A NEW FRACTURE CRITERION FOR ELASTIC—PLASTIC INITIATION OF THE SURFACE CRACK

Chin J Mater Res

1989, Vol. 3

Issue (1): 38-46 DOI:

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A NEW FRACTURE CRITERION FOR ELASTIC—PLASTIC INITIATION OF THE SURFACE CRACK

YANG Fangyu SUN Liankui (Dalian University of Technology)

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YANG Fangyu SUN Liankui (Dalian University of Technology). A NEW FRACTURE CRITERION FOR ELASTIC—PLASTIC INITIATION OF THE SURFACE CRACK. Chin J Mater Res, 1989, 3(1): 38-46.

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Abstract The elastie-pla(?)stic fracture of pressure vessel steels is a processfrom initiation to stable propagation and to unstable fracture.To study anddesoribe this complex process quantitatively has been one of the importantproblems of engineering fracture mec

Key words: crack initiation surface crack mouth opening displacement rate pressure vessel and piping fracture toughness

Received: 25 February 1989

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