Study of the effect of machining parameters on the machining characteristics in electrical discharge machining of Fe-Mn-Al alloy

被引：26
|
作者：
Guu, YH [1 ]
Chou, CY [1 ]
Chiou, ST [1 ]
机构：
[1] Natl United Univ, Dept Mech Engn, Miaoli 360, Taiwan
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2005年 / 20卷 / 06期
关键词：
electrical discharge machining; electrode wear ratio; Fe-Mn-Al alloy; material removal rate; recast layer; surface morphology; surface roughness;
D O I：
10.1081/AMP-200060412
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work we investigated the electrical discharge machining (EDM) of a Fe-Mn-Al alloy. The surface phenomena caused by EDM were studied in terms of machining parameters. An empirical model of the Fe-Mn-Al alloy was also proposed based on the experimental data. Experimental results indicate that the higher the discharge energy, the faster the machining time. This treatment introduces machining damage in the resolidified surface layer and worsens the surface roughness. The optimum pulse-on duration on the basis of the electrode wear ratio for the copper electrode was about 200 mu s. The increase of crater depth with the applied pulsed current and pulse-on duration appears minimal under a small input energy.
引用
收藏
页码：905 / 916
页数：12
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