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使用亚秒级脉冲加热技术对锆中→相变的热力学研究。

Thermodynamic Studies of the → Phase Transformation in Zirconium Using a Subsecond Pulse Heating Technique.

作者信息

Cezairliyan A, Righini F

机构信息

Institute for Materials Research, National Bureau of Standards, Washington, D.C. 20234.

出版信息

J Res Natl Bur Stand A Phys Chem. 1975 Jan-Feb;79A(1):81-84. doi: 10.6028/jres.079A.004.

DOI:10.6028/jres.079A.004
PMID:32184501
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6565425/
Abstract

Measurements of the temperature and energy of the → phase transformation, and the electrical resistivity near and at the transformation point of zirconium using a subsecond duration pulse heating technique are described. The results yield 1147 K for the transformation temperature and 3980 J · mol for the transformation energy. Electrical resistivity is found to decrease by 17 percent during the transformation. Estimated inaccuracies of the measured properties are: 10 K for the transformation temperature, 5 percent for the transformation energy, and 2 percent for the electrical resistivity.

摘要

描述了使用亚秒级持续时间脉冲加热技术测量锆相变的温度和能量以及相变点附近和相变点处的电阻率。结果得出相变温度为1147 K，相变能量为3980 J·mol。发现电阻率在相变过程中降低了17%。所测性质的估计误差为：相变温度10 K，相变能量5%，电阻率2%。

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High-Speed (Subsecond) Measurement of Heat Capacity, Electrical Resistivity, and Thermal Radiation Properties of Molybdenum in the Range 1900 to 2800 K.
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