The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining
碩士 === 國立高雄應用科技大學 === 機械與精密工程研究所 === 101 === This study investigated the machining characteristics of yttrium-iron alloy by electric discharge machining (EDM) in two different liquids (kerosene, deionized water).In the experiment, the electrode material is copper ,the machining parameter are pulse...
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ndltd-TW-101KUAS06930602015-10-13T22:24:07Z http://ndltd.ncl.edu.tw/handle/32831321473297031164 The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining 釔鐵合金的放電加工特性研究 Shengzhi Xie 謝盛志 碩士 國立高雄應用科技大學 機械與精密工程研究所 101 This study investigated the machining characteristics of yttrium-iron alloy by electric discharge machining (EDM) in two different liquids (kerosene, deionized water).In the experiment, the electrode material is copper ,the machining parameter are pulse duration and discharge current. X-ray powder diffraction (XRD), SEM, surface roughness tester, micro Vickers hardness were used as testing apparatus and measuring the material hardness, surface roughness, the ecast layer and phase .The results revealed that the material removal rate of kerosene is greater than deionized water and the electrode consumption rate of kerosene is lower than deionized water. Roughness comparison after using kerosene and deionized water as di-electric liquid during EDM, Yttrium-iron alloy has higher surface roughness with deionized water than with kerosene. The results can be shown on the XRD pattern and hardness chart. The hardness of Yttrium alloy work piece is higher when deionized water was used when compared to kerosene was used, and this is attributed by increment of current. Increasing percentage of YFe2H2.014, the hardness will increase as well . Kerosene di-electric liquid will result in work piece recast layer's thickness higher than deinoized water. Recast layer thickness away deionized water then with the discharge current and the pulse duration increases. By comparing the results above, EDM machining with Yttrium-iron alloy work piece while using kerosene as electrical discharge machining fluid will have a better charactristics. Shun Long Chen 陳順隆 2013 學位論文 ; thesis 71 zh-TW |
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碩士 === 國立高雄應用科技大學 === 機械與精密工程研究所 === 101 === This study investigated the machining characteristics of yttrium-iron alloy by electric discharge machining (EDM) in two different liquids (kerosene, deionized water).In the experiment, the electrode material is copper ,the machining parameter are pulse duration and discharge current. X-ray powder diffraction (XRD), SEM, surface roughness tester, micro Vickers hardness were used as testing apparatus and measuring the material hardness, surface roughness, the ecast layer and phase .The results revealed that the material removal rate of kerosene is greater than deionized water and the electrode consumption rate of kerosene is lower than deionized water. Roughness comparison after using kerosene and deionized water as di-electric liquid during EDM, Yttrium-iron alloy has higher surface roughness with deionized water than with kerosene. The results can be shown on the XRD pattern and hardness chart. The hardness of Yttrium alloy work piece is higher when deionized water was used when compared to kerosene was used, and this is attributed by increment of current. Increasing percentage of YFe2H2.014, the hardness will increase as well . Kerosene di-electric liquid will result in work piece recast layer's thickness higher than deinoized water. Recast layer thickness away deionized water then with the discharge current and the pulse duration increases. By comparing the results above, EDM machining with Yttrium-iron alloy work piece while using kerosene as electrical discharge machining fluid will have a better charactristics.
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Shun Long Chen |
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Shun Long Chen Shengzhi Xie 謝盛志 |
author |
Shengzhi Xie 謝盛志 |
spellingShingle |
Shengzhi Xie 謝盛志 The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
author_sort |
Shengzhi Xie |
title |
The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
title_short |
The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
title_full |
The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
title_fullStr |
The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
title_full_unstemmed |
The Machining Characteristics of Yttrium-Iron Alloy by Electrical Discharge Machining |
title_sort |
machining characteristics of yttrium-iron alloy by electrical discharge machining |
publishDate |
2013 |
url |
http://ndltd.ncl.edu.tw/handle/32831321473297031164 |
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