金属学报  1978, Vol. 14 Issue (2): 111-117

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(da)/(dN)与K_1间关系的探讨

陈篪

北京钢铁研究院

AN INVESTIGATION OF THE RELATION BETWEEN da/dN AND K_I

Chen Chi (Chen Chih) (Beijing Institute of Iron and Steel Research)

陈篪. (da)/(dN)与K_1间关系的探讨[J]. 金属学报, 1978, 14(2): 111-117.
. AN INVESTIGATION OF THE RELATION BETWEEN da/dN AND K_I[J]. Acta Metall Sin, 1978, 14(2): 111-117.

摘要 参考文献 相关文章 Metrics 全文: PDF(377 KB)   摘要: 本文证明我们所建议的关系: (da/dN)-C[(△K)~2-K_2~2/K_1~2-(△K)~2]~p能够很好地表达R=(K_(min)/K_(max))=常数时(da/dN)随△K的全部变化,其中P值在1左右,C约在3×10~(-3)—10~(-2)毫米/周之间。 Abstract：It is shown that the phenomenological relation da/dN=C[((△K)~2-K_2~2)/(K_1~2-(△K)~2)]~p proposed by us in 1974, agrees fairly well with existing experimental data giving the whole variation of da/dN with △K provided that R=K_(min)/K_(max) is kept constant, p are around unity and C≌3×10~(-3)—10~(-2)mm/cycle. 收稿日期: 1978-02-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 陈篪 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1978/V14/I2/111 [1] Cooke, R. J. and Beevers, C. J., Mater. Sci. Eng., 13 (1974) , № 3, 201． [2] 陈篪,未发表工作,(1974年)。 [3] 陈篪,力学,(1975) ,№ 3,124． [4] 陈篪等,用柔度法测定裂纹扩展速率,未发表,(1975年). [5] 陈篪等,压力容器用钢14MnMoNbB的断裂韧度及da/dN,未发表,(1976年). [6] 陈篪,裂纹扩展速率da/dN与K_1之间关系的探讨,未发表,(1977年)。 [7] Paris, P. C. et al., Amer. Soe. Test. Mater., Spec. Tech. Publ. № 513, (1972) , 141． [8] Knott, J. F., Fundamentals of Fracture Mechanics, Butterworths, London, 1973． [9] Barsom, J. M. et al., Eng. Fract. Mech., 2 (1971) , 301． [10] Richards, C. E. and Lindley, T. C., Eng. Fract. Mech., 4 (1972) , 811． [11] Clark, W. G. Jr., Met. Eng., 14 (1974) , № 3, 16． No related articles found! Viewed Full text Abstract Cited   Shared      Discussed