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首页> 外文期刊>Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science >Erosive Wear Study of the AISI 201LN Stainless Steel: A Comparison with the AISI 304 and AISI 410 Stainless Steels
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Erosive Wear Study of the AISI 201LN Stainless Steel: A Comparison with the AISI 304 and AISI 410 Stainless Steels

机译：AISI 201LN不锈钢的腐蚀磨损研究：与AISI 304和AISI 410不锈钢的比较

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摘要

Synergistic corrosion and oxidation can accelerate the wear phenomenon in aggressive environments such as machinery operating in mining industries. The main purpose of this article is to study the erosion wear behavior of the AISI 201LN austenitic stainless steel toward an erosive wear process simulating the flow of particles in chutes. In addition to its good resistance to corrosion, the high Md temperature and low stacking fault energy (SFE) presented by the AISI 201LN steel favor its deformation-induced epsilon-martensitic transformation and, consequently, its work-hardening capacity. These characteristics induce a high potential in applications where mechanical wear occurs simultaneously with corrosion. For comparison purposes, AISI 304 and AISI 410 stainless steels, commonly used in mining and agroindustry equipment, were also studied in this work. Among the austenitic alloys, since its composition is weak in nickel, the AISI 201LN steel has a low production cost. The erosion tests were performed with impact angles of 20 and 90 deg, and the eroded samples were characterized by optical microscopy, scanning electron microscopy (SEM), and microhardness measurements. All the materials studied presented erosive wear by plastic deformation, and the AISI 201LN steel exhibited the highest erosive wear resistance. Its high ductility, high hardening rate, and high tendency to form martensite by deformation were fundamentals for such response. As a result, the AISI 201LN stainless steel seems promising as a cheaper material for applications in equipment that undergoes simultaneous erosive and corrosive wear.
机译：协同腐蚀和氧化可以加速在恶劣环境中，如采矿业机械操作的磨损现象。本文的主要目的是研究AISI 201LN奥氏体不锈钢的腐蚀磨损行为朝向冲蚀磨损过程模拟颗粒在滑槽的流动。除了它的良好的耐腐蚀性，由AISI钢201LN呈现的高温度马里兰州和低堆垛层错能（SFE）有利于其加工诱发的ε-马氏体相变，因此，其加工硬化能力。这些特性诱导的应用中机械磨损与腐蚀同时发生的高潜力。为了便于比较，AISI 304和AISI 410不锈钢，采矿业和农产品加工业设备常用，也研究了这项工作。间的奥氏体合金，因为它的组成是在镍较弱，AISI 201LN钢具有低的生产成本。侵蚀试验是用20和90度的冲击角进行的，并通过光学显微镜的侵蚀样品进行表征，扫描电子显微镜（SEM），和显微硬度测量。所有的材料通过塑性变形研究呈现侵蚀磨损和AISI 201LN钢表现出最高的耐冲蚀磨损。其高延展性，高固化速度，和高的倾向通过变形形式马氏体是用于这种反应的基本面。其结果是，在AISI 201LN不锈钢很有前途作为设备经历同时侵蚀和腐蚀磨损应用更便宜的材料。

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