Volume 10, Issue 2
مرور بر اساس
ارسال های اخیر
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Process Parameters Optimization in Gas Blow Forming of Pin-type Metal Bipolar Plates using Taguchi and Finite Element Methods
(Islamic Azad University Majlesi Branch, 2017-06-01)Metal bipolar plates are the most important parts of the fuel cells and recently these plates are used instead of graphite ones.In the present study, gas blow forming of a pin-type aluminum 5083 bipolar plate has been ...
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Fracture Toughness of HVOF Thermally Sprayed WC-12Co Coating in Optimized Particle Temperature
(Islamic Azad University Majlesi Branch, 2017-06-01)In this paper the fracture toughness of WC-12Co coatings in optimum particle temperature in high velocity oxy fuel (HVOF) process have been studied by means of Vickers indentation. Multiple linear regression model applying ...
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Characterization of Stress Concentration in Thin Cylindrical Shells with Rectangular Cutout Under Axial Pressure
(Islamic Azad University Majlesi Branch, 2017-06-01)In this paper, stress concentration in the thin cylindrical shell with rectangular cutout subjected to uniform axial pressure was investigated using a parametric finite element model. Design of experiments techniques and ...
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Numerical Analysis of Circular Pre-notched U-Channel Section Distortions in Cold Roll-Forming Process
(Islamic Azad University Majlesi Branch, 2017-06-01)Cold roll forming is a process in which a metal sheet gets a desired section form by passing through a series of rotating rollers. Predicting the amount of the distortion in pre-notched cold formed sections still remains ...
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Effect of Processing Parameters on Properties of Friction Stir Welded Joints of Aluminium Alloys AA7075- T651 and AA6061-T6
(Islamic Azad University Majlesi Branch, 2017-06-01)In the present investigation the mechanical behaviour of AA7075T651 and AA6061T6 aluminium alloys plates joined by friction stir welding (FSW) were evaluated. The effects of weld process parameter like tool rotation speed ...
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Experimental and Numerical Investigation of the Arms Displacement in a New Electrothermal MEMS Actuator
(Islamic Azad University Majlesi Branch, 2017-06-01)Microgrippers can be effectively applied for handling, positioning and assembling of the micro components. In the present study, a new design of a U-shape electrothermal microgripper was fabricated and developed with the ...
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Experimental Investigation of Effective Parameters on a New Incremental Tube Bulging Method Using Rotary Tool
(Islamic Azad University Majlesi Branch, 2017-06-01)Nowadays, dieless and flexible sheet forming methods are gaining much interest in prototyping and low production. In this research, a new method is developed to change the cross-sectional area of metal tubes in a longitudinal ...
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Bone Surface Model Development Based on Point Clouds Extracted From CT Scan Images
(Islamic Azad University Majlesi Branch, 2017-06-01)In the present study a procedure is proposed for the development of bone surface models by using point clouds that can be extracted from CT scan images. Since the images are as multiple two dimensional sections, three ...
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Flow Study of Wood Plastic Composite Through a Circular Die in an Extrusion Process
(Islamic Azad University Majlesi Branch, 2017-06-01)This paper presents a theoretical study on wood plastic composite's (WPC's) flow, based on empirical data provided by a twin screw extruder and experimental data from a rotational rheometer. Four circular extrusion dies ...
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Attitude Control of Unmanned Aerial Vehicle Based on Sliding Mode Technique with Parameter Estimation
(Islamic Azad University Majlesi Branch, 2017-06-01)An adaptive robust controller for nonlinear and coupling dynamic of aerial vehicle has been presented. In this paper an adaptive sliding mode controller (ASMC) is integrated to design the attitude control for the inner ...
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Expert System Approach for Manufacturability Evaluation of Nd: YAG Laser Beam Machining Process
(Islamic Azad University Majlesi Branch, 2017-06-01)In this paper, an expert system (ES) is developed for manufacturability evaluation of ND:YAG laser in computer based concurrent engineering. The expert system evaluates machining cycle time and cost in less than 30 seconds. ...
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Investigation of Stresses in U-Shaped Metal Bellow Using EJMA Standards
(Islamic Azad University Majlesi Branch, 2017-06-01)Metal Bellows finds wide application in expansion joints, which are used in aerospace, chemical plants, power system, heat exchangers, automotive vehicle parts, piping system, petrochemical plant, refineries, etc. During ...
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Behavior Analysis of Cold Expanded-Bolt Clamped AL2024-T3 Plate
(Islamic Azad University Majlesi Branch, 2017-06-01)For making rivet and bolt connections, making a hole is necessary. While basic S-N graph can be extracted from design documents, analysis of stress can be used for two different approaches. The first approach is the ...



