摘要:采用选择性激光熔化成型技术对316L不锈钢粉末进行工艺参数优化实验,以期获得拉伸性能优良的316L成型件。利用单因素实验法和正交试验探究激光功率、扫描速度和扫描间距等工艺参数对316L不锈钢成型试件拉伸性能(抗拉强度和延伸率)的影响,确定最优工艺参数水平组合。研究结果表明:激光功率对316L不锈钢成型件抗拉强度和延伸率均有显著影响,扫描速度和扫描间距的影响次之;在实验条件下,成型件拉伸性能最优工艺参数水平组合为:激光功率220W、扫描速度960mm/s、扫描间距0.14mm。
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