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  • 标题:Uncertainties in the Measurements in Differential Scanning Calorimeter and Thermomechanical Analyser
  • 本地全文:下载
  • 作者:K. Kishore ; V. Gayathri
  • 期刊名称:Defence Science Journal
  • 印刷版ISSN:0976-464X
  • 出版年度:2014
  • 卷号:31
  • 期号:1
  • 页码:63-71
  • DOI:10.14429/dsj.31.6342
  • 语种:English
  • 出版社:Defence Scientific Information & Documentation Centre
  • 摘要:Reproducibility of the output signal in Differential Scanning Calorimeter has been examined in detail. The ordinate calibration factor has been found to diminish at higher temperatures. Calibration factor for enthalpy output has also been evaluated. A procedure for calibrating the area by the proper selection of the base-line for both scanning and isothermal modes of operation has been described. This factor has largely been ignored in the papers published so far. And also the assessment of the performance of Thermomechanical analyser has been done by using AI as expansion standard varying heating rate, sensitivity and load. A simple method for the determination Youngs modulus at room temperature using TMA is also given.
  • 关键词:TMA;Youngs modulus;Isothermal modes;Enthalpy output;Calibration factor
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