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    陈铮培, 管大椿, 张德懿, 段迺琴. 紧凑拉伸试件应力强度因子KI的测定[J]. 北京工业大学学报, 1981, 7(2): 50-56.
    引用本文: 陈铮培, 管大椿, 张德懿, 段迺琴. 紧凑拉伸试件应力强度因子KI的测定[J]. 北京工业大学学报, 1981, 7(2): 50-56.
    shu
    Chen Zheng-pei, Guan Da-chun, Zhang De-yi, Duan Nai-qin. The Determination of Stress-Intensity Factors KI for Compact-Tension Specimens[J]. Journal of Beijing University of Technology, 1981, 7(2): 50-56.
    Citation: Chen Zheng-pei, Guan Da-chun, Zhang De-yi, Duan Nai-qin. The Determination of Stress-Intensity Factors KI for Compact-Tension Specimens[J]. Journal of Beijing University of Technology, 1981, 7(2): 50-56.
    shu

    紧凑拉伸试件应力强度因子KI的测定

    The Determination of Stress-Intensity Factors KI for Compact-Tension Specimens

      摘要
    • 摘要: 对紧凑拉伸试件用光弹性实验法测定了K1。人工制作模拟裂纹,由等差线得到最大剪应力值,根据泰勒级数修正法用最小二乘方原理确定K1的实验值,其精度符合工程要求。

       

      Abstract: Stress-intensity Factor KI value for specimens of Compact-tension was determined by photoelastic technique. The simulated cracks of specimens were made manually. The maximum shearing stress was obtained from isochromatic fringe. The experimental values KI were determined by the Taylor series correction method (TSCM) on the principle of least square. This accuracy meets the requirements of engineering problems.

       

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