The Consistent Description of Crack Developing Process Based upon Cottrell' Pilling up of Dislocations Model

Abstract:

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The new concepts“crack nuclearation toughness”and “crack criterion number”given in this text were used for describing the different crack development steps and crack nuclearation critic condition and the fast developing critic condition of crack were suggested with them by means of Cottrellˊpiling up of dislocations model.The analysis pointed out that crack nuclearation toughness of brittle material is 1/2 of its fracture toughness and the criterion number of crack was a good parameter reflecting anti-crack toughness of material in crack developing process

Info:

Periodical:

Advanced Materials Research (Volumes 146-147)

Edited by:

Sihai Jiao, Zhengyi Jiang and Jinglong Bu

Pages:

1346-1349

DOI:

10.4028/www.scientific.net/AMR.146-147.1346

Citation:

A. M. Yang "The Consistent Description of Crack Developing Process Based upon Cottrell' Pilling up of Dislocations Model", Advanced Materials Research, Vols. 146-147, pp. 1346-1349, 2011

Online since:

October 2010

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$35.00

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