严超华, 李禾, 李仁增, 况森保, 张行安, 刘绍伦. 云纹干涉法测定高温材料弹性模量及泊松比的研究[J]. 南昌航空大学学报(自然科学版), 1999, 13(4): 44-49.
引用本文: 严超华, 李禾, 李仁增, 况森保, 张行安, 刘绍伦. 云纹干涉法测定高温材料弹性模量及泊松比的研究[J]. 南昌航空大学学报(自然科学版), 1999, 13(4): 44-49.
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Yan Chaohua, Li He, Li Renzeng, Kuang Senbao, Zhang Xingan, Liu Shaolun. Development of Measuring Young’s Modulus and Poisson Ratio for High-temperature Material by Moire Interferometry[J]. Journal of nanchang hangkong university(Natural science edition), 1999, 13(4): 44-49.
Citation: Yan Chaohua, Li He, Li Renzeng, Kuang Senbao, Zhang Xingan, Liu Shaolun. Development of Measuring Young’s Modulus and Poisson Ratio for High-temperature Material by Moire Interferometry[J]. Journal of nanchang hangkong university(Natural science edition), 1999, 13(4): 44-49.
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云纹干涉法测定高温材料弹性模量及泊松比的研究

Development of Measuring Young’s Modulus and Poisson Ratio for High-temperature Material by Moire Interferometry

    摘要
  • 摘要: 分析了激光云纹干涉测量高温材料弹性模量和泊松比的可行性,当测量区域的尺寸大小相同时,云纹干涉法的测量灵敏度高于双表式引伸计的测量灵敏度。本文的试验采用国产铝基碳化硅材料,复制了硅橡胶正交栅,在350℃及其以下的温度环境中试验结果较理想。

     

    Abstract: Analysis is made on the feasibility of measuring Young's modulus and Poisson's ratio for high-temperature material by moirè interferometry.Measuring sen sitivity of moirè interferometry is higher than that of extensometer,if the mea surea area of moirè interferometry is equal to that of extensometer. Aluminium-carborundum is applied in the test.Silastic grating is copied on the te st specimen.The test result is ideal while temperature is not higher than 350℃.

     

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