structural configuration of the solid and the density of the composite ρc, relative to the density of the solid phase ρs. The primary distinction between a porous metal and metallic foam is the relative density, metal gas composites with a relative density (ρc/ρs) above 0.3 are generally considered porous materials, while those with a relative density below 0.3 are generally considered to …
Experimentally Study The Effects Of Fins Height And Width H\W Ratio To The Fin Thermal Performance By Natural Convections, Hazim A.M. Al-Jewaree, Osama A.M. Alhamil
Experimentally Study The Effects Of Fins Height And Width H\W Ratio To The Fin Thermal Performance By Natural Convections, Hazim A.M. Al-Jewaree, Osama A.M. Alhamil
Innovative Research Publications IRP India
The industry revolution in thermal engineering started with fixed the extended surface area named a fin. Therefore, a lot off research work done in this field to enhance the performance of heat transfer . All, previous work reach to that any increase of heat transfer coefficient and the fin surface area will increase the heat transfer rate by natural convection. The research work summarized in this paper presents an experimental investigation on the effect of fin heights –width (H/w) ratios on the fin performance using rectangular plate type fins. The steady-state natural convection heat transfer from vertical rectangular fins extending …
Review On The Suitability Of Conceptual Performance Measurement Systems For Lean Manufacturing, Dilanthi M. G.S
Review On The Suitability Of Conceptual Performance Measurement Systems For Lean Manufacturing, Dilanthi M. G.S
Innovative Research Publications IRP India
Lean manufacturing is implemented to improve any organizational performance so that its performance should be measured to assure the organizational goal attainment. But the past studies have not yet suggested any specific performance measurement system for lean manufacturing. Therefore this paper reviews the conceptual performance measurement systems and their suitability to measure the lean performance and hence argues that a new performance measurement framework should be developed.
Strengthening Of Rc Beam And Column Joint By Using Cfrp & Gfrp, M .A Nawale, A. J. , Mehetre, . S. B. Kandekar
Strengthening Of Rc Beam And Column Joint By Using Cfrp & Gfrp, M .A Nawale, A. J. , Mehetre, . S. B. Kandekar
Innovative Research Publications IRP India
This paper will give the information about strengthening of different parameter by using CFRP & GFRP. Strengthening of existing structures has become a major part of construction activity in our country. Many civil structures are no longer safe due to increased load specifications in the design codes. The beam column joint is the crucial zone in a reinforced concrete moment resisting frame. It is subjected to large forces during severe ground shaking and its behaviour has a significant influence on the response of the structure. The assumption of joint being rigid fails to consider the effects of high shear forces …
Investigation About The Characterization Of Machine Tool Spindle Stiffness For Intelligent Cnc End Milling
Faculty of Engineering University of Malaya
This paper describes how to investigate the characterization of the machine tool spindle stiffness in radial direction for precise monitoring of cutting forces in end milling process by using displacement sensors. Four sensitive eddy-current displacement sensors are installed on the spindle housing of a machining center so that they can detect the radial motion of the rotating spindle. Thermocouples are also attached to the spindle structure, and the stability of the displacement sensing is examined. The change in spindle stiffness due to the spindle temperature and the speed is investigated. Finally, monitoring results of small and medium scale cutting forces …
