An approximate expression of KImax for sphere/nozzle corner cracks

Y. Xu; Y. Xu

doi:10.1016/0308-0161(95)00025-9

An approximate expression of K_Imax for sphere/nozzle corner cracks

Y. Xu
, Y. Xu

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Based on the flat-nozzle model loaded by uniform biaxial tension, using the O-integral of the weight function method and introducing suitable free-surface correcting factors M, M, and a curvature correcting factor M, an approximate expression of K of sphere/nozzle circular corner cracks has been presented in this paper. The results so calculated are compared with those reported in the literatures and they show good agreement, the discrepancies being less than 10%. This shows that the approximate expression is effective and can be used in practice.

Original language	English
Pages (from-to)	273-278
Number of pages	6
Journal	International Journal of Pressure Vessels and Piping
Volume	67
Issue number	3
DOIs	https://doi.org/10.1016/0308-0161(95)00025-9
Publication status	Published - 1 Aug 1996

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10.1016/0308-0161(95)00025-9

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title = "An approximate expression of KImax for sphere/nozzle corner cracks",

abstract = "Based on the flat-nozzle model loaded by uniform biaxial tension, using the O-integral of the weight function method and introducing suitable free-surface correcting factors M, M, and a curvature correcting factor M, an approximate expression of K of sphere/nozzle circular corner cracks has been presented in this paper. The results so calculated are compared with those reported in the literatures and they show good agreement, the discrepancies being less than 10\%. This shows that the approximate expression is effective and can be used in practice.",

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AU - Xu, Y.

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N2 - Based on the flat-nozzle model loaded by uniform biaxial tension, using the O-integral of the weight function method and introducing suitable free-surface correcting factors M, M, and a curvature correcting factor M, an approximate expression of K of sphere/nozzle circular corner cracks has been presented in this paper. The results so calculated are compared with those reported in the literatures and they show good agreement, the discrepancies being less than 10%. This shows that the approximate expression is effective and can be used in practice.

AB - Based on the flat-nozzle model loaded by uniform biaxial tension, using the O-integral of the weight function method and introducing suitable free-surface correcting factors M, M, and a curvature correcting factor M, an approximate expression of K of sphere/nozzle circular corner cracks has been presented in this paper. The results so calculated are compared with those reported in the literatures and they show good agreement, the discrepancies being less than 10%. This shows that the approximate expression is effective and can be used in practice.

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U2 - 10.1016/0308-0161(95)00025-9

DO - 10.1016/0308-0161(95)00025-9

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JO - International Journal of Pressure Vessels and Piping

JF - International Journal of Pressure Vessels and Piping

IS - 3

ER -

An approximate expression of K_Imax for sphere/nozzle corner cracks

Abstract

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