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Pre-Cracking Technique and its Application to X-Ray Fractography of Alumina Ceramics
Published online by Cambridge University Press: 06 March 2019
Extract
X–ray fractography is a new method utilizing the X–ray diffraction technique to observe the fracture surface for the analysis of the micromechanisms and mechanics of fracture.
In the present study, X–ray fractography was applied to brittle fracture of alumina ceramics. The first part deals with our new method of pre–cracking of ceramics. Pre–cracking was introduced to a singleedge notched specimen by longitudinal compression. Then the fracture toughness tests were conducted with pre–cracked specimens as well as notched ones. The effect of the notch radius on the fracture–toughness value was determined. The second part describes the result of X–ray fractography.
- Type
- III. X-Ray Stress/Strain Determination, Fractography, Diffraction, Line Broadening Analysis
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- Copyright © International Centre for Diffraction Data 1987
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