Rail Squats: Understand Its Causes, Severity, And Non-Destructive Evaluation Techniques, Sakdirat Kaewunruen, Makoto Ishida
Rail Squats: Understand Its Causes, Severity, And Non-Destructive Evaluation Techniques, Sakdirat Kaewunruen, Makoto Ishida
Sakdirat Kaewunruen
Generally, rail squats are defined by the growth of any cracks that have grown longitudinally through the rail subsurface and some of the cracks propagating to the bottom of rails transversely have branched from initial longitudinal cracks with a depression of rail surface. The rail defects are commonly referred to as ‘squats’ when they were initiated from damage caused by rolling contact fatigue, and as ‘studs’ when they were associated with white etching layer caused by the transform from pearlitic steel due to friction heat generated by wheel sliding or excessive traction. Such rail surface defect induces wheel/rail impact and …
Severity And Growth Evaluation Of Rail Corrugations On Sharp Curves Using Wheel/Rail Interaction, Sakdirat Kaewunruen, Steve Marich
Severity And Growth Evaluation Of Rail Corrugations On Sharp Curves Using Wheel/Rail Interaction, Sakdirat Kaewunruen, Steve Marich
Sakdirat Kaewunruen
A railway network generally spans over a large distance so the structural health monitoring of such a rail infrastructure system is one of the critical challenges in rail industry practice. Especially in an underground/subway or elevated system, the facilities, resources and time period permitted for critical infrastructure inspection and maintenance is considerably limited. As a result, the automated inspection system of railway is in very high demand. Rail corrugation defect is the periodic, undulated or wave-like vertical alignment of rail surface. The wavelength and severity of rail corrugations is dependant to track structure, track geometry, traction system, rail vehicle behaviours, …
Responses Of Ka’Oje Metallurgical Manganese Ore To Gravity Concentration Techniques, R. A. Muriana
Responses Of Ka’Oje Metallurgical Manganese Ore To Gravity Concentration Techniques, R. A. Muriana
Innovative Research Publications IRP India
Metallurgical manganese ore samples from Ka’oje (Nigeria) were enriched to higher Metallurgical grades during wet gravity separation techniques which included Jigging and Tabling operations. As-mined samples S1 (36.83%MnO), S2 (47.85%MnO), S3 (58.85%MnO) and S4 (54.96%MnO) were dressed and screened to -780+500 μm, -500+355μm, -355+250 μm, -250+192 μm and -192 μm particle size ranges. Obtained Jigging test concentrates assayed 51.54% MnO minimum recovery level with an enrichment ratio (ER) of 1.02; while Tabling operation concentrates assayed 91.11% MnO maximum recovery and 1.14 ER value. These responses demonstrated the suitability of the two techniques in raising the enrichment levels of the ores …
Design & Analysis Of Ø40” X 80” Conventional Sugar Mill Head Stock., Santosh Y. Salunkhe
Design & Analysis Of Ø40” X 80” Conventional Sugar Mill Head Stock., Santosh Y. Salunkhe
Innovative Research Publications IRP India
Sugar mill head stock play a significant role in the sugar plant as they have to sustain the forces experienced by the rollers while extracting juice from the cane. The present analysis related to modification in sugar mill head stock Ø40”X80”. This paper describes the advantages of using Ø40”X80” mill head stocks by designing & analysis by ANSYS software. In this study theoretical study has been done considering the Bending moment & force polygon diagrams. Bending moment factor which helps in finding actual results. By changing various parameters the performance of mill head stocks is studies using static structural analysis …
Sample Size Effect On Combustion Analysis, Osueke C. O, Uguru Okorie Daniel, Aondoyila Kuhe
