The creep fracture characteristics of nickel-base superalloy sheet samples
β Scribed by S. Floreen
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 388 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0013-7944
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The mechanical properties of a solution treated and double aged nickel -18% iron -18% chromium alloy (Inconel 718) were studied to assess its utility at temperatures in the ambient-to-cryogenic range. Uniaxial tensile property measurements using unnotched specimens at decreasing temperatures between
## Abstract Various heat treatments of the singleβcrystal nickelβbase superalloy SRR99 have been carried out to produce a wide range of initial Ξ³β² phase morphology. The cavitation damage has been studied after creep fracture at 850Β°C and stresses between 400MPa and 650 Mpa. The crep fracture surfac
A condition for destabilizing the raft structure has been deduced from elastic energy calculations with the concept of ''effective eigenstrain", where the effect of creep deformation is included in addition to the lattice mismatch. The calculations indicate that the 0 0 1 raft structure is stabilize