| 激光熔覆AlCoCrFeNiTi0.5合金涂层制备及其组织性能 |
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| 引用本文： | 李泰增,张丽,陈子尚,徐洋,齐艳萍,沙明红.激光熔覆AlCoCrFeNiTi0.5合金涂层制备及其组织性能[J].辽宁科技大学学报,2015(3):170-173. |
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| 作者姓名： | 李泰增 张丽 陈子尚 徐洋 齐艳萍 沙明红 |
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| 作者单位： | 辽宁科技大学材料与冶金学院,辽宁鞍山,114051;辽宁科技大学材料与冶金学院，辽宁鞍山 114051;辽宁科技大学激光先进制造技术研发中心，辽宁鞍山 114051 |
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| 基金项目： | 辽宁省科学技术计划资助项目(2012415026)；国家级大学生创新训练项目(201310146014)。 |
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| 摘 要： | 采用激光熔覆方法制备AlCoCrFeNiTi0.5高熵合金涂层，研究了激光工艺参数对涂层成形及组织性能的影响。结果表明：激光功率为3.5 kW，扫描速度为300 mm/min，光斑直径5 mm时，单道熔覆涂层表面成形性最好。熔覆层主要为BCC结构固溶体，并且有Al80Cr13Co7和Al95Fe4Cr复杂相析出，涂层平均硬度已达到989 Hv。
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| 关 键 词： | 高熵合金 涂层 激光熔覆 组织结构 |
Microstructure and properties of AlCoCrFeNiTi0.5 coating prepared by laser cladding |
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| Abstract: | AlCoCrFeNiTi high-entropy alloys coatings were prepared by laser cladding. And the effect of laser parameters on the forming,microstructure and property of the coatings were investigated in the thesis. The re-sults show that the quality of surface coating is good with smooth surface and compact structure when the laser power is 3.5 kW and scanning speed is 300 mm/min. The coating has BCC structure solid solution phase with Al80Cr13Co7 and Al95Fe4Cr complicated phases. The average hardness value is 989 HV when the laser power is 3.5 kW. |
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| Keywords: | high-entropy alloy coating laser cladding microstructure |
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