Sample Size Effect On Combustion Analysis, Osueke C. O, Uguru Okorie Daniel, Aondoyila Kuhe
Innovative Research Publications IRP India
Engine parameters vary from one cycle to the other and this makes engine analysis with data from a single working cycle insufficient in capturing or modelling an engine behaviour. The variation observed in engine has necessitated the use sample sizes of data obtained during an engine operation to obtain results that are representative of the engine being investigated. Research has shown that the use of very large data sample size increases the storage needed and processing time and does not necessary give better results over results obtained with lesser sample sizes. The number of sample size to use for analysis …
Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri
Effects Of Heat-Treatments On Tensile Strength And Electrical Conductivity Of Locally Formulated Al-Ni Alloys, R. A. Muriana, O. K. Abubakre, S. B. Tajiri
Innovative Research Publications IRP India
This Paper investigated effects of annealing and age hardening on the ultimate tensile strength (UTS) and electrical conductivity of aluminium-nickel cast using sand mould. Pure aluminium melt was alloyed with nickel, which was added in 2% to 10% step 2. Annealing and age hardenings were carried out and obtained results showed that Al-2%Ni alloy has the highest UTS of 604.44MPa. On the other hand, Al-6%Ni Annealed alloy has the highest electrical conductivity, with a value of 6.15 × 107 S/m. The Al-4%Ni alloy combined both high strength and conductivity, having UTS of 603.28MPa and electrical conductivity of 5.69 × 107 …
Electromagnetic Interference Shielding Of Mwcnt/ Mu-Metal/Polyvinylidene Fluoride Nanocomposite, C. Sarala Rubi, S. Gowthaman, N. G. Renganathan
Electromagnetic Interference Shielding Of Mwcnt/ Mu-Metal/Polyvinylidene Fluoride Nanocomposite, C. Sarala Rubi, S. Gowthaman, N. G. Renganathan
Innovative Research Publications IRP India
Electromagnetic Interference (EMI) Shielding material containing a blend of multi walled carbon nano tube (MWCNT) and mumetal has been prepared and their electromagnetic shielding capabilities were characterised through XRD, SEM, EDAX, etc. The shielding effectiveness (SE) was measured using vector network analyser in X-band frequency range (8-12 GHz).
Induction Hardening And Microstructure Analysis Of Micro-Alloyed Steel Roller Shaft Of An Undercarriage, S. Gajanana, B. Suresh Kumar Reddy, T. Shivendra Lohit, K. Anil Kumar Reddy, Ankur Jain
Induction Hardening And Microstructure Analysis Of Micro-Alloyed Steel Roller Shaft Of An Undercarriage, S. Gajanana, B. Suresh Kumar Reddy, T. Shivendra Lohit, K. Anil Kumar Reddy, Ankur Jain
Innovative Research Publications IRP India
The current work focuses on study of input parameters of induction hardening process of micro-alloyed steel roller shaft of an Undercarriage. Regression relation is generated for hardness using Response Surface Methodology (RSM) by using Design Expert Software as a tool for optimization. Further, the micro structure of selected shafts was analyzed.
Comparative Study Of The Energy Absorption Capacities Of Xps And Xpe Foam Filled Aluminium Square Tubes Under Quasi-Static Axial Compression, Suman Bargav. R, Venkataswamy. K. S, Suresh P. M
Comparative Study Of The Energy Absorption Capacities Of Xps And Xpe Foam Filled Aluminium Square Tubes Under Quasi-Static Axial Compression, Suman Bargav. R, Venkataswamy. K. S, Suresh P. M
Innovative Research Publications IRP India
Quasi-static compression tests were performed on empty and foam filled Aluminium square tubes. Two different foam types: Extended Polystyrene (XPS) and Extended Polyethylene (XPE) were used to fill the empty tubes. In this paper experimental and numerical simulations were performed to investigate the effect of foam filling on crashworthiness parameters.
