Influence of Lubricated Rolling/Sliding Tribotesting on Hydrogen Trapping in 100Cr6 Bearing Steel

IF 2.9 3区工程技术 Q2 ENGINEERING, CHEMICAL Tribology Letters Pub Date : 2024-05-28 DOI:10.1007/s11249-024-01871-3

Lisa-Marie Weniger, Birhan Sefer, Leonardo Pelcastre, Pia Åkerfeldt, Jens Hardell

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Abstract

As hydrogen reduces the fatigue life of 100Cr6 bearing steel significantly, extensive research on the interaction of hydrogen with 100Cr6 is necessary. This study investigated the influence of rolling/sliding tribotesting performed on a micro-pitting-rig on the hydrogen absorption and trapping behaviour of 100Cr6 bearing steel. Thermal desorption mass spectrometry was used to compare the hydrogen desorption spectra of 100Cr6 samples after tribological tests and static heated oil-immersion tests to untested reference samples. The approach was chosen to further understand the influence of both microstructural deformation as well as steel-oil contact on the hydrogen absorption and trapping behaviour of 100Cr6. The tribological test showed a stable friction behaviour and mild wear which was dominated by local plastic deformation of surface asperities. Despite the mild wear, a change in de-trapping temperatures was found for tribotested samples compared to oil-immersed and untested reference samples. This finding indicates that even mild tribotesting conditions alter the hydrogen trapping behaviour of 100Cr6 bearing steel.

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润滑滚动/滑动摩擦试验对 100Cr6 轴承钢中氢捕集的影响

由于氢会显著降低 100Cr6 轴承钢的疲劳寿命，因此有必要对氢与 100Cr6 的相互作用进行广泛研究。本研究调查了在微点蚀钻机上进行的滚动/滑动磨擦试验对 100Cr6 轴承钢吸氢和捕氢行为的影响。采用热解吸质谱法比较了 100Cr6 试样在摩擦学测试和静态加热油浸泡测试后与未测试参考试样的氢解吸光谱。选择这种方法是为了进一步了解微结构变形以及钢-油接触对 100Cr6 吸氢和捕氢行为的影响。摩擦学测试表明，摩擦行为稳定，磨损轻微，主要是表面尖角的局部塑性变形。尽管磨损轻微，但与浸油和未测试的参考样品相比，经过摩擦测试的样品的脱捕温度发生了变化。这一发现表明，即使是温和的摩擦试验条件也会改变 100Cr6 轴承钢的氢捕集行为。

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来源期刊

Tribology Letters 工程技术-工程：化工

CiteScore

5.30

自引率

9.40%

发文量

116

审稿时长

2.5 months

期刊介绍： Tribology Letters is devoted to the development of the science of tribology and its applications, particularly focusing on publishing high-quality papers at the forefront of tribological science and that address the fundamentals of friction, lubrication, wear, or adhesion. The journal facilitates communication and exchange of seminal ideas among thousands of practitioners who are engaged worldwide in the pursuit of tribology-based science and technology.