MEASUREMENTS OF THERMAL CONDUCTIVITY AND SPECIFIC HEAT OF A DILUTE SOLUTION Ni-0. 12 AT. % Cr.

被引：0
|
作者：
Okaz, Ali M. [1 ]
El-Osairy, Mohamed [1 ]
Mahmoud, Naima S. [1 ]
机构：
[1] Alexandria Univ, Alexandria, Egypt, Alexandria Univ, Alexandria, Egypt
来源：
Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques | 1988年 / 79卷 / 06期
关键词：
ELECTRIC MEASUREMENTS - Voltage - FERROMAGNETIC METALS - Thermodynamic Properties - SOLID SOLUTIONS - Thermal Conductivity - SPECIFIC HEAT - Solids;
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摘要：
A method for measuring the thermal characteristics of a dilute solid solution of Ni-0. 12 at. %Cr up to 640 K is developed. The method of determining the thermal conductivity depends upon a relation between the maximum temperature ( THETA //m) attained for a given current and the potential difference in a current-carrying specimen. For the measurement of the specific heat, a homogeneous constant Joule heating is imposed. The initial slope of the rise of THETA //m as a function of time is inversely proportional to heat capacity regardless of heat losses. The experimental results are compared in terms of general behavior with the data for similar ferromagnetic materials.
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页码：413 / 416
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