Grain size refinement of a TiAl alloy by rapid heat treatment

被引：45
|
作者：
Wang, JN [1 ]
Xie, K [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, Shanghai 200030, Peoples R China
来源：
SCRIPTA MATERIALIA | 2000年 / 43卷 / 05期
基金：
中国国家自然科学基金;
关键词：
titanium aluminide; mechanical properties; rapid heat treatment; phase transformation;
D O I：
10.1016/S1359-6462(00)00419-X
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The grain refinement of TiAl alloys by rapid heat treatment was investigated. A coarse fully lamellar structure with d = 500 μm could be refined to a fine one with d = 10 μm. To successfully achieve grain refinement, several parameters should be well controlled including the heating rate, annealing temperature, holding time and cooling rate. Mechanical testing showed that the refinement, the room temperature yield strength was improved from 330 to 660 MPa, fracture strength from 415 to 825 MPa and ductility from 0.7 to 3.3%.
引用
收藏
页码：441 / 446
页数：6
相关论文
共 50 条
  • [21] Grain and lamellar refinement in TiAl based alloy by yttrium addition
    Kong, FT
    Chen, ZY
    Tian, J
    Chen, YY
    TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 2003, 13 : 133 - 135
  • [22] Microstructure refinement of a TiAl alloy by beat treatment
    School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
    不详
    Materials Science and Engineering A, 2000, 293 (01) : 102 - 106
  • [23] Grain size refinement in Mg-Al-based alloy by hydrogen treatment
    Takamura, H
    Miyashita, T
    Kamegawa, A
    Okada, M
    JOURNAL OF ALLOYS AND COMPOUNDS, 2003, 356 : 804 - 808
  • [24] Effect of heat treatment on TiAl alloy
    Fallahi, Hossein
    Abdullah, Jamaluddin
    Zulkurnaini, Noor Hanisah Bt
    2013 IEEE INTERNATIONAL CONFERENCE ON SPACE SCIENCE AND COMMUNICATION (ICONSPACE), 2013, : 366 - 369
  • [25] Investigation of grain refinement during a rejuvenation heat treatment of wrought Alloy 718
    Qian, M.
    Lippold, J. C.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2007, 456 (1-2): : 147 - 155
  • [26] Grain refinement of 1 at.% Ta-containing cast TiAl-based alloy by cyclic air-cooling heat treatment
    Zhang, Keren
    Hu, Rui
    Li, Jinguang
    Yang, Jieren
    Gao, Zitong
    MATERIALS LETTERS, 2020, 274
  • [27] Effect of Grain Size on Mechanical Properties of γ-TiAl Alloy by Nanoindentation
    Cao, Peng
    Rui, Zhiyuan
    Fu, Rong
    Cao, Hui
    Yan, Changfeng
    Zhe, Jianwu
    Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering, 2021, 50 (06): : 2052 - 2060
  • [28] A novel method for grain refinement and microstructure modification in TiAl alloy by ultrasonic vibration
    Chen Ruirun
    Zheng Deshuang
    Guo Jingjie
    Ma Tengfei
    Ding Hongsheng
    Su Yanqing
    Fu Hengzhi
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2016, 653 : 23 - 26
  • [29] TEM observations of grain refinement of laser surface melted γ-TiAl based alloy
    Wu, GQ
    Huang, Z
    Li, ZF
    Ruan, ZJ
    MATERIALS LETTERS, 2003, 57 (24-25) : 3810 - 3814
  • [30] Grain Refinement of γ-TiAl Alloys by Inoculation
    Gosslar, Daniel
    Guenther, Robert
    Hartig, Christian
    Bormann, Ruediger
    Zollinger, Julien
    