Surface Roughness Study on the Wire EDM of Silicon Carbide
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICME12_007
تاریخ نمایه سازی: 25 شهریور 1392
Abstract:
Advanced ceramics are widely used as a substitution for metals in industry. Silicon carbide (SiC) ceramic has special features such as low density, high thermal conductivity, low thermal expansion and very high thermal shock resistance. On the contrary, high hardness and resistance to wear of SiC are features, which make conventional methods such as diamond grinding, low efficient and costly. On the other hand, electrodischarge machining (EDM) is known as an efficient method in this case. In this paper, wire electrodischarge machining (WEDM) process has been taken under examination as machining method, and study has been carried out on the influence of five machining factors which are most known parameters to be controlled by WEDM process machinist, in order to obtain better surface quality. Design of experiments (DOE) method, has been chosen as analytical method for studying variation of surface roughness as a function of machining factors. Finally it turns out that off time and power factors had outstanding effect on surface roughness.
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Authors
M. A. Ataei
Department of Manufacturing Engineering, Islamic Azad University, Dezful Branch, Dezful, Iran
GH Dehghan
Faculty of Laser & Optic Research School, Nuclear Since & Technology Institute, Tehran, Iran
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