An investigation of the early stages of fretting
| dc.contributor.advisor | Feng, I-Ming | |
| dc.contributor.author | Tighe, William F. | |
| dc.contributor.department | Naval Architecture and Marine Engineering | |
| dc.date.accessioned | 2012-10-10T19:59:35Z | |
| dc.date.available | 2012-10-10T19:59:35Z | |
| dc.date.issued | 1954-05-24 | |
| dc.description.abstract | The primary purpose of this investigatino was to determine the shape of the initial portion of the curve of fretting weight loss versus the number of cycles run. Previous work in the field has shown this curve to be concave downward over the initial portion. It ihas been proposed that the curve is actually concave upward over this portion, due to the fact that the abrasive action is presumably more violent than the shearing action. The conditions under which the tests were conducted, where chosen such that it was anticipated that the specimen weight loss would be relatively large over a short interval of time. The tests of mild steel specimens fretted against mild steel specimens were conducted under these conditions, varying the duration of test from 1 to 10,000 cycles The results of this investigation showed that the curve in question actually had a point of inflection in the portion under investigation. At the orifin, the curve was concave downward followed by a turn to concave upward. This result not only substantiated the initial proposal but also added some additional information which was not anticipated. | |
| dc.description.service | U.S. Coast Guard (U.S.C.G.) author. | en_US |
| dc.description.uri | http://archive.org/details/aninvestigationo1094514320 | |
| dc.identifier.oclc | ocn640293200 | |
| dc.identifier.uri | https://hdl.handle.net/10945/14320 | |
| dc.language.iso | en_US | |
| dc.publisher | Massachusetts Institute of Technology | en_US |
| dc.subject.lcsh | Naval architecture | en_US |
| dc.title | An investigation of the early stages of fretting | en_US |
| dc.type | Thesis | en_US |
| dspace.entity.type | Publication | |
| etd.thesisdegree.discipline | Naval Engineering | en_US |
| etd.thesisdegree.grantor | Massachusetts Institute of Technology | en_US |
| etd.thesisdegree.level | Professional Degree | en_US |
| etd.thesisdegree.name | Degree of Naval Engineer | en_US |
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