Tribological Behavior of Tool Steel Substrate and Solid Films against 304 BA Austenitic Stainless Steel under Dry Sliding

IF 1.5 Q3 ENGINEERING, MECHANICAL

Advances in Tribology Pub Date : 2020-09-04 DOI:10.1155/2020/8845548

N. Angsuseranee, Bhadpiroon Watcharasresomroeng, Pracha Bunyawanichkul, Siradej Chartniyom

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引用次数: 5

Abstract

The objective of this work is to study the tribological behavior of the contacting surfaces of SKD11 grade hardened cold work tool steel against grade SUS304BA austenitic stainless steel. DLC, CrN, TiN, and TiCN films were coated on the surface of the tool material to test the tribological performance. Simulation testing with a pin-on-disk was used in this study. The study was done under dry conditions with sliding velocities at 50, 100, and 150 mm/s and contact pressures of 807, 1095, and 1280 MPa. The results show that the main problem is the adhesion of the workpiece material on the tool surface. The severity of the adhesion from the workpiece material is proportional to the sliding velocity and the contact pressure between the contacting surfaces. The coefficient of friction between the contacting surfaces has a positive relationship with the adhesion occurring on the tool surface. The hardness of the film coating is useful for preventing wear of the tool material, especially under high pressure between the contacting surfaces. However, it does not prevent the adhesion of workpiece material of low sliding velocity and low contact pressure conditions. Noncoated SKD11 tool steel has better effectiveness of adhesion performance than CrN, TiN, and TiCN film coatings.

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干滑动下工具钢基体和固体膜对304 BA奥氏体不锈钢的摩擦学行为

本研究的目的是研究SKD11级淬火冷作工具钢与SUS304BA级奥氏体不锈钢接触面的摩擦学行为。在刀具材料表面涂覆DLC、CrN、TiN和TiCN膜，测试其摩擦学性能。本研究采用针盘模拟试验。研究在干燥条件下进行，滑动速度分别为50、100和150 mm/s，接触压力分别为807、1095和1280 MPa。结果表明，主要问题是工件材料在刀具表面的粘附性。工件材料粘附的严重程度与滑动速度和接触面之间的接触压力成正比。接触面间的摩擦系数与刀具表面的附着量呈正相关。薄膜涂层的硬度有助于防止刀具材料的磨损，特别是在接触面之间的高压下。然而，它不能防止工件材料在低滑动速度和低接触压力条件下的粘附。未涂覆的SKD11工具钢具有比CrN、TiN和TiCN涂层更好的附着性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Tribology ENGINEERING, MECHANICAL-

CiteScore

5.00

自引率

0.00%

发文量

审稿时长

13 weeks