西南石油大学学报(自然科学版) ›› 1982, Vol. 4 ›› Issue (1): 86-93.DOI: 10.3863/j.issn.1000-2634.1982.01.008

• 论文 • 上一篇    

单参数面积法—对应力强度因子的光弹性测试探讨

唐俊才 吾用明   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1982-02-20 发布日期:1982-02-20

A SINGLE-PARAMETER AREA METHOD—INVESTIGATION ON PHOTOELASTIC DETERMINATION OF STRESS INTENSITY FACTORS

Tang Juncai Wu Yongmin   

  • Received:1900-01-01 Revised:1900-01-01 Online:1982-02-20 Published:1982-02-20

摘要: 本文提出光弹性测定应力强度因子的单参数面积法,其特点是测取裂纹尖端等色线所包围的面积,并以此为参数来确定应力强度因子。用本公式计算KⅠ,数据比较稳定,最大偏差在6%以内。用同样的原理也可以测混合型应力强度因子(KI-KⅡ)。

Abstract: The aim of the present paper is to study photoelastic determination of stress intensity factors by means of measuring the area ringed by an isochromate near the end of a crack. Using our method, we have obtained some stress intensity factors for type Ⅰ and mixed type I-Ⅱ. The results keep stable, with errors less than 6%.