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Conference Paper: Adhesion in NiAl-Cr from first principles
Title | Adhesion in NiAl-Cr from first principles |
---|---|
Authors | |
Issue Date | 1995 |
Citation | Materials Research Society Symposium - Proceedings, 1995, v. 409, p. 177-182 How to Cite? |
Abstract | We have calculated the work of adhesion (i.e. energy for rigid fracture) and peak interfacial stress for NiAl, Cr, and NiAl-Cr using self-consistent density functional calculations to obtain the complete energy vs. separation curve for each system. Our calculations indicate that the work of adhesion is largest for Cr and smallest for NiAl while those for interfaces of NiAl with Cr are intermediate. We have also estimated that segregation processes could alter the work of adhesion for the AlNi/Cr interface by up to 20% since Al tends to segregate to the free NiAl surface while Ni tends to segregate to the AlNi/Cr interface. |
Persistent Identifier | http://hdl.handle.net/10722/303144 |
ISSN | 2019 SCImago Journal Rankings: 0.114 |
DC Field | Value | Language |
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dc.contributor.author | Raynolds, James E. | - |
dc.contributor.author | Smith, John R. | - |
dc.contributor.author | Srolovitz, David J. | - |
dc.contributor.author | Zhao, G. L. | - |
dc.date.accessioned | 2021-09-15T08:24:43Z | - |
dc.date.available | 2021-09-15T08:24:43Z | - |
dc.date.issued | 1995 | - |
dc.identifier.citation | Materials Research Society Symposium - Proceedings, 1995, v. 409, p. 177-182 | - |
dc.identifier.issn | 0272-9172 | - |
dc.identifier.uri | http://hdl.handle.net/10722/303144 | - |
dc.description.abstract | We have calculated the work of adhesion (i.e. energy for rigid fracture) and peak interfacial stress for NiAl, Cr, and NiAl-Cr using self-consistent density functional calculations to obtain the complete energy vs. separation curve for each system. Our calculations indicate that the work of adhesion is largest for Cr and smallest for NiAl while those for interfaces of NiAl with Cr are intermediate. We have also estimated that segregation processes could alter the work of adhesion for the AlNi/Cr interface by up to 20% since Al tends to segregate to the free NiAl surface while Ni tends to segregate to the AlNi/Cr interface. | - |
dc.language | eng | - |
dc.relation.ispartof | Materials Research Society Symposium - Proceedings | - |
dc.title | Adhesion in NiAl-Cr from first principles | - |
dc.type | Conference_Paper | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1557/PROC-409-177 | - |
dc.identifier.scopus | eid_2-s2.0-0029735968 | - |
dc.identifier.volume | 409 | - |
dc.identifier.spage | 177 | - |
dc.identifier.epage | 182 | - |