激光熔覆复合涂层裂纹产生原因及控制研究进展

doi:10.13251/j.issn.0254-6051.2020.08.045

摘要/Abstract

摘要： 综述了激光熔覆复合涂层裂纹产生的原因及影响因素,并从基材预热、熔覆后涂层整体回火和重熔、梯度结构、工艺参数优化、熔覆材料及添加剂成分控制和辅助技术等方面归纳了控制裂纹的方法和途径。

Abstract: Causes of cracks in laser clad composite coatings and the affecting factors were reviewed. The methods for controlling cracks were summarized from the aspects of preheating of the substrate, overall tempering and remelting of the coating after cladding, gradient structure, process parameter optimization, the composition control of cladding materials and addition and assistive technologies.

Key words: laser cladding, composite coating, cracks, thermal stress

中图分类号:

TG174.4

张蕾涛, 张红星, 刘德鑫, 张伟樯, 王雪松, 戴娇燕, 徐金富. 激光熔覆复合涂层裂纹产生原因及控制研究进展[J]. 金属热处理, 2020, 45(8): 233-239.

Zhang Leitao, Zhang Hongxing, Liu Dexin, Zhang Weiqiang, Wang Xuesong, Dai Jiaoyan, Xu Jinfu. Research progress on causes and control of cracks in laser clad composite coatings[J]. Heat Treatment of Metals, 2020, 45(8): 233-239.

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