EFFECT OF IMPURITY, GRAIN SIZE, TEST TEMPERATURE, AND STRAIN RATE ON FRACTURE BEHAVIOR OF Ir AND Ir-0. 3% W ALLOY.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

Detail(s)

Original languageEnglish
Pages (from-to)1149-1153
Journal / PublicationDefault journal
Volume2
Publication statusPublished - 1976
Externally publishedYes

Conference

TitleInt Conf on Mech Behav of Mater, 2nd, Proc
Location
PlaceUnited States
CityBoston, Mass.
Period16 - 20 August 1976

Abstract

Iridium has an exceptionally high elastic modulus, critical resolved shear stress, and work hardening rate. It is the only face centered cubic metal known to exhibit a cleavage-type fracture at ambient temperature. Its deformation behavior has been investigated by various workers, and their results are inconsistent and are generally attributed to impurity effects. The paper reports on a study of deformation and fracture behavior of Ir, with particular emphasis on the effects and control of trace elements.