Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112116
Citations
Scopus Web of Science® Altmetric
?
?
Full metadata record
DC FieldValueLanguage
dc.contributor.authorZhang, H.en
dc.contributor.authorZhu, H.en
dc.contributor.authorHuang, J.en
dc.contributor.authorLi, J.en
dc.contributor.authorXie, Z.en
dc.date.issued2018en
dc.identifier.citationMaterials Science and Engineering A, 2018; 719:140-146en
dc.identifier.issn0921-5093en
dc.identifier.issn1873-4936en
dc.identifier.urihttp://hdl.handle.net/2440/112116-
dc.descriptionAvailable online 01 February 2018en
dc.description.abstractTiB₂ particles (5 vol% and 10 vol%) reinforced NiAl matrix composites were fabricated in-situ from Ti-B-Ni-Al system by arc melting. The reaction mechanism and mechanical properties of the composites were studied. When the reaction system was heated to 917 K, Ni and Al reacted with Ti to form the transient phase AlNi₂Ti, which continued to react with B to yield ultrafine TiB₂ particles acting as reinforcement agent. The apparent activation energy for these two reactions were calculated and found to be 497.99 kJ/mol and 2354.78 kJ/mol, respectively. The reinforcement agent exerted dispersion strengthening effect on the matrix. The room temperature compressive strength of the composites reinforced by 10 vol% of TiB2 particles was determined to be 538.3 MPa, representing a 35.2% increase over NiAl alloy. To further refine the grain size, the rare earth element cerium (2 wt% and 4 wt%) was introduced to the composites. The compressive strength of the composites containing 4 wt% Ce was determined to be 571.1 MPa, representing a 43.5% increase over NiAl alloy.en
dc.description.statementofresponsibilityHeng Zhang, Heguo Zhu, Jiewen Huang, Jianliang Li, Zonghan Xieen
dc.language.isoenen
dc.publisherElsevier BVen
dc.rights© 2018 Elsevier B.V. All rights reserved.en
dc.subjectNiAl matrix composites; exothermic dispersion synthesis; reaction mechanism; rare earth element; mechanical propertiesen
dc.titleIn-situ TiB₂-NiAl composites synthesized by arc melting: Chemical reaction, microstructure and mechanical strengthen
dc.title.alternativeIn-situ TiB(2)-NiAl composites synthesized by arc melting: Chemical reaction, microstructure and mechanical strengthen
dc.typeJournal articleen
dc.identifier.rmid0030083716en
dc.identifier.doi10.1016/j.msea.2018.01.125en
dc.identifier.pubid399798-
pubs.library.collectionMechanical Engineering publicationsen
pubs.library.teamDS03en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Mechanical Engineering publications

Files in This Item:
There are no files associated with this item.


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.