Effect of TiB particles on the beta recrystallization behavior of the Ti-2Al-9.2Mo-2Fe-0.1B metastable beta titanium alloy

被引：34

作者：

Chen, Rong ^{[1
]}

Tan, Chengwen ^{[1
]}

Yu, Xiaodong ^{[1
]}

Hui, Songxiao ^{[2
]}

Ye, Wenjun ^{[2
]}

Lee, Yongtai ^{[3
]}

机构：

[1] Beijing Inst Technol, Sch Mat Sci, Beijing 100081, Peoples R China

[2] Gen Res Inst Nonferrous Met, State Key Lab Nonferrous Met & Proc, Beijing 100086, Peoples R China

[3] Kyungnam Univ, Dept Nano New Mat, Chang Won 51767, South Korea

来源：

MATERIALS CHARACTERIZATION | 2019年 / 153卷

基金：

中国国家自然科学基金;

关键词：

Boron addition; Particle-stimulated nucleation (PSN); Recrystallization; Texture; Beta titanium alloy; STIMULATED NUCLEATION; MECHANICAL-PROPERTIES; DEFORMATION-BEHAVIOR; MICROSTRUCTURE; PHASE; BORON; EVOLUTION; PROPERTY; TEXTURE;

D O I：

10.1016/j.matchar.2019.04.023

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of TiB particles on the beta recrystallization behavior of an as-cast Ti-2Al-9.2Mo-2Fe-0.1B (hereafter 2A2F10B) metastable beta titanium alloy was investigated during hot rolling with a related beta solution treatment. The microstructure evolution was analyzed based on the electron backscatter diffraction (EBSD). The particle stimulated nucleation (PSN) behavior of the TiB particles occurred naturally in the dynamic recrystallization during hot rolling and in the static recrystallization during the beta solution treatment, which effectively promoted the recrystallization of 2A2F10B under the studied conditions. The PSN mechanism caused recrystallized grains with different orientations to nucleate around single TiB particles by random lattice rotation, which led to a weak texture in the recrystallized microstructure. The complete recrystallization of the as-cast 2A2F10B alloy could be achieved, and it had a fine microstructure after single-heating hot rolling, with a reduction of at least 65%, along with the related beta solution treatment.

引用

页码：24 / 33

页数：10

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