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2019 12 v.46 1-8
金属激光三维打印技术的缺陷分析及其抑制对策
基金项目(Foundation):
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中文作者单位:

陆军工程大学野战工程学院;

摘要(Abstract):

针对金属激光三维打印过程中成形件的缺陷问题,在介绍选择性激光烧结技术(SLS)、选择性激光熔化技术(SLM)和激光熔化沉积技术(LMD)三种典型金属激光三维打印技术原理和特点的基础上,分析了成形件出现球化、孔隙和裂纹三种常见缺陷的原因,重点从粉末特性、工艺参数和后处理技术三方面叙述了抑制缺陷、改善成形件性能的对策。最后,为了进一步抑制缺陷,提出了研制新型粉末、协同运用处理技术以及研发高精度缺陷检测技术等措施。

关键词(KeyWords): 金属材料;;激光三维打印;;缺陷;;工艺参数;;后处理技术
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基本信息:

DOI:

中图分类号:TP391.73;TN249

引用信息:

[1]汤槟晖,徐婷,孙志丹等.金属激光三维打印技术的缺陷分析及其抑制对策[J].机械,2019,46(12):1-8.

基金信息:

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