Production & Process Optimization Of Micro Alloyed Steel Roller Shaft Of An Under Carriage, S. Gajanana, Kulkarni Rahul, Shreyas Gampa, Tharun Vempati, Jv Srinath
Production & Process Optimization Of Micro Alloyed Steel Roller Shaft Of An Under Carriage, S. Gajanana, Kulkarni Rahul, Shreyas Gampa, Tharun Vempati, Jv Srinath
Innovative Research Publications IRP India
Manufacturing or production is one of the most important sectors of any field. It involves various steps or processes to convert raw materials into finished products. With the more precise demands of modern engineering products and competition to provide good quality, the surface finish, dimensional accuracy along with metal removal rate (MRR) plays a very important role. The selection of optimum cutting conditions (depth of cut, feed and speed) is an important element of process planning for every machining operation. In order to optimize the output parameters i.e., MRR, power consumption and surface roughness, the process variables are varied. Inspite …
Design Of Holes And Web Openings In Railway Prestressed Concrete Sleepers, Erosha Kahawatta Gamage, Sakdirat Kaewunruen, Alex M. Remennikov
Design Of Holes And Web Openings In Railway Prestressed Concrete Sleepers, Erosha Kahawatta Gamage, Sakdirat Kaewunruen, Alex M. Remennikov
Sakdirat Kaewunruen
As the crosstie beam in railway track systems, the prestressed concrete sleepers (or railroad ties) are principally designed in order to carry wheel loads from the rails to the ground. Their design takes into account static and dynamic loading conditions. It is evident that prestressed concrete has played a significant role as to maintain the high endurance of the sleepers under low to moderate repeated impact loads. In spite of the most common use of the prestressed concrete sleepers in railway tracks, there have always been many demands from rail engineers to improve serviceability and functionality of concrete sleepers. For …
Enhancement Of Performance Parameters Of Transformer Using Nanofluids, Innovative Research Publications Irp India, Raja Sekhar Dondapati, Vishnu Saini, Niraj Kishore, Vicky V
Enhancement Of Performance Parameters Of Transformer Using Nanofluids, Innovative Research Publications Irp India, Raja Sekhar Dondapati, Vishnu Saini, Niraj Kishore, Vicky V
Innovative Research Publications IRP India
Transformer is a soul of both transmission and distribution systems. It performs low voltage to high voltage conversion in transmission lines and similarly high voltage to low voltage conversion in distribution lines. The operation of transformer is decided by the cooling provided to the system. The efficient cooling method is achieved by the use of forced (or) natural oil cooling medium. The oils used for the purpose of coolants are the hydrocarbons of paraffin (or) naphtha based petroleum products. The oil is used as coolant is made from highly refined mineral oil and it has high dielectric strength. During the …
Permeability Test Measurement Of Composite Material For Reusable Launching Vehicles (Rlv), Innovative Research Publications Irp India, Charanjit Singh, Karthik Sunil, Prudhvinath Reddy, Idris Syed Mahaboob, Dondapati, Raja Sekhar
Permeability Test Measurement Of Composite Material For Reusable Launching Vehicles (Rlv), Innovative Research Publications Irp India, Charanjit Singh, Karthik Sunil, Prudhvinath Reddy, Idris Syed Mahaboob, Dondapati, Raja Sekhar
Innovative Research Publications IRP India
Polymer composites are replacing metals over the time due to their light weight, high strength to weight ratio, excellent physical and thermal properties. Hence, they are ideal candidates where weight is of particular concern. One such application is reusable launch vehicles (RLV). Use of polymer Composite materials instead of conventional metal alloys for fuel tank reduces weight of launching vehicle so that more payloads can be carried into space, thereby reducing cost per kilogram of payload. Polymer composites at room temperature show familiar properties but when they are exposed to low temperature, properties change rapidly and show abnormal behavior. Material …
Design And Optimization Of Suav Empennage, Innovative Research Publications Irp India, Rajesh A, Harish G, M.S. Ganesha Prasad
Design And Optimization Of Suav Empennage, Innovative Research Publications Irp India, Rajesh A, Harish G, M.S. Ganesha Prasad
Innovative Research Publications IRP India
