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首页> 外文期刊>International Journal of Electrochemical Science >Effects of Surface Characteristics of AISI 304 Stainless Steel by Wet Shot Peening and its Wear and Corrosion Behavior
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Effects of Surface Characteristics of AISI 304 Stainless Steel by Wet Shot Peening and its Wear and Corrosion Behavior

机译：AISI 304不锈钢表面特性对湿射下喷丸的影响及其磨损及耐腐蚀行为

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摘要

In this paper, wet shot peening (WSP) is applied to investigate the influence on wear and corrosionbehavior of AISI 304 stainless steel using dry reciprocating sliding wear tests and electrochemicalimpedance spectroscopy (EIS) experiments. Surface modifications including microstructure, surfaceroughness, microhardness and phase transformation are characterized. Results show that wet shotpeening produces grain refinement because of intersection of deformation twins at different directions,increases surface roughness and generates martensite phase. Microhardness at the top surface can beenhanced significantly due to the strain hardening produced by WSP. Results of dry sliding wear testsreveal a remarkable improvement in wear resistance by WSP. The wear mechanism is a mixture ofabrasive and adhesive wear for both as-received and wet shot peened AISI 304 stainless steel. Resultsof EIS experiments show that the charge transfer resistance of relative higher peening coverage WSPtreated sample is higher than those of lower peening coverage WSP treated and as-received samples inthe acid chloride solution at room temperature. The improved corrosion resistance for higher peeningcoverage WSP can be achieved by the positive combined action of grain refinement, surface roughnessand deformation induced martensite.
机译：在本文中，应用湿射击喷丸（WSP）来研究使用干往复式滑动磨损试验和电化学阻力光谱（EIS）实验对AISI 304不锈钢磨损和腐蚀侵蚀性的影响。表征了包括微观结构，表面，微硬度和相变的表面修饰。结果表明，由于不同方向的变形双胞胎的交叉，湿法散热产生晶粒细化，提高表面粗糙度并产生马氏体相。由于WSP产生的应变硬化，顶表面的微硬度可以显着显着。干式滑动磨损试验的结果通过WSP耐磨性的显着提高。磨损机构是AISI 304不锈钢的AISI 304不锈钢的磨损和粘合磨损的混合物。 EIS实验表明，相对较高的喷丸覆盖率Wsptreated样品的电荷传递电阻高于较低的喷丸覆盖WSP处理和接收的样品在室温下的酰氯溶液。通过晶粒细化的正组合作用，表面粗糙度变形诱导马氏体可以实现更高Peeningcoverage WSP的改善耐腐蚀性。

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