期刊
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
卷 50A, 期 1, 页码 52-57出版社
SPRINGER
DOI: 10.1007/s11661-018-4998-0
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资金
- RPI Knowledge and Innovation Program
We study plastic deformation at triple junctions in columnar-grained nickel, where there is no out-of-plane grain constraint, under tension. In addition to orientation and slip trace analysis, we map surface topography and in-plane strains. Several local accommodation modes are observed, including the activation of relatively compatible slip systems that deviate from single crystal responses, change in slip intensity, out-of-plane relative rotation between grains across grain boundaries, and changes in lattice rotation towards the triple junction.
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