In situ nanobeam electron diffraction strain mapping of planar slip in stainless steel
Journal Article
·
· Scripta Materialia
- University of California, Berkeley, CA (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Austrian Academy of Sciences, Leoben (Austria)
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Nanobeam electron diffraction strain mapping has been used to measure the strain evolution in stainless steel under in situ deformation. As the amount of deformation increases, the leading dislocation of a planar slip band leaves behind a residual strain in the form of a small lattice expansion. Dislocation analysis confirmed that the dislocations involved were <011> type. Even though, the characteristic residual strain of planar slip has often been observed, it has never before been directly measured. Our conclusions provide a view into the dynamic mechanisms of planar slip, and showcase the possibilities of multidimensional in situ imaging.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; Austrian Science Fund (FWF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- AC02-05CH11231; J3397
- OSTI ID:
- 1506299
- Alternate ID(s):
- OSTI ID: 1496395
- Journal Information:
- Scripta Materialia, Vol. 146, Issue C; ISSN 1359-6462
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 27 works
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