Density and Thermal Expansion of Magnesium-Calcium Alloys in Solid and Liquid States

被引：5
|
作者：
Abdullaev, Rasul N. [1 ]
Khairulin, Rashid A. [1 ]
Kozlovskii, Yurii M. [1 ]
Stankus, Sergei V. [1 ]
Agazhanov, Alibek Sh. [1 ]
机构：
[1] Siberian Branch Russian Acad Sci, Inst Thermophys, Lavrentyev Ave 1, Novosibirsk 630090, Russia
来源：
INTERNATIONAL JOURNAL OF THERMOPHYSICS | 2023年 / 44卷 / 05期
基金：
俄罗斯科学基金会;
关键词：
Dilatometric method; Density; Gamma-ray attenuation technique; Magnesium-calcium system; Thermal expansion; THERMODYNAMIC PROPERTIES; PHASE; CAMG2; OXIDE;
D O I：
10.1007/s10765-023-03187-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimental studies of the volumetric properties of the Mg2Ca intermetallic compound and eutectic magnesium-calcium alloys (with compositions of 10.5 and 73 at.% calcium) in the temperature range of 100 K to 1230 K of the solid and liquid states were carried out using the gamma-ray attenuation technique and the dilatometric method. Measurements of the density and volumetric thermal expansion coefficient of Mg-Ca melts, as well as the density change during melting-crystallization, were performed for the first time. The concentration dependences of the volumetric properties of the Mg-Ca system and approaches for calculating density and thermal expansion coefficients of promising magnesium-calcium alloys are proposed.
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收藏
页数：15
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