Deformation induced precipitation of MgZn2-type laves phase in Ti-Fe-Co alloy

被引：6
作者：
Kang, L. M. [2 ]
Yang, C. [1 ]
Wang, F. [1 ]
Qu, S. G. [1 ]
Li, X. Q. [1 ]
Zhang, W. W. [1 ]
机构：
[1] South China Univ Technol, Guangdong Key Lab Proc & Forming Adv Metall Mat, Guangzhou 510640, Guangdong, Peoples R China
[2] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 778卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Titanium alloy; Laves phase; Precipitation; Orientation relationship; INDUCED MARTENSITIC-TRANSFORMATION; LAMELLAR EUTECTIC STRUCTURE; BIMODAL TITANIUM-ALLOYS; HIGH-STRENGTH; SHEAR BANDS; COMPOSITES; BEHAVIOR; STRAIN; STABILITY; MECHANISM;
D O I：
10.1016/j.jallcom.2018.11.236
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：
Generally, the formation of Laves phase precipitates is induced by heat treatment, and deformation-induced precipitation of these phases has not been reported so far. In this work, we observed the precipitation of the compression-induced C14 laves phase particles along dislocation walls within B2 TiFe phase in a semi-solid sintered TiFeCo alloy. Interestingly, coherent interfaces were formed between the Laves phase and the TiFe parent phase, and the corresponding orientation relationships: (01 (1) over bar1)(C)(14)//((1) over bar 10)(B2) and [2 (11) over bar0](C14)//[001](B2). The present study indicates that the feasibility that Laves phases can be introduced into metallic materials by deformation processing. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：795 / 802
页数：8
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