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首页> 外文期刊>Journal of Materials Engineering and Performance >Effects of surface preparation on pitting resistance, residual stress, and stress corrosion cracking in austenitic stainless steels
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Effects of surface preparation on pitting resistance, residual stress, and stress corrosion cracking in austenitic stainless steels

机译：表面处理对奥氏体不锈钢耐点蚀性，残余应力和应力腐蚀开裂的影响

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摘要

Surface finishing treatments such as shot blasting and wire brushing can be beneficial in improving the integrity of machined surfaces of austenitic stainless steels. These operations optimize in-service properties such as resistance to pitting corrosion and stress corrosion cracking (SCC). In this study, ground steel surfaces were subjected to a series of sand blasting and wire brushing treatments. The surfaces were then characterized by their hardness, surface residual stress state, and resistance to stress corrosion and pitting corrosion. Some samples were selected for depth profiling of residual stress. It is found that surface hardening and the generation of near-surface compressive residual stress are the benefits that can be introduced by sand blasting and brushing operations.
机译：诸如喷砂和钢丝刷之类的表面处理可以改善奥氏体不锈钢机械加工表面的完整性。这些操作优化了使用中的性能，例如抗点蚀和应力腐蚀开裂（SCC）。在这项研究中，对地面钢表面进行了一系列喷砂和钢丝刷处理。然后通过表面的硬度，表面残余应力状态以及对应力腐蚀和点蚀的抵抗力来表征表面。选择一些样品进行残余应力深度剖析。发现表面硬化和近表面压缩残余应力的产生是喷砂和刷涂操作可以带来的好处。

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