INTERPHASE BOUNDARY SLIDING AND FRACTURE OF LAMELLAR Al-CuAl//2 COMPOSITE AT HIGH TEMPERATURES.

T. Watanabe, Y. Sato, H. Kanda, S. Karashima

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Interphase boundary sliding and fracture, and the effect of different types of growth faults on the processes have been studied microscopically on the lamellar Al-CuAl//2 composite. It has been shown that sliding can occur at every two interphase boundaries, probably originating from a special structural feature of interphase boundaries in the eutectic alloy composite. It has also been demonstrated that extensive interphase boundary sliding can occur being associated with the presence of growth faults such as lamellar termination and ripple or misfit boundary. We may consider that the localized sliding very likely introduces the bending stress which facilitates the fracture of brittle CuAl//2 ( THETA ) layer controlling the ductility and fracture of the composite. It is concluded that the presence of growth faults is an important key factor controlling interphase boundary sliding and fracture of the lamellar Al-CuAl//2 eutectic composite at high temperatures.

Original languageEnglish
Title of host publicationUnknown Host Publication Title
PublisherPergamon Press (International Series on the Strength and Fracture of Materials and Structures)
Pages1503-1508
Number of pages6
ISBN (Print)0080316409
Publication statusPublished - 1986 Dec 1

Publication series

Name
Volume2

ASJC Scopus subject areas

  • Engineering(all)

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