| 涂层电子束重熔对裂纹的影响及控制 |
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| 引用本文： | 于斌,靳庆臣,何俊,刘志栋,程彬,王祥龙.涂层电子束重熔对裂纹的影响及控制[J].航天制造技术,2009(4). |
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| 作者姓名： | 于斌 靳庆臣 何俊 刘志栋 程彬 王祥龙 |
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| 作者单位： | 兰州空间技术物理研究所; |
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| 摘 要： | 由于涂层电子束重熔技术自身的特点,涂层重熔处理后材料表面极易形成裂纹,已成为阻碍电子束重熔技术工业化应用的主要障碍之一。为解决此问题,加快推动涂层电子束重熔技术的工业化应用,本文综述了国内外涂层电子束重熔的研究进展,着重介绍了涂层电子束重熔裂纹的产生机理及防治措施,并针对目前涂层电子束重熔技术面临的问题提出了解决途径。
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| 关 键 词： | 涂层 电子束重熔 裂纹 残余应力 温度梯度 |
Influence and Control of Electron Beam Remelting Coating on Crack |
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| Yu Bin Jin Qingchen He Jun Liu Zhidong Cheng Bin Wang Xianglong.Influence and Control of Electron Beam Remelting Coating on Crack[J].Aerospace Manufacturing Technology,2009(4). |
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| Authors: | Yu Bin Jin Qingchen He Jun Liu Zhidong Cheng Bin Wang Xianglong |
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| Institution: | Lanzhou Institute of Physics;Lanzhou 730000 |
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| Abstract: | Inherent characteristics of electron beam remelting technique lead to the crack formation in the coating after surface modification,which becomes one of the severe problems of industrial application of electron beam remelting technique.To solve this problem,the latest progress and research status of electron beam cladding for coating is reviewed.Mechanism of crack formation and some ways to control cracks on electron beam remelting coating are introduced.At last possible solutions are suggested according to... |
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| Keywords: | coating electron beam remelting crack residual stress temperature gradient |
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