Grain Boundary Wetting by a Second Solid Phase in Ti-Fe Alloys

A. S. Gornakova; B. B. Straumal; A. N. Nekrasov; A. Kilmametov; N. S. Afonikova

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Grain Boundary Wetting by a Second Solid Phase in Ti-Fe Alloys

机译：在Ti-Fe合金中第二固相润湿晶粒边界

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The microstructure of Ti-Fe polycrystals has been studied between 595 and 815?°C in the concentration interval between 1 and 9?wt.% Fe. In these conditions, two phases, namely hexagonal α(Ti, Fe) and cubic β(Ti, Fe), are in equilibrium. The α(Ti, Fe) phase forms either continuous or discontinuous layers in the β(Ti, Fe)/β(Ti, Fe) grain boundaries (GBs). Continuous layers correspond to the complete wetting of β(Ti, Fe)/β(Ti, Fe) GBs by a second solid phase α(Ti, Fe). Discontinuous layers correspond to the incomplete (or partial) GB wetting by a second solid phase. The temperature dependences of the portion of completely wetted GBs as well as that of the thickness of continuous GB layer of α(Ti, Fe) phase have been measured. Both values monotonously increase with increasing temperature.

机译：在浓度间隔为1和9的浓度间隔之间研究了Ti-Fe多晶体的微观结构。％Fe。在这些条件下，两相，即六方α（Ti，Fe）和立方β（Ti，Fe）处于平衡。 α（Ti，Fe）相形成β（Ti，Fe）/β（Ti，Fe）晶界（GBS）中的连续或不连续的层。连续层对应于第二固相α（Ti，Fe）的β（Ti，Fe）/β（Ti，Fe）Gbs的完全润湿。不连续的层对应于第二固相润湿的不完全（或部分）GB。已经测量了完全湿润的GBS部分的温度依赖性以及α（Ti，Fe）相的连续GB层的厚度。两个值随着温度的增加而单调增加。

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来源
《Journal of Materials Engineering and Performance》 |2018年第10期|共4页
作者
A. S. Gornakova; B. B. Straumal; A. N. Nekrasov; A. Kilmametov; N. S. Afonikova;
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作者单位

Institute of Solid State Physics Russian Academy of Sciences;

Institute of Solid State Physics Russian Academy of Sciences;

Institute of Experimental Mineralogy Russian Academy of Sciences;

Institut für Nanotechnologie Karlsruher Institut für Technologie;

Institute of Solid State Physics Russian Academy of Sciences;

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原文格式 PDF
正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
grain boundaries; phase transitions; titanium alloys; wetting;

机译：晶界;相转变;钛合金;润湿;

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1. Grain Boundary Wetting by a Second Solid Phase in Ti-Fe Alloys [J] . A. S. Gornakova, B. B. Straumal, A. N. Nekrasov, Journal of Materials Engineering and Performance . 2018,第10期

机译：在Ti-Fe合金中第二固相润湿晶粒边界
2. Grain Boundary Wetting by a Second Solid Phase in the Zr-Nb Alloys [J] . B. B. Straumal, A. S. Gornakova, Y. O. Kucheev, Journal of Materials Engineering and Performance . 2012,第5期

机译：Zr-Nb合金中第二固相的晶界润湿
3. 'Wetting by Solid State' Grain Boundary Phase Transition in Zn-Al Alloys [J] . B.B. Straumal, A.S. Khruzhcheva, G.A. López Reviews on Advanced Materials Science . 2004,第1期

机译：Zn-Al合金中的“固态润湿”晶粒边界相变
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7. Grain Growth and Grain Boundary Wetting Phase Transitions in the Al-Ga and Al-Sn-Ga Alloys of High Purity [O] . 2015

机译：高纯al-Ga和al-sn-Ga合金晶粒长大与晶界润湿相变
8. Grain boundary intermetallic phases in alloy 718. [R] . Burke, M. G., Miller, M. K. 1990

机译：合金718中的晶界金属间相。

Grain Boundary Wetting by a Second Solid Phase in Ti-Fe Alloys

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