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A Review of Strain ...
A Review of Strain Age Cracking in Nickel Based Superalloys
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- Hanning, Fabian, 1988 (författare)
- Chalmers University of Technology, Department of Materials and Manufacturing Technology, Gothenburg, Sweden,Chalmers tekniska högskola
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- Andersson, Joel (författare)
- Högskolan Väst,Avdelningen för svetsteknologi (SV),PTW
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(creator_code:org_t)
- Lund : Swedish Production Academy, 2016
- 2016
- Engelska.
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Ingår i: The 7th International Swedish Production Symposium, SPS16, Conference Proceedings. - Lund : Swedish Production Academy. ; , s. 1-7
- Relaterad länk:
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http://www.sps16.se
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visa fler...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- This paper reviews the literature with emphasis on strain age cracking, a cracking phenomenon that can occur during welding or heat treatment of precipitation hardening superalloys. The influence of chemical composition in terms of e.g. hardening elements and impurities, microstructure of base material and weld zone, precipitation-induced stress development, welding heat input, restraint and post weld heat treatment (PWHT) conditions is discussed and related to the cracking susceptibility of different nickel based superalloys. Furthermore, an overview on available testing methods is presented and scrutinized. As of now, neither a standardized nor universally applicable procedure is available where the now existing tests generally can be divided into two groups; procedures representing actual welds usually providing qualitative comparisons under specified conditions, and simulative tests like those based on the Gleeble® system which can provide fundamental insight into the ongoing mechanisms.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
Nyckelord
- Strain age cracking
- weld cracking
- nickel based superalloys
- Manufacturing and materials engineering
- Produktions- och materialteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)