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首页> 外文期刊>The International Journal of Advanced Manufacturing Technology >Influence of heat treatment temperature on the microstructural, mechanical, and wear behavior of 316L stainless steel fabricated by laser powder bed additive manufacturing
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Influence of heat treatment temperature on the microstructural, mechanical, and wear behavior of 316L stainless steel fabricated by laser powder bed additive manufacturing

机译：热处理温度对激光粉末添加剂制造316L不锈钢微观结构，机械和磨损行为的影响

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摘要

A metal component fabricated by additive manufacturing (AM) is generally required to be heat treated to enhance microstructural and mechanical aspects. This present study aims to contribute to the literature in understanding the effect of heat treatment and various heat treatment temperatures on as-built components fabricated by AM. In this study, various heat treatment temperatures were applied to 316L stainless steel specimens produced by selective laser melting (SLM) and the effects on the microstructure, microhardness, XRD response, porosity, and wear behavior were investigated. The microhardness, XRD, and wear response of SLM 316L were compared with those of wrought 316L. The results illustrate that the heat treatment temperature has a substantial effect on the evolution of microstructure, XRD response, and porosity. Our results also support the argument that the effect of porosity on wear behavior is more dominant than the effect on microhardness. It should also be noted that the wrought 316L stainless steel specimen shows much better wear resistance than SLM 316L specimen.
机译：由添加剂制造（AM）制造的金属部件通常需要热处理以增强微观结构和机械方面。本研究旨在为理解热处理和各种热处理温度对am制造的组件的影响有助于文献。在该研究中，研究了通过选择性激光熔化（SLM）产生的各种热处理温度，并研究了对微观结构，显微硬度，XRD响应，孔隙率和磨损行为的影响的316L不锈钢试样。将SLM 316L的显微硬度，XRD和磨损反应与锻造316L的磨损量进行比较。结果说明热处理温度对微观结构，XRD响应和孔隙率的演化具有显着影响。我们的结果还支持孔隙率对磨损行为的影响比对微硬度的影响更大。还应注意，锻造316L不锈钢标本显示出比SLM 316L样品更好的耐磨性。

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