| 导卫板失效分析及表面喷涂层的耐磨性能 |
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| 引用本文： | 王海斗,徐滨士,魏世丞,张显程,金国,姜祎.导卫板失效分析及表面喷涂层的耐磨性能[J].金属热处理,2005,30(8):39-41. |
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| 作者姓名： | 王海斗 徐滨士 魏世丞 张显程 金国 姜祎 |
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| 作者单位： | 装甲兵工程学院,装备再制造技术国防科技重点实验室,北京,100072 |
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| 基金项目： | 国家自然科学基金重点项目（50235030） |
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| 摘 要： | 对受高温磨损破坏的导卫板进行了失效分析，认为导卫板主要受到了疲劳磨损和磨料磨损。为提高导卫板的耐磨性，采用氧-乙炔火焰喷涂的方法在其磨损表面喷熔钴基WC涂层。实际应用表明，该喷熔层具有良好的耐磨效果，显著提高了导卫板的高温耐磨性。
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| 关 键 词： | 导卫板 激冷铸铁 失效分析 钴基合金 WC颗粒 |
| 文章编号： | 0254-6051（2005）08-0039-03 |
| 收稿时间： | 2005-03-08 |
| 修稿时间： | 2005-03-08 |
Failure Analysis of Guide Piece and Wear Resistance of the Thermal Sprayed Coating |
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| WANG Hai-dou,XU Bin-shi,WEI Shi-Cheng,ZHANG Xian-cheng,JIN Guo,JIANG Yi.Failure Analysis of Guide Piece and Wear Resistance of the Thermal Sprayed Coating[J].Heat Treatment of Metals,2005,30(8):39-41. |
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| Authors: | WANG Hai-dou XU Bin-shi WEI Shi-Cheng ZHANG Xian-cheng JIN Guo JIANG Yi |
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| Affiliation: | National Key Laboratory for Remanufacturing,Academy of Armored Force Engineering, Beijing 100072 ,China |
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| Abstract: | The guide piece, which was worn seriously under high temperature, was analyzed. It is show that the wear mechanism of guide piece is fatigue wear and abrasive wear. In order to enhance its wear resistance,the oxygen-ethyne flame spraying method was utilized to prepare the Co-based WC composite coating on the worn guide piece. The practical results show that the sprayed-welded composite coating possesses excellent wear resistance. |
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| Keywords: | guide piece chilled cast iron failure analysis Co-base alloy WC grains |
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