Now a days the use of unmanned aerial vehicle (UAV) is getting common, as its size varies from small to large, which has good parameters like, light weight and good stability and can be used for surveillance, agriculture, and in defense as it can be controlled from ground or from other aircraft. In an UAV wing is blended with fuselage which gives lift to the UAV and the tail is also used for take-off and landing which is also gives higher stability to aircraft. It is important to design an empennage structure at lower drag and for good stability characteristics. …
Determination Of Some Physical Properties Of Jatropha (Jatropha Curcas) Oil, Innovative Research Publications Irp India, Odesanya, K.O, Olasheu, T.I, Adebiyi, K.A, Durowoju, M.O,
Determination Of Some Physical Properties Of Jatropha (Jatropha Curcas) Oil, Innovative Research Publications Irp India, Odesanya, K.O, Olasheu, T.I, Adebiyi, K.A, Durowoju, M.O,
Innovative Research Publications IRP India
The energy crisis and shortage of fuel emanating from total dependence on mineral oil with resultant socioeconomic problems demand the need to explore the use of renewable energy as alternative. This study evaluates the physical properties Jatropha (Jatropha curcas) oil as alternative base oil for lubricant in auto engines. A quantity of 32 kg dried base decorticated seeds of Jatropha was locally obtained. Volume of 4 litres of Jatropha oil was extracted from the seeds using existing hydraulic press machine, while its physical properties was determined through laboratory analytical procedure of American Society for Testing and Materials analytical standard 960-52 …
Significantly Improved Photocurrent Response Of Zns-Reduced Graphene Oxide Composites
Significantly Improved Photocurrent Response Of Zns-Reduced Graphene Oxide Composites
Faculty of Engineering University of Malaya
ZnS-nanoparticles (NPs) reduced graphene oxide (rGO) composites with a high degree of crystallinity and high dispersity were successfully synthesized via a facile solvothermal method in the gelatin medium, during which the formation of ZnS NPs, reduction of graphene oxide and loading of ZnS NPs into the rGO surface occur simultaneously. Gelatin, as a natural capping agent, plays a significant role in controlling the degree of dispersion and coverage of ZnS NPs. The effect of rGO on the crystalline structure and optical properties of ZnS NPs were determined via X-ray diffraction, UV-visible diffused reflectance spectroscopy and photoluminescence spectroscopy. The ZnS-rGO composites …
Mechanical Properties Of Intermetallic Compounds In Electrodeposited Multilayered Thin Film At Small Scale By Nanoindentation
Faculty of Engineering University of Malaya
Mechanical properties of intermetallic compounds (IMCs) which were formed in electrodeposited Cu/Sn and Cu/Ni/Sn multilayered thin film have been investigated. The layers of Cu, Sn and Ni were formed by electrodeposition technique using copper pyrophosphate, tin methanesulfonic and nickel Watts baths, respectively. After synthesis, samples were subjected to high temperature aging at 150 degrees C for 168 h. Two different types of intermetallics Cu3Sn and Cu6Sn5 were formed in Cu/Sn. After adding ultra-thin layer of Ni (70 nm) in between Cu and Sn layers, (Cu, Ni)(6)Sn-5 was formed after aging at similar condition to that of Cu/Sn. Tin whisker growth …
Evaluating The Optical Properties Of Tio2 Nanofluid For A Direct Absorption Solar Collector
Evaluating The Optical Properties Of Tio2 Nanofluid For A Direct Absorption Solar Collector
Faculty of Engineering University of Malaya
Recent studies specify that designated nanofluids may increase the proficiency of direct absorption solar thermal collectors. To determine the efficiency of nanofluids in solar applications, their capability to change light energy to thermal energy must be identified (i.e., the absorption spectrum of the solar material). In view of that, this study compares model predictions to spectroscopic measurements of extinction coefficients over wavelengths that are important for solar energy (200- 1100nm). In the first decade of nanofluid research, most of the focus was on measuring and modeling the fundamental thermophysical properties of nanofluids (i.e., thermal conductivity, density, viscosity, and convection coefficients). …
Experimental And Numerical Investigation Of Heat Transfer In Cnt Nanofluids
Experimental And Numerical Investigation Of Heat Transfer In Cnt Nanofluids
Faculty of Engineering University of Malaya
Nanofluids with their enhanced thermal conductivity are believed to be a promising coolant in heat transfer applications. In this study, carbon nanotube (CNT) nanofluids of 0.01wt%, stabilised by 1.0wt% gum arabic were used as a cooling liquid in a concentric tube laminar flow heat exchanger. The flow rate of cold fluid varied from 10 to 50g/s. Both experimental and numerical simulations were carried out to determine the heat transfer enhancement using CNT nanofluids. Computational fluid dynamics (CFD) simulations were carried out using Fluent v 6.3 by assuming single-phase approximation. Thermal conductivity, density and rheology of the nanofluid were also measured …
Investigating Cavitation Peening Parameters For Fatigue Performance Using Designed Experiment, Mohammadsadegh Mobin, Afshan Roshani, Mahmood Mobin, Ali Rastegari
Investigating Cavitation Peening Parameters For Fatigue Performance Using Designed Experiment, Mohammadsadegh Mobin, Afshan Roshani, Mahmood Mobin, Ali Rastegari
Mohammadsadegh Mobin
Mechanical surface enhancement techniques such as cavitation peening (CP) have various design parameters which can affect the fatigue performance of the part. In this study, a full factorial design of experiment is applied to investigate the effects of cavitation peening process parameters on the fatigue performance of carburized steel. These parameters include standoff distance, cavitation number, nozzle size, and exposure time. The response variables considered in this experiment include residual stress, surface roughness and austenitic ratio. Results obtained from full factorial design of experiment method were compared with the results from literature which applied Taguchi method. The comparison revealed that …
The Mechanical Properties Of Ukam Fibre-Reinforced Cashew Nut Shell Resin Composite, Innovative Research Publications Irp India, Ibe Godwin Anwara, Dumpe Koba Barinem
The Mechanical Properties Of Ukam Fibre-Reinforced Cashew Nut Shell Resin Composite, Innovative Research Publications Irp India, Ibe Godwin Anwara, Dumpe Koba Barinem
Innovative Research Publications IRP India
The mechanical properties of ukam fibre cashew nut shell resin composite were studied for possible structural application in engineering. Basically, the hand lay-up method was employed to manufacture the test samples of the composite by 40:60 weight ratio and testing the samples’ mechanical properties using the instron tensile machine and the izod impact machine respectively. Consequently, the experiments demonstrated that the ukam fibre reinforced cashew nut shell resin composite has a maximum tensile strength of 40.5MPa, the impact energy of 1.93J and a young tensile modulus of 1GPa. The above results indicate that ukam fibre- reinforced cashew nut shell resin …
Joints Properties Of One Side Welded Of Ship Materials With Variation Of Angle Groove, Innovative Research Publications Irp India, Yustiasih Purwaningrum, Triyono No, Tri Syarifuddin, Isharyadi Di
Joints Properties Of One Side Welded Of Ship Materials With Variation Of Angle Groove, Innovative Research Publications Irp India, Yustiasih Purwaningrum, Triyono No, Tri Syarifuddin, Isharyadi Di
Innovative Research Publications IRP India
Indonesian National Transportation Safety Commission based on data from the period 2003-2008 and The Study for the Maritime Traffic Safety System Development Plan states that 21% of the cause of the accident was the failure of Indonesian ship in the structure of the ship (hull structure). This study aimed to investigate the effect of variations in the angle groove of one side welding. Material used is low carbon steel LR grade A in a thickness 12 mm were welded using GMAW (Gas Metal Arc Welding) with a angle groove 20°, 40° and 60°. The physical properties examined with an optical …
Development Of Composite Material Testing Facility For Cryogenic Fuel Tank Applications, Innovative Research Publications Irp India, Sandeep Singh, Karthik Sunil, Prudhvinath Reddy, Idris Syed Mahaboob, Raja Sekhar Dondapati
Development Of Composite Material Testing Facility For Cryogenic Fuel Tank Applications, Innovative Research Publications Irp India, Sandeep Singh, Karthik Sunil, Prudhvinath Reddy, Idris Syed Mahaboob, Raja Sekhar Dondapati
Innovative Research Publications IRP India
Composite materials are being used extensively in different realms of science for various applications. There use is prominent in the aerospace industry. The testing of these composite materials is of substantial importance, as they might be susceptible to failure due to the variation in the temperature ranges and the cryogenic temperatures which the materials have to endure. In the present work, the tensile strength of composite materials are observed using double walled vacuum chamber which is designed for the Universal Testing Machine (UTM)