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标 题: Characterisation of white etching crack damage in wind turbine gearbox bearings
风力涡轮机齿轮箱轴承中白蚀裂纹损伤的表征
作 者: Long, H.
Dwyer-Joyce, R. S.
Bruce, T.
Rounding, E.
关键词: Rolling contact fatigue  [滚动接触疲劳]
Bearings  [ 轴承]
Optical microscopy  [ 光学显微镜]
Electron microscopy  [ 电子显微镜]
Steel  [ 钢]
出版年: 2015
期刊名: Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear
磨损:摩擦、润滑与磨损科学与技术国际期刊
年卷期: 2015, vol.338/339
摘 要: White etching cracks (WECs) have been identified as a main failure mode of wind turbine gearbox bearings (WTGBs). This study reports an investigation of the destructive sectioning of a failed low speed planetary stage WTGB and the damage found at manganese sulphide (MnS) inclusions. The bearing inner raceway was sectioned through its circumferential and axial directions in order to compare the damage around inclusions in different directions. 112 damage initiating inclusions were catalogued and their properties were investigated.

白蚀裂纹(WECs)已被确认为风力涡轮机齿轮箱轴承(WTGB)的主要失效模式。本研究对一台失效的低速行星齿轮阶段WTGB进行了破坏性截面分析,并发现了硫化锰(MnS)夹杂物所引起的损伤。为了比较不同方向上夹杂物周围损伤的情况,轴承内圈轨道在环向和轴向方向上进行了截取分析。共记录了112个损伤起始夹杂物,并对其特性进行了研究。
中文内容为网络AI翻译,专业术语未必准确,仅供参考。

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