FRACTURE BEHAVIOUR OF SiC WHISKER REINFORCED Al COMPOSITES

Acta Metall Sin

1989, Vol. 25

Issue (3): 113-118 DOI:

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FRACTURE BEHAVIOUR OF SiC WHISKER REINFORCED Al COMPOSITES

CAO Li;JIANG Chiping;YAO Zhongkai;LEI Tingquan Harbin Institute of Technology

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CAO Li;JIANG Chiping;YAO Zhongkai;LEI Tingquan Harbin Institute of Technology. FRACTURE BEHAVIOUR OF SiC WHISKER REINFORCED Al COMPOSITES. Acta Metall Sin, 1989, 25(3): 113-118.

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Abstract The dynamic tensile processes of silicon carbide whisker reinforced Alcomposite (SiC_w/Al) with 22% V_f have been in situ observed with a scanning elec-tron microscope equipped with a tension stand. The results show that a number ofmicrocracks have formed as the tensile stress goes up to 180--190 MPa. The fracturebehaviour of SiC_w/Al composites observed in this work has been explained theoretia-cally.

Key words: Composite materials fracture stress distribution SiC whiskers aluminum

Received: 18 March 1989

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1989/V25/I3/113

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