Work strengthening in a Fe-Ni-Co-Cr-Mo alloy
Journal Article
·
· Metallurgical Transactions, A
The effect of cold work on the mechanical properties and microstructure of an fcc Fe-Ni-Co-Cr--Mo alloy is discussed. In samples deformed up through 20%, strengthening is attributed to an increase in dislocation content. Greater deformation (48 and 75%) results in the formation of deformation twins which increase in density with cold working. The deformation twins contribute to the high yield strength (0.2% offset) of 154 kg/mm/sup 2/ which is attained in this alloy upon cold working (75% elongation). This hardening mechanism is in contrast with that reported to be operating in a similar fcc Co--Ni-Cr-Mo alloy in which strengthening is attributed to the formation of a deformation-induced fine hcp epsilon phase.
- Research Organization:
- International Nickel Co., Inc., Suffern, NY
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-027334
- OSTI ID:
- 4336659
- Journal Information:
- Metallurgical Transactions, A, Journal Name: Metallurgical Transactions, A Journal Issue: 4 Vol. 5; ISSN 0360-2133
- Publisher:
- ASM International
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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