Temperature Dependence of Elastic Constants of Vitreous Silica

DOI Web Site Web Site 被引用文献11件

書誌事項

公開日
1962-08
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1111/j.1151-2916.1962.tb11177.x
公開者
Wiley

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説明

<jats:p>The relation between the elastic moduli and temperature from room temperature to about 1300°C was determined for a group of vitreous silica specimens by a dynamic resonance method. All the curves were approximately parabolic in shape, reaching a maximum near 1050° to 1200°C. At the maximum value, Young's modulus was more than 11% higher and the shear modulus was about 9% higher than their room‐temperature values. Poisson's ratio was then computed to rise from about 1/6 at room temperature to about 1/5 at the temperature of maximum elastic modulus. Small but significant differences were observed in the temperature‐modulus curves for specimens from different sources. These differences were found to be related to differences in the infrared transmission curves.</jats:p>

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