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OALib Journal期刊
ISSN: 2333-9721
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316l不锈钢准平衡气体渗碳层残余应力研究
DOI: 10.3969/j.issn.1671-7627.2015.06.008, PP. 39-43
Keywords: 奥氏体不锈钢,准平衡气体渗碳,压缩残余应力
Abstract:
利用x线衍射仪(xrd)、电子探针(epma)、扫描电子显微镜(sem)、光学显微镜(om)研究了316l奥氏体不锈钢准平衡气体渗碳层的残余应力、碳质量分数分布以及微观结构。结果表明:准平衡气体渗碳层内为单一的扩张奥氏体相(s相)结构;c原子的渗入及碳质量分数梯度分布,导致渗碳层表面产生极高的压缩残余应力,局部发生塑性变形。
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