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. Evaluation of Parameters Affecting Magnetic Abrasive Finishing (MAF) of Superalloy Inconel 718

Mehrdad Vahdati; SeyedAlireza Rasouli

Volume 10, Issue 3 , September 2017, Pages 1-10

  Superalloys generally are among the materials with poor machinability. The removal of metal contaminations, stains, and oxides can positively affect their performance. Magnetic Abrasive Finishing (MAF) is a method which uses a magnetic field to control the material removal. As another advantage, this ...  Read More

2. Precision Force Measurement and Control in Micro Ultrasonic Machining

Hamid Zarepour Firouzabadi

Volume 10, Issue 3 , September 2017, Pages 11-17

  Micro ultrasonic machining (Micro-USM) is a process with a great capability to generate micro features in hard and brittle materials. Despite some developments in micro-USM process, issues such as precision measurement and control of the machining force, which is crucial for stable machining conditions, ...  Read More

3. Optimization of Tangential Cutting Force in Turning Operation in Machining of Unidirectional Glass Fiber Reinforced Plastics

Surinder Kumar

Volume 10, Issue 3 , September 2017, Pages 19-30

  In this paper, Taguchi method is applied to find optimum process parameters for turning UD-GFRP rods using polycrystalline diamond cutting tool. The process parameters considered include cutting speed, depth of cut, cutting environment (dry and wet) and feed rate. The experiments were conducted by L16 ...  Read More

4. Investigation and Optimization of EDM Milling and its Comparison with Die Sink EDM

Mahmoud Moradi; Reza AbbasiRad; Majid Ghoreishi; Hadi Abdollahi; Majid Rostami

Volume 10, Issue 3 , September 2017, Pages 31-40

  In this study EDM milling process parameters of AISI H13, have been investigated by using Response Surface Methodology (RSM). Current (16-32A), pulse-on time (100-700 µs) and depth of cut (1-3mm) were considered as independent variables, while surface roughness, tool wear ratio (TWR), and material ...  Read More

5. Optimizing Mechanical Properties of POM/Graphene Nanocomposites Prepared by Spray Method

H. Asadollahi-Yazdi; M. Shariati; A. Imam; M. Ghatee

Volume 10, Issue 3 , September 2017, Pages 41-48

  : In this study, a spray approach is applied to produce POM/graphene nanocomposite using a hot press mold and an automatic spray. The layer-by-layer spray method is used to fabricate these composites with different Wt. % of graphene particles, spray pressure, nozzle-to-mold distance at different temperatures. ...  Read More

6. Geometrical Parameters of Rectangular AFM Cantilevers Producing Highest Sensitivity in Excitation of Second Mode in Air Environment

Mehrnoosh Damircheli

Volume 10, Issue 3 , September 2017, Pages 49-56

  Today, improving the quality of the images acquired by the atomic force microscope (AFM) and obtaining the close properties of various samples are among the most important and challenging issues tackled by researchers. One of the key mechanisms of achieving these objectives is the excitation of higher ...  Read More

7. A Simple Method for Designing a Duct for a Multi-Component Ducted Propulsion System

N. M. Nouri; Mehrdad Kalantar Neyestanaki; Saber Mohammadi

Volume 10, Issue 3 , September 2017, Pages 57-64

  The present paper numerically discusses the design procedure of marine ducts used for multi-component ducted propulsion systems at the stern of an axisymmetric submerged body. The results are presented in the form of tables showing the effects of dihedral angel as well as camber ratio of the duct as ...  Read More

8. Thermo-Elastic and Time-Dependent Creep Evolution Behaviour of Ferritic Steel Rotating Disks using Theta Projection Concept

H. Daghigh; V. Daghigh

Volume 10, Issue 3 , September 2017, Pages 65-79

  In this article, thermo-elastic and creep evolution behaviour of ferritic steel rotating disks with variable thickness are investigated. Four thickness profiles of uniform, convex, concave and linear are considered for the disk geometry. The material creep constitutive model is defined by the Θ ...  Read More

9. Design of a Dynamically Balanced 2-DOF Planar Parallel Manipulator using Four-bar Legs

Amin Poursafar; Meisam Vahabi

Volume 10, Issue 3 , September 2017, Pages 81-86

  A mechanism is reactionless or dynamically balanced when there is no shaking force and shaking moment applied to the base during mechanism movement. The theory for designing reactionless 2 degree-of-freedom (DOF) planar parallel manipulator is discussed in this paper. The legs of the manipulator are ...  Read More

10. Optimal Balancing of Spatial Suspended Cable Robot in Point-to-Point Motion using Indirect Approach

Mojtaba Riyahi Vezvari; Amin Nikoobin

Volume 10, Issue 3 , September 2017, Pages 87-96

  In this paper, a method based on the indirect solution of optimal control problem is presented to specify the optimal trajectory of spatially suspended cable robot in point to point motion with considering the counterweights. In fact, an optimal trajectory planning problem is outlined in which states, ...  Read More

11. Thermodynamic Analysis of a Modified Two-Stage Trans-Critical CO2 Refrigeration Cycle with Multi Inter-Cooling System

Ahmad Reza Rahmati; Ali Gheibi

Volume 10, Issue 3 , September 2017, Pages 97-104

  Performance of a two-stage multi-inter-cooling trans-critical CO2 refrigeration cycle containing internal heat exchanger, two intercoolers, ejector, and separator, has been analyzed after modification. In the present study, an internal heat exchanger has been included within this cycle for possible improvement ...  Read More

12. Time-Dependent Reliability Analysis of Mechanical Structures using an Analytical Approach

Mohammad Reza Moarefzadeh

Volume 10, Issue 3 , September 2017, Pages 105-113

  Time-dependent reliability analysis of mechanical structures is concerned by the use of an outcrossing approach. In this approach the so-called outcrossing rate plays a critical role and thus it is important to estimate it as straight ward as possible. Despite the availability of a variety of methods ...  Read More

13. Optimal Robust Design of Sliding-mode Control Based on Multi-Objective Particle Swarm Optimization for Chaotic Uncertain Problems

Mohammadjavad Mahmoodabadi; Milad Taherkhorsandi

Volume 10, Issue 3 , September 2017, Pages 115-126

  The aim of this paper is to present an optimal robust Pareto design of sliding-mode control for chaotic uncertain problems. When designing and applying sliding mode control to challenging dynamic systems, it is crucial to gain optimal control effort and minimum tracking errors, simultaneously. In this ...  Read More

14. Experimental Investigation of Incremental Forming Process of Bilayer Hybrid Brass/St13 Sheets

R. Ashouri; H. Shahrajabian

Volume 10, Issue 3 , September 2017, Pages 127-135

  In this study, the incremental forming of two layers’ brass/St13 sheets through the single-point process was experimentally examined. To investigate the formability of sheet in this process, the desired shape was designed through solid works software, and then surf cam application was used to observe ...  Read More