Surface topography and kerf study of nimonic 80A using wire-cut EDM

被引:3
|
作者
Department of Mechanical Engineering, National Institute of Technology Kurukshetra, Haryana [1 ]
136119, India
机构
来源
Mater. Sci. Forum | / 35-41期
关键词
Influence of process parameters - Kerf - Machining parameters - Nickel- based superalloys - Nimonic 80A - Recast layer - WEDM - Wire-cut electrical discharge machining;
D O I
10.4028/www.scientific.net/MSF.808.35
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学科分类号
摘要
Nimonic-80A is a nickel based super alloy which is specifically used in aerospace industry for its high strength to weight ratio and corrosion resistance. This paper presents the influence of process parameters of wire cut Electrical Discharge Machining (WEDM) during the machining of Nimonic 80A with brass wire as electrode and optimization of machining parameters on kerf width. Process parameters (pulse-on time, pulse-off time, peak current, spark gap set voltage, wire feed and wire tension) have been investigated using L27 orthogonal array. With the assistance of Taguchi quality design, ANOVA and F-test, significant parameters affecting the kerf have been identified. The surface topography of machined samples has been studied in correlation with the rate of input energy into the spark. © (2015) Trans Tech Publications, Switzerland.
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