| 超声振动辅助气体介质电火花加工硬质合金表面裂纹特性 |
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| 引用本文： | 徐明刚,张建华,张勤河,任升峰.超声振动辅助气体介质电火花加工硬质合金表面裂纹特性[J].制造技术与机床,2007(1):41-43. |
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| 作者姓名： | 徐明刚 张建华 张勤河 任升峰 |
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| 作者单位： | 山东大学机械工程学院,山东,济南,250061 |
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| 基金项目： | 高等学校博士学科点专项科研项目;国家自然科学基金;山东省优秀中青年科学家科研奖励基金 |
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| 摘 要： | 提出了超声振动辅助气体介质电火花加工技术并简述了其加工原理。用自行研制的实验机床对硬质合金进行了加工实验,通过观察加工表面微观形貌以及显微裂纹,简单分析了超声振动-气体介质电火花加工硬质合金表面裂纹的形成及扩展机理。
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| 关 键 词： | 超声振动 气体 电火花 硬质合金 裂纹 |
| 修稿时间： | 2006-08-25 |
Surface Characteristics of Cemented Carbides Machined by Ultrasonic Vibration Assisted EDM in Gas Medium |
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| XU Minggang,ZHANG Jianhua,ZHANG Qinhe,REN Shengfeng.Surface Characteristics of Cemented Carbides Machined by Ultrasonic Vibration Assisted EDM in Gas Medium[J].Manufacturing Technology & Machine Tool,2007(1):41-43. |
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| Authors: | XU Minggang ZHANG Jianhua ZHANG Qinhe REN Shengfeng |
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| Abstract: | Ultrasonic vibration assisted EDM was proposed and its principle was introduced in this paper. The relevant experimental equipment was designed, by which a serious of cemented carbides were machined. And the crack characteristics of the machined surface were studied through observing the microcosmic surface and cracks. |
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| Keywords: | Ultrasonic Vibration Gas Electrical Discharge Cemented Carbides Crack |
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