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.

引用

页数：15

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