Determination of Fracture Toughness for Whisker-Reinforced Aluminium Alloy Matrix Composite using Chevron-Notched Specimen

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概要

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• The objectives of this paper are to develop and standardize the plane-strain fracture toughness K_<IC> testing of whisker- and short-fiber-reinforced metal matrix composites. Fracture toughness tests using chevron-notched bend-type specimen were conducted on silicon carbide whisker-reinforced high-strength aluminium alloy matrix composite. Some problems in determining a valid K_<IC> were discussed on the basis of linear-elastic fracture mechanics and fractography. It is reconfirmed that the chevron-notched (CN) method is useful for whisker-reinforced aluminium alloy matrix composite to evaluate K_<IC> value. The effects of specimen orientation and loading type on K_<IC> were investigated, and a statistical analysis of the K_<IC> distribution was also performed.

• 一般社団法人日本機械学会の論文
• 1991-04-15

著者

• Hirano Kazumi

  Mechanical Engineering Laboratory

関連論文

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• Determination of Fracture Toughness for Whisker-Reinforced Aluminium Alloy Matrix Composite using Chevron-Notched Specimen
• Characteristics of Static and Fatigue Strength of Alumina Ceramic Joints

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