预硬化GX120Mn13铸钢对技术干摩擦摩擦学性能的影响

Q3 Engineering
B. Kalandyk, R. Zapała, M. Madej, J. Kasińska, K. Piotrowska
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引用次数: 1

摘要

本文介绍了高锰GX120Mn13铸钢在技术干摩擦条件下的摩擦学试验结果。测试使用TRB3球盘摩擦计进行,使用直径为6mm的sic球作为反样品,用于GX120Mn13铸钢制成的样品,该样品在测试表面上包含局部预硬化区域,硬度约为597 HV10(未硬化区域的硬度约为325-364 HV10)。在测试过程中,球沿直径16.68 mm的圆周运动,穿过硬化区和非硬化区。使用光学轮廓仪和扫描显微镜测试评估了由此产生的侵蚀痕迹,结果表明,先前硬化区域的最大侵蚀深度为0.77 μm,是未硬化区域的两倍多。相比之下,磨损面积是位于先前施加载荷轴上的未硬化区域的两倍,并且是位于轴侧且距离轴8.34 mm的区域的三倍以上。由此,从GX120Mn13铸钢的耐磨性角度,证实了其在操作前预先硬化的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
INFLUENCE OF PRE-HARDENED GX120Mn13 CAST STEEL ON THE TRIBOLOGICAL PROPERTIES UNDER TECHNICALLY DRY FRICTION
This paper presents the results of tribological tests on high manganese GX120Mn13 cast steel under technically dry friction conditions. The tests were carried out using a TRB3 ball-on-disc tribometer using a 6mm-diameter SiC ball as a counter-sample for a specimen made of GX120Mn13 cast steel containing a localised prehardening area on the test surface with a hardness of approximately 597 HV10 (the non-hardened area had a hardness of approximately 325-364 HV10). During the test, the ball travelled in a 16.68 mm diameter circle and passed through both hardening and non-hardened areas. The resulting erosion marks were assessed using an optical profilometer and scanning microscope tests, which showed that the maximum depth of erosion in the previously hardening area was 0.77 μm and was more than twice as deep as in the non-hardened areas surveyed. In contrast, the area of attrition was twice as small as in the non-hardened area located in the axis of the previously applied load and more than three times smaller, but in the area located on the side of the axis and 8.34 mm away from it. Thus, from the point of view of the abrasion resistance of GX120Mn13 cast steel, the validity of its prior hardening before the operation was confirmed.
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来源期刊
Tribologia: Finnish Journal of Tribology
Tribologia: Finnish Journal of Tribology Materials Science-Surfaces, Coatings and Films
CiteScore
2.20
自引率
0.00%
发文量
4
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