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ASM Failure Analysis Case Histories: Failure Modes and Mechanisms最新文献

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Fatigue Fracture and Weld 疲劳断裂与焊接
ASM Failure Analysis Case Histories: Failure Modes and Mechanisms Pub Date : 2019-06-01 DOI: 10.31399/asm.fach.modes.c9001152
F. Naumann, F. Spies
{"title":"Fatigue Fracture and Weld","authors":"F. Naumann, F. Spies","doi":"10.31399/asm.fach.modes.c9001152","DOIUrl":"https://doi.org/10.31399/asm.fach.modes.c9001152","url":null,"abstract":"Thermal and transformation stresses, resulting from welding, adding up with operational stresses can result in failure. Examples involving the crankshaft of a shaft-drive to produce artificial waves in a swimming pool, the joint bar of a dredger cast out of a running non-alloyed steel with 39 kg/sq mm tensile strength, which had been strengthened by welding plate strips on both sides had fractured in service; an axle tube out of 40 Mn 4 after DIN 17 200 from a paper fabrication machine, which had three short longitudinal slits distributed uniformly over its surface; welding to repair worn out bearing or fits, and a broken rear axle tube of a bus are described.","PeriodicalId":231268,"journal":{"name":"ASM Failure Analysis Case Histories: Failure Modes and Mechanisms","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115111987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Uniform Corrosion of Copper Piping Caused by Microbiological Attack 微生物腐蚀引起的铜管均匀腐蚀
ASM Failure Analysis Case Histories: Failure Modes and Mechanisms Pub Date : 2019-06-01 DOI: 10.31399/asm.fach.modes.c0091293
{"title":"Uniform Corrosion of Copper Piping Caused by Microbiological Attack","authors":"","doi":"10.31399/asm.fach.modes.c0091293","DOIUrl":"https://doi.org/10.31399/asm.fach.modes.c0091293","url":null,"abstract":"\u0000 Copper piping in a closed-loop water heater system was found to be corroded with MIC and erosion of the weak oxide layer. Investigation (visual inspection, bacterial corrosion cultures, and 20x/400x micrographs) supported the conclusion that the corrosion was caused by microbiological attack, specifically sulfur-reducing bacteria. No recommendations were made.","PeriodicalId":231268,"journal":{"name":"ASM Failure Analysis Case Histories: Failure Modes and Mechanisms","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133175599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pitting of 3003 Aluminum 3003铝的点蚀
ASM Failure Analysis Case Histories: Failure Modes and Mechanisms Pub Date : 1996-12-31 DOI: 10.31399/asm.fach.modes.c9001691
R. Lee
{"title":"Pitting of 3003 Aluminum","authors":"R. Lee","doi":"10.31399/asm.fach.modes.c9001691","DOIUrl":"https://doi.org/10.31399/asm.fach.modes.c9001691","url":null,"abstract":"\u0000 The Advanced Photon Source (APS) is a state-of-the-art synchrotron light source. The storage ring vacuum chamber is fabricated from 6061 extruded aluminum. Water connections to the vacuum chambers that were fabricated from 3003 aluminum had developed water leaks, which were subsequently remedied after considerable investigations.","PeriodicalId":231268,"journal":{"name":"ASM Failure Analysis Case Histories: Failure Modes and Mechanisms","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121426570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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