SIZE REQUIREMENT FOR K_(1c) MEASUREMENT

Chin J Mater Res

1991, Vol. 5

Issue (4): 362-367 DOI:

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SIZE REQUIREMENT FOR K_(1c) MEASUREMENT

BAO Yiwang JIN Zongzhe (China Building Materials Academy)

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BAO Yiwang JIN Zongzhe (China Building Materials Academy). SIZE REQUIREMENT FOR K_(1c) MEASUREMENT. Chin J Mater Res, 1991, 5(4): 362-367.

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Abstract In this paper,it is discovered that the basic hypothesis of fracture mechanics,K_(1c)=σ_f(ay)~(1/2) being a constant,is untenable when the crack size is smaller than certain val-ue which related to the material behavior.Thus,the measuring results with sma

Key words: size requirement fracture toughness SENB method

Received: 25 August 1991

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