Volume 15 (2022)
Volume 14 (2021)
Volume 13 (2020)
Volume 12 (2019)
Volume 11 (2018)
Volume 9 (2016)
Volume 8 (2015)
Volume 7 (2014)
Volume 6 (2013)
Volume 5 (2011-2012)
Volume 4 (2010-2011)
Volume 3 (2009-2010)
Volume 2 (2008-2009)
Volume 1 (2007-2008)
1. Behavior Analysis of Cold Expanded-Bolt Clamped AL2024-T3 Plate

M. Sayah Badkhor; A. R. Naddaf Oskouei*; H. Mohammadi Hooyeh; F. Shirbakht

Volume 10, Issue 2 , June 2017, Pages 1-13

  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 theoretical derivation of analytical relations with simplified assumptions like planar ...  Read More

2. Expert System Approach for Manufacturability Evaluation of Nd: YAG Laser Beam Machining Process

M. Sadegh Amalnik*

Volume 10, Issue 2 , June 2017, Pages 15-24

  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. Experimental verification and validity of the expert system is carried out. The ...  Read More

3. Investigation of Stresses in U-Shaped Metal Bellow Using EJMA Standards

Kondapalli Siva Prasad; Gudla Pavani

Volume 10, Issue 2 , June 2017, Pages 25-35

  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 service they are subjected to various stresses and exposed to different environments, ...  Read More

4. Flow Study of Wood Plastic Composite Through a Circular Die in an Extrusion Process

N. Jafarian Jam; E. Soury

Volume 10, Issue 2 , June 2017, Pages 37-47

  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 were designed and manufactured to produce rod shaped products with various diameters ...  Read More

5. Attitude Control of Unmanned Aerial Vehicle Based on Sliding Mode Technique with Parameter Estimation

A. A. Akbari*; S. Amini

Volume 10, Issue 2 , June 2017, Pages 49-60

  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 loops of nonlinear coupling dynamic of Unmanned Aerial Vehicle (UAV) in the presence ...  Read More

6. Bone Surface Model Development Based on Point Clouds Extracted From CT Scan Images

I. Asheghi Bonabi; S. J. Hemmati

Volume 10, Issue 2 , June 2017, Pages 61-70

  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 methods of surface fitting are considered: ruled, skinning and global approximation ...  Read More

7. Experimental and Numerical Investigation of the Arms Displacement in a New Electrothermal MEMS Actuator

M. Kolahdoozan; A. Rouhani Esfahani; M. Hassani

Volume 10, Issue 2 , June 2017, Pages 71-81

  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 voltages correspond between 1 to 10 volts. The microgripper was made of silicone ...  Read More

8. Experimental Investigation of Effective Parameters on a New Incremental Tube Bulging Method Using Rotary Tool

S. M. H. Seyedkashi; S. J. Hashemi Ghiri; F. Rahmani

Volume 10, Issue 2 , June 2017, Pages 83-91

  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 direction without using special dies. This technique is based on the force ...  Read More

9. Effect of Processing Parameters on Properties of Friction Stir Welded Joints of Aluminium Alloys AA7075- T651 and AA6061-T6

H. S. Patil; Neelsai Sharma Kairav Patel; Abhishek Patel Viral Patel; Chetan Patil

Volume 10, Issue 2 , June 2017, Pages 93-99

   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 650-1000 rpm and weld speed 30-40mm/min with square trapezoidal pin ...  Read More

10. Process Parameters Optimization in Gas Blow Forming of Pin-type Metal Bipolar Plates using Taguchi and Finite Element Methods

M. Moradian; A. Doniavi; V. Modanloo; V. Alimirzaloo

Volume 10, Issue 2 , June 2017, Pages 101-108

  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 studied. After the simulation of the process, the FE model has been validated using ...  Read More

11. Fracture Toughness of HVOF Thermally Sprayed WC-12Co Coating in Optimized Particle Temperature

M. Jalali Azizpour; M. Salehi

Volume 10, Issue 2 , June 2017, Pages 109-120

  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 Minitab, were used to determine the relationship and interaction between HVOF ...  Read More

12. Numerical Analysis of Circular Pre-notched U-Channel Section Distortions in Cold Roll-Forming Process

S. Sattar; S. Mazdak; E. Sharifi

Volume 10, Issue 2 , June 2017, Pages 121-131

  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 challenging in cold roll forming industry, depending on the shape and position of ...  Read More

13. Characterization of Stress Concentration in Thin Cylindrical Shells with Rectangular Cutout Under Axial Pressure

O. Sam Daliri; M. Farahani

Volume 10, Issue 2 , June 2017, Pages 133-141

  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 statistical analysis was used to provide a model for characterizing the critical ...  Read More