激光烧结工艺参数对Fe-16%Ni合金致密度的影响Effect of process parameters on density of Fe-16%Ni metal part formed by selective laser melting
白培康,李玉新,刘斌
摘要(Abstract):
采用激光烧结成形技术研究了不同工艺参数对Fe-16%Ni金属粉末选区激光烧结成型件微观结构和致密性的影响。结果表明,随着脉冲宽度、扫描速度和铺粉厚度的增加,烧结后试样的密度先增加然后减少,随着扫描间距的增加,烧结后试样的密度减小。当脉冲宽度0.7 ms,扫描速度1000 mm/min,铺粉厚度0.15 mm,扫描间距0.15 mm时,烧结成型件成型质量较好。
关键词(KeyWords): 选择性激光烧结;致密性;微观结构;Fe-16%Ni金属粉末
基金项目(Foundation): 教育部新世纪优秀人才支持项目国家自然科学基金(50975264);; 山西省青年科学基金(2010021022-2)
作者(Author): 白培康,李玉新,刘斌
DOI: 10.13289/j.issn.1009-6264.2011.06.002
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