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Elasticity modulus, hardness and fracture toughness of Ni3Sn4 intermetallic thin films.

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Elasticity modulus, hardness and fracture toughness of Ni3Sn4 intermetallic thin films.

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dc.contributor.author Chen, Zhong.
dc.contributor.author He, Min.
dc.contributor.author Balakrisnan, Bavani.
dc.contributor.author Chum, Chan Choy.
dc.date.accessioned 2012-05-28T03:41:43Z
dc.date.available 2012-05-28T03:41:43Z
dc.date.copyright 2006
dc.date.issued 2012-05-28
dc.identifier.citation Chen, Z., He, M., Balakrisnan, B., & Chum, C. C. (2006). Elasticity modulus, hardness and fracture toughness of Ni3Sn4 intermetallic thin films. Materials Science and Engineering A, 423(1-2), 107-110.
dc.identifier.uri http://hdl.handle.net/10220/8147
dc.description.abstract Intermetallic compounds (IMCs) are present in microelectronic solder interconnects as a result of interfacial reaction between the solder and the metallization materials. Their mechanical properties are of great interest for the prediction of joint reliability of electronic packages. In this work, thin film Ni3Sn4 IMCs were formed by co-sputtering of Sn and Ni, followed by annealing at different temperatures. Elasticity modulus and hardness of the films were investigated by nano-indentation. It was found that measured hardness decreased with increasing residual tensile stress in the film. The elasticity modulus of the Ni3Sn4 thin films was measured to be around 134 GPa by nano-indentation. The fracture toughness of these Ni3Sn4 thin films varied considerably with the annealing temperature. It ranged from 2.11 ± 0.15 MPa m1/2 for 100 °C annealing to 5.75 ± 0.25 MPa m1/2 for 200 °C annealing. Densification during annealing is believed to be the cause of the increase in toughness.
dc.format.extent 16 p.
dc.language.iso en
dc.relation.ispartofseries Materials science and engineering A
dc.rights © 2006 Elsevier. This is the author created version of a work that has been peer reviewed and accepted for publication by Materials Science and Engineering A, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.msea.2005.12.038]."
dc.subject DRNTU::Engineering::Materials.
dc.title Elasticity modulus, hardness and fracture toughness of Ni3Sn4 intermetallic thin films.
dc.type Journal Article
dc.contributor.school School of Materials Science and Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.msea.2005.12.038
dc.description.version Accepted version

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