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On the significance of environment in thermal fatigue of a unidirectional scs-6/ti-24al-11nb metal matrix composite M. Okazaki, H. Nakatani

ASTM Symposia Papers Available online

ASTM Symposia Papers
Format:
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Contributor:
Language:
English
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Physical Description:
1 online resource (17 pages) illustrations, figures, tables
Place of Publication:
West Conshohocken, Pa. ASTM International 2000
Summary:
Thermal Fatigue tests of a Ti-24Al-11Nb matrix composite unidirectionally reinforced with SiC fiber, SCS-6/Ti-24Al-11Nb, have been carried out without external load in air and in vacuum, under various thermal cycling conditions. The following characteristics of the material subjected to thermal fatigue and isothermal exposure were investigated: (i) crack nucleation and the change in density with thermal cycling; (ii) change of the fiber/matrix interface morphology by means of Electron Probe Micro Analyzer and Scanning Electron Microscope; (iii) change of the interfacial shear strength by fiber push-out tests, and (iv) effect of environment on the properties from (i) to (iii). Methodologies are also proposed for the characterization of damage due to thermal fatigue
Notes:
  • Includes bibliographical references
  • Online resource; title from publisher's website, viewed March 19, 2017
Related Work:
American Society for Testing and Materials. Selected Technical Papers

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