Effect of Li, He and Ca on grain boundary cohesive strength in Ni

Richard W. Smith; W. T. Geng; Clint B. Geller; R. Wu; Arthur J. Freeman

doi:10.1016/S1359-6462(00)00521-2

Effect of Li, He and Ca on grain boundary cohesive strength in Ni

Richard W. Smith, W. T. Geng, Clint B. Geller, R. Wu, Arthur J. Freeman

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

Computational results are presented indicating that atom for atom, lithium is four times and helium is eight times more embrittling in a nickel GB than hydrogen. The results also imply that both species must be considered when attempting to determine conditions under which embrittlement would be expected and that models describing the transport of both species in and around the grain boundaries are needed.

Original language	English (US)
Pages (from-to)	957-961
Number of pages	5
Journal	Scripta Materialia
Volume	43
Issue number	10
DOIs	https://doi.org/10.1016/S1359-6462(00)00521-2
State	Published - Oct 30 2000

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/S1359-6462(00)00521-2

Cite this

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abstract = "Computational results are presented indicating that atom for atom, lithium is four times and helium is eight times more embrittling in a nickel GB than hydrogen. The results also imply that both species must be considered when attempting to determine conditions under which embrittlement would be expected and that models describing the transport of both species in and around the grain boundaries are needed.",

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AU - Smith, Richard W.

AU - Geng, W. T.

AU - Geller, Clint B.

AU - Wu, R.

AU - Freeman, Arthur J.

PY - 2000/10/30

Y1 - 2000/10/30

N2 - Computational results are presented indicating that atom for atom, lithium is four times and helium is eight times more embrittling in a nickel GB than hydrogen. The results also imply that both species must be considered when attempting to determine conditions under which embrittlement would be expected and that models describing the transport of both species in and around the grain boundaries are needed.

AB - Computational results are presented indicating that atom for atom, lithium is four times and helium is eight times more embrittling in a nickel GB than hydrogen. The results also imply that both species must be considered when attempting to determine conditions under which embrittlement would be expected and that models describing the transport of both species in and around the grain boundaries are needed.

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Effect of Li, He and Ca on grain boundary cohesive strength in Ni

Abstract

ASJC Scopus subject areas

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