Microstructure, deformation, and fracture characteristics of an Al67Pd8Ti25 intermetallic alloy View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1990-01

AUTHORS

W. O. Powers, J. A. Wert

ABSTRACT

Microstructure, indentation, and fracture characteristics of an intermetallic alloy with nominal composition Al67Pd8Ti25 have been investigated. Following a homogenization anneal at 1323 K, the material consists primarily of a phase having the Ll2 crystal structure. This phase is analogous to the π phase previously reported in (Al,X)3Ti alloys, where X represents Ni, Cu, Zn, or Fe substituted for Al in Al3Ti. The deformation and fracture characteristics of Al67Pd8Ti25 are similar to those previously reported for Al67Ni8Ti25: Vickers hardness is moderate, plastic deformation occurs by a0 «110» 111 slip, and fracture in bending occurs by transgranular cleavage with no evidence of associated plasticity. More... »

PAGES

145-151

References to SciGraph publications

  • 1978-04. Brittle fracture in iridium in METALLURGICAL TRANSACTIONS A
  • 1984. Electron Beam Analysis of Materials in NONE
  • 1982-12. The Al−Ni−Ti (Aluminum−Nickel−Titanium) system in BULLETIN OF ALLOY PHASE DIAGRAMS
  • 1983. Physics of Fracture in ATOMISTICS OF FRACTURE
  • 1987. Mechanics of Brittle Cracking of Crystal Lattices and Interfaces in CHEMISTRY AND PHYSICS OF FRACTURE
  • Journal

    TITLE

    Metallurgical Transactions A

    ISSUE

    1

    VOLUME

    21

    Author Affiliations

    Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf02656432

    DOI

    http://dx.doi.org/10.1007/bf02656432

    DIMENSIONS

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