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Fe-C混合粉末激光烧结成形试验

FAN Chunhua,DONG Lihna, WANG Dongsheng

Hanjie Xuebao/Transactions of the China Welding Institution（2007）

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Abstract
在激光选区成形机上对一定比例的、未添加低熔点粘结剂Fe-C混合粉末进行了烧结工艺试验研究,分析了工艺参数对金属粉末烧结成形的影响,分析了激光功率、扫描间隔、扫描速度与烧结层厚的关系,建立了扫描间隔与烧结层厚之间的关系公式并由试验数据给予了论证.通过烧结件微观结构分析了Fe-C粉末在激光作用下的烧结机制及烧结过程出现的球化现象.获取了合理的烧结工艺参数并烧结出具有一定精度、致密性和复杂的Fe-C金属件.
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Key words
Laser sintering,Metal powder,Process parameters
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