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首页> 外文会议>World Tribology Congress III vol.1; 20050912-16; Washington,DC(US) >TRIBOLOGY TESTING OF ADVANCED AVIATION OILS, BEARING AND GEAR MATERIALS
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TRIBOLOGY TESTING OF ADVANCED AVIATION OILS, BEARING AND GEAR MATERIALS

机译：先进航空油，轴承和齿轮材料的摩擦学测试

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摘要

Long standing demands of advanced gas turbine engine oils to operate with increasing temperatures have resulted in formulations with reduced boundary lubrication. The desire to introduce corrosion resistance bearing and gear steels with more chemically benign surfaces compared to conventional steels presents significant challenges for boundary lubrication. A scuffing load capacity test method highlights oil and bearing steel response to mixed-film lubrication and wear. Through traction measurements the test method differentiates additive type and concentration with respect to wear and scuffing performance. The introduction of stainless steels 440C and Pyrowear 675 significantly reduces scuffing performance compared to conventional M50 bearing steel. The scuffing load capacity screening tests with advanced additive candidates show feasibility to significantly increase tribology performance with stainless steels.
机译：对于先进的燃气涡轮发动机油的长期要求是要在升高的温度下运行，这导致配方的边界润滑降低。与传统钢相比，引入耐腐蚀轴承和齿轮钢表面化学性质更佳的齿轮钢，对边界润滑提出了重大挑战。划伤负荷能力测试方法突出了油和轴承钢对混合膜润滑和磨损的响应。通过牵引力测量，该测试方法根据磨损和划伤性能来区分添加剂的类型和浓度。与传统的M50轴承钢相比，不锈钢440C和Pyrowear 675的引入大大降低了划伤性能。使用高级添加剂候选物进行的划痕负荷能力筛选测试表明，可以显着提高不锈钢的摩擦学性能。

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