NUMERICAL OPTIMIZATION OF “PLANAR TWIST CHANNEL ANGULAR EXTRUSION” AS A NOVEL SEVERE PLASTIC DEFORMATION METHOD BY DOE METHOD

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SHAMSBORHAN MAHMOUD; MORADI MAHMOUD; SHOKUHFAR ALI

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:5 Page(s): 135-144

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Title

NUMERICAL OPTIMIZATION OF “PLANAR TWIST CHANNEL ANGULAR EXTRUSION” AS A NOVEL SEVERE PLASTIC DEFORMATION METHOD BY DOE METHOD

Author(s)

SHAMSBORHAN MAHMOUD | MORADI MAHMOUD | SHOKUHFAR ALI | Issue Writer Certificate

Keywords

SEVERE PLASTIC DEFORMATION (SPD)Q1

FINITE ELEMENT ANALYSIS (FEA)Q1

EQUAL CHANNEL ANGULAR EXTRUSION (ECAP)Q1

DESIGN OF EXPERIMENTSQ1

NANOSTRUCTURED MATERIALSQ1

Abstract

The most successful ‘‘top–down’’ approach to produce bulk ultra-fine grained or NANOSTRUCTURED MATERIALS involves the use of severe plastic deformation (SPD) processing. The amount of higher effective plastic strain per pass plays a key role on the final microstructure of SPD processed samples. In the present study the numerical experiments of the combination of the equal channel angular pressing (ECAP) and simple shear extrusion (SSE) as a new process entitled “planar twist channel angular extrusion (PTCAE)” was performed based on the Response Surface Methodology (RSM), as a statistical design of experiment approach, in order to investigate the effect of parameters on the response variations, achieving the mathematical equations, predicting the results to impose higher effective plastic strain values. A and F angles, radius and friction coefficient was imposed as the input parameters while average, minimum and maximum effective strain and maximum load was imposed as the output parameters. Governing regression equations obtained after analysis of the simulation data by Minitab software. Optimum process parameters are: a=400, F =450, r=2 mm and m=0.1. Verification of the optimum results using simulation experiment was done. Good agreement between simulation, experimental and optimization was occurred.

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APA: Copy

SHAMSBORHAN, MAHMOUD, MORADI, MAHMOUD, & SHOKUHFAR, ALI. (2016). NUMERICAL OPTIMIZATION OF “PLANAR TWIST CHANNEL ANGULAR EXTRUSION” AS A NOVEL SEVERE PLASTIC DEFORMATION METHOD BY DOE METHOD. MODARES MECHANICAL ENGINEERING, 16(5), 135-144. SID. https://sid.ir/paper/177925/en

Vancouver: Copy

SHAMSBORHAN MAHMOUD, MORADI MAHMOUD, SHOKUHFAR ALI. NUMERICAL OPTIMIZATION OF “PLANAR TWIST CHANNEL ANGULAR EXTRUSION” AS A NOVEL SEVERE PLASTIC DEFORMATION METHOD BY DOE METHOD. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(5):135-144. Available from: https://sid.ir/paper/177925/en

IEEE: Copy

MAHMOUD SHAMSBORHAN, MAHMOUD MORADI, and ALI SHOKUHFAR, “NUMERICAL OPTIMIZATION OF “PLANAR TWIST CHANNEL ANGULAR EXTRUSION” AS A NOVEL SEVERE PLASTIC DEFORMATION METHOD BY DOE METHOD,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 5, pp. 135–144, 2016, [Online]. Available: https://sid.ir/paper/177925/en

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