碎片凹陷、剥落形成和传播的分析和实验研究-猫眼课题宝

碎片凹陷、剥落形成和传播的分析和实验研究

批准号：

9522010

负责人：

Farshid Sadeghi

金额：

$12.36万

依托单位：

Purdue Research Foundation

依托单位国家：

美国

项目类别：

Continuing Grant

财政年份：

1995

资助国家：

美国

项目状态：

已结题

起止时间：

1995-09-01 至 1998-08-31

来源：

https://www.nsf.gov/awardsearch/showAward?AWD_ID=9522010&HistoricalAwards=false

关键词：

Analytical Experimental Investigation Debris Denting

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英文摘要

9522010 Sadeghi Failure of lubricated tribological contacts is in most cases caused by debris in the lubricant. This study will develop analytical and experimental techniques to calculate and measure the effects of debris on performance parameters such as pressure, temperature, film thickness, and stress distribution in the solid surfaces. The stress calculations will be used to model crack propagation in fatigue spall development leading to mechanical failure. A multi-purpose tribotester will be used to obtain experimental data to validate the model from tests with lubricants that contain various concentrations and sizes of debris. ***

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