First Report of cylic grain boundary migration during high temperature fatigue
First Report of cylic grain boundary migration during high temperature fatigue
First observations of periodic markings associated with the migration of grain boundaries in a polycrystalline metal subjected to low cycle and high temperature fatigue are reported. High purity lead (99.9995%) which was further purified by reduction with H at 600/sup 0/C and then cast in low pressure H. During high temperature fatigue, markings from grain boundary migration show one-to-one correspondence with the number and pattern of cyclic loading. The distance migrated by a grain boundary in each cycle increases as the imposed frequency is decreased. Interferometry reveals a distinct and repetitive pattern across each grain boundary sliding in addition to the migration. (FS)
1191-1194
Langdon, Terence G
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Gifkins, R.C.
89339c6b-65b5-4161-9c08-96e43567421f
1979
Langdon, Terence G
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Gifkins, R.C.
89339c6b-65b5-4161-9c08-96e43567421f
Langdon, Terence G and Gifkins, R.C.
(1979)
First Report of cylic grain boundary migration during high temperature fatigue.
Scripta Metallurgica, 13 (12), .
(doi:10.1016/0036-9748(79)90281-3).
Abstract
First observations of periodic markings associated with the migration of grain boundaries in a polycrystalline metal subjected to low cycle and high temperature fatigue are reported. High purity lead (99.9995%) which was further purified by reduction with H at 600/sup 0/C and then cast in low pressure H. During high temperature fatigue, markings from grain boundary migration show one-to-one correspondence with the number and pattern of cyclic loading. The distance migrated by a grain boundary in each cycle increases as the imposed frequency is decreased. Interferometry reveals a distinct and repetitive pattern across each grain boundary sliding in addition to the migration. (FS)
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Published date: 1979
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Local EPrints ID: 497577
URI: http://eprints.soton.ac.uk/id/eprint/497577
PURE UUID: d4b8ea05-209b-46e1-8838-e1b26bd4f9de
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Date deposited: 27 Jan 2025 18:03
Last modified: 28 Jan 2025 02:38
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R.C. Gifkins
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