Publication Date:
2019-07-13
Description:
A study was undertaken to identify the mechanisms of mechanical property degradation in a Borsic (silicon-carbide coated boron) fiber reinforced Ti-3Al-2.5V composite exposed to elevated temperature. Samples containing 0.45 volume fraction of fibers were exposed, in vacuum, to temperatures from 700 K to 1255 K for times up to 240 hours. Room temperature tensile properties of unidirectional material were determined in both the longitudinal and transverse directions, before and after high-temperature exposure. Electron micro-probe analysis, scanning electron microscopy, and X-ray diffraction were used to determine the compounds formed and the extent of interaction between the boron, SiC coating, and matrix materials.
Keywords:
COMPOSITE MATERIALS
Type:
The enigma of the eighties: Environment, economics, energy; Twenty-fourth National Symposium and Exhibition; May 08, 1979 - May 10, 1979; San Francisco, CA
Format:
text
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