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氧化铝陶瓷激光选区熔化成形实验

Experiment on Selective Laser Melting Forming of Al2O3 Ceramics

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摘要

采用激光选区熔化技术进行了Al2O3粉末和浆料的基础实验研究。实验结果表明,Al2O3粉末成形效果较差,而Al2O3浆料成形效果较好;激光功率对Al2O3浆料试样表面的质量具有重要影响,表面质量随激光功率的增加而不断提高。当激光功率为200 W,扫描速度为90 mm/s时,Al2O3试样维氏硬度均值约为14.7 GPa。

Abstract

The technology of selective laser melting is used to conduct the basic experimental study on Al2O3 powders and slurry. The experimental results show that the forming effect of Al2O3 powder is worser, and in contrast that of Al2O3 slurry is better. Laser power has important impact on the surface quality of Al2O3 slurry samples, and the surface quality continuously upgrades with the increment of laser power. With the laser power of 200 W and scanning speed of 90 mm/s, the average Vickers hardness of Al2O3 sample is about 14.7 GPa.

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中图分类号:TN249

DOI:10.3788/cjl201643.1002007

所属栏目:激光制造

基金项目:国家自然科学基金(51375242)、江苏省重点研发计划(BE2015165)、江苏省研究生创新计划(KYZZ15_0114)

收稿日期:2016-06-24

修改稿日期:2016-07-20

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作者单位    点击查看

张凯:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094
刘婷婷:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094
廖文和:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094
张长东:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094
闫以帅:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094
杜道中:南京理工大学机械工程学院, 江苏 南京 210094江苏省高端制造装备与技术工程实验室, 江苏 南京 210094

联系人作者:张凯(zhangkai_nick@163.com)

备注:张凯(1989—),男,博士研究生,主要从事激光选区熔化方面的研究。

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引用该论文

Zhang Kai,Liu Tingting,Liao Wenhe,Zhang Changdong,Yan Yishuai,Du Daozhong. Experiment on Selective Laser Melting Forming of Al2O3 Ceramics[J]. Chinese Journal of Lasers, 2016, 43(10): 1002007

张凯,刘婷婷,廖文和,张长东,闫以帅,杜道中. 氧化铝陶瓷激光选区熔化成形实验[J]. 中国激光, 2016, 43(10): 1002007

被引情况

【1】倪荣萍,钱滨,刘畅,邱建荣. 陶瓷材料激光增材制造的研究现状及展望. 激光与光电子学进展, 2018, 55(1): 11408--1

【2】马瑞芩,张凯,韦辉亮,刘婷婷,廖文和. 基于数值仿真的Al2O3陶瓷激光选区熔化表面微观组织形成机理研究. 中国激光, 2019, 46(2): 202002--1

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