The 500 °C Isothermal Section of the Mn-Si-Sn Ternary System

被引：0
作者：
Peng, Haoping [1 ,2 ,3 ]
Zhai, Lei [2 ]
Jiang, Shuai [1 ]
Zhu, Ze [1 ]
Liu, Ya [1 ,3 ]
Su, Xuping [1 ,3 ]
机构：
[1] Changzhou Univ, Key Lab Mat Surface Sci & Technol Jiangsu Prov, Changzhou 213164, Jiangsu, Peoples R China
[2] Changzhou Univ, Jiangsu Key Lab Oil & Gas Storage & Transportat T, Changzhou 213164, Jiangsu, Peoples R China
[3] Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Jiangsu, Peoples R China
来源：
JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION | 2020年 / 41卷 / 06期
基金：
美国国家科学基金会;
关键词：
intermetallics; Mn-Si-Sn; phase equilibria; THERMODYNAMIC DESCRIPTION; SELECTIVE OXIDATION; CRYSTAL-STRUCTURE; PHASE-EQUILIBRIA; GE-MN; STEEL; MANGANESE; LIQUID; ZN;
D O I：
10.1007/s11669-020-00842-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Mn and Si are common elements in steel and have an important influence on the performance of steel. To analyze the intermetallic compounds formed in tin-base solder welding process, the Mn-Si-Sn alloys were prepared and annealed at 500 degrees C for 30 days. The phase equilibria in the Mn-Si-Sn system at 500 degrees C were studied by electron microscopy equipped with energy-dispersive spectrometry and x-ray diffraction. 12 three-phase regions were well determined in the Mn-Si-Sn system at 500 degrees C, and no ternary compound was found. The binary compound Mn5Si2, which is controversial in the literature, was not observed in the present study. Mn2-xSn (Mn1.8Sn) and Mn3Sn2 phases were detected by XRD rather than the Mn2Sn phase in this work. The solubility of Si in Mn3Sn, Mn2-xSn, Mn3Sn2, and MnSn2 was measured to be 0.7, 1.2, 1.2, and 0.4 at.%, respectively. And the Sn solubility in R-Mn6Si, upsilon-Mn9Si2, Mn3Si, MnSi, Mn11Si19 at 500 degrees C is about 0.9, 0.5, 0.3, 0.3 and 0.2 at.%, respectively.
引用
收藏
页码：835 / 845
页数：11
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