Wear-Rate Uncertainty Analysis
Wear due to relative motion between component surfaces is one of the primary modes of failure for many engineered systems. Unfortunately, it is difficult to accurately predict component life due to wear as reported wear rates generally exhibit large scatter. This paper analyzes a reciprocating tribo...
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| Veröffentlicht in: | Journal of tribology 2004-10, Vol.126 (4), p.802-808 |
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| container_title | Journal of tribology |
| container_volume | 126 |
| creator | Schmitz, Tony L Action, Jason E Burris, David L Ziegert, John C Sawyer, W. Gregory |
| description | Wear due to relative motion between component surfaces is one of the primary modes of failure for many engineered systems. Unfortunately, it is difficult to accurately predict component life due to wear as reported wear rates generally exhibit large scatter. This paper analyzes a reciprocating tribometer in an attempt to understand the instrument-related sources of the scatter in measured wear rates. To accomplish this, an uncertainty analysis is completed for wear-rate testing of a commercially available virgin polytetrafluoroethylene pin on 347 stainless steel counterface. It is found that, for the conditions selected in this study, the variance in the experimental data can be traced primarily to the experimental apparatus and procedure. Namely, the principal uncertainty sources were found to be associated with the sample mass measurement and volume determination. |
| doi_str_mv | 10.1115/1.1792675 |
| format | Article |
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Gregory</creatorcontrib><title>Wear-Rate Uncertainty Analysis</title><title>Journal of tribology</title><addtitle>J. Tribol</addtitle><description>Wear due to relative motion between component surfaces is one of the primary modes of failure for many engineered systems. Unfortunately, it is difficult to accurately predict component life due to wear as reported wear rates generally exhibit large scatter. This paper analyzes a reciprocating tribometer in an attempt to understand the instrument-related sources of the scatter in measured wear rates. To accomplish this, an uncertainty analysis is completed for wear-rate testing of a commercially available virgin polytetrafluoroethylene pin on 347 stainless steel counterface. It is found that, for the conditions selected in this study, the variance in the experimental data can be traced primarily to the experimental apparatus and procedure. Namely, the principal uncertainty sources were found to be associated with the sample mass measurement and volume determination.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Friction, wear, lubrication</subject><subject>Machine components</subject><subject>Mechanical engineering. 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| identifier | ISSN: 0742-4787 |
| ispartof | Journal of tribology, 2004-10, Vol.126 (4), p.802-808 |
| issn | 0742-4787 1528-8897 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_29234313 |
| source | ASME Digital Collection Journals |
| subjects | Applied sciences Exact sciences and technology Friction, wear, lubrication Machine components Mechanical engineering. Machine design |
| title | Wear-Rate Uncertainty Analysis |
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