| 锤刀表面硬质合金覆层的性能及失效机理分析 |
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| 引用本文： | 李文虎,刘福田. 锤刀表面硬质合金覆层的性能及失效机理分析[J]. 工具技术, 2008, 42(11) |
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| 作者姓名： | 李文虎 刘福田 |
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| 作者单位： | 陕西理工学院;济南大学 |
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| 摘 要： | 在去毛刺机锤刀表面制备了硬质合金覆层,研究了锤刀表面硬质覆层的硬度及磨损形貌,并对其失效机理进行了分析研究,指出锤刀表面硬质合金覆层的主要失效机理是热载荷作用下的裂纹扩展。
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| 关 键 词： | 去毛刺机锤刀 硬质合金覆层 失效机理 |
Perfonnances and Failure Mechanism of Hard Alloy CIadding on Hammer Tool |
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| Li Wenhu,Liu Futian. Perfonnances and Failure Mechanism of Hard Alloy CIadding on Hammer Tool[J]. Tool Engineering(The Magazine for Cutting & Measuring Engineering), 2008, 42(11) |
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| Authors: | Li Wenhu Liu Futian |
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| Abstract: | The hard alloy cladding was prepared on the surface of hammer tool of burr removing machine.The hardness and wear appearance of the hard alloy cladding were investigated,and the failure mechanism of this hard alloy cladding was analyzed.It is found that the main failure mechanism of the hard alloy cladding is crack propagation under the effect of heat loads. |
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| Keywords: | hammer tool of burr removing machine hard alloy cladding failure mechanism |
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