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陶瓷涂层加固铝合金薄板的抗激光性能测试

Anti-laser performance test of aluminum alloy plates reinforced by ceramic coating

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摘要

针对铝合金基材设计了ZrO2陶瓷涂层, 采用976 nm连续波激光对样品的抗激光性能进行了测试。基材厚度为2.5 mm, 涂层厚度为0.3 mm, 实验测试时样品前表面加载了0.3 Ma切向空气流。记录了辐照区域后表面测点的温度变化情况, 测量了未辐照区与辐照区的反射率谱, 并进行了XPS成分分析。结果表明: 平均功率密度700 W/cm2的激光辐照60 s样品没有熔化; 辐照区域颜色变白, 对近红外光的反射率变大。颜色变白的原因可能是涂层表面沾染的含碳化合物在激光辐照过程中被热解或气化, 这与XPS检测结果相一致。

Abstract

ZrO2 ceramic coating was designed for aluminum alloy plates and their anti-laser performance was tested using 976 nm CW laser. The alloy substrate is 2.5 mm thick and the coating is 0.3 mm thick. In the tests the plates were subjected to 0.3 Ma tangential airflow. Temperature of the rear surface was recorded with thermocouples. Spectral reflectance of unirradiated area and irradiated area was measured respectively, and XPS analysis was done to investigate the change of elemental composition in the coating induced by laser irradiation. The experimental results show that, the sample could withstand 60 s irradiation by 976 nm CW laser with power density up to 700 W/cm2, and that the color of irradiated area turns white from offwhite, and that the reflectance to near-infrared light increases. The change in color may be the result of pyrolysis or gasification of carbon-containing compounds during laser irradiation, which is consistent with the results of XPS analysis.tangential flow

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中图分类号:TN249

DOI:10.3788/irla201746.0606002

所属栏目:激光技术及应用

基金项目:装备预研项目

收稿日期:2016-10-10

修改稿日期:2016-11-20

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作者单位    点击查看

张天宇:国防科学技术大学 光电科学与工程学院, 湖南 长沙 410073高能激光技术湖南省重点实验室, 湖南 长沙 410073
孔 斌:中航工业成都飞机设计研究所, 四川 成都 610091
陈敏孙:国防科学技术大学 光电科学与工程学院, 湖南 长沙 410073高能激光技术湖南省重点实验室, 湖南 长沙 410073
杨 军:中航工业成都飞机设计研究所, 四川 成都 610091
江厚满:国防科学技术大学 光电科学与工程学院, 湖南 长沙 410073高能激光技术湖南省重点实验室, 湖南 长沙 410073

联系人作者:张天宇(tianyu_0606@163.com)

备注:张天宇(1992-), 男, 硕士生, 主要从事激光与物质相互作用方面的研究。

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引用该论文

Zhang Tianyu,Kong Bin,Chen Minsun,Yang Jun,Jiang Houman. Anti-laser performance test of aluminum alloy plates reinforced by ceramic coating[J]. Infrared and Laser Engineering, 2017, 46(6): 0606002

张天宇,孔 斌,陈敏孙,杨 军,江厚满. 陶瓷涂层加固铝合金薄板的抗激光性能测试[J]. 红外与激光工程, 2017, 46(6): 0606002

被引情况

【1】张军战,张媛敏,刘永胜,张颖,刘乾. 线偏振光和圆偏振光下ZrO2和Al2O3陶瓷材料的飞秒激光烧蚀性能. 光子学报, 2018, 47(6): 614003--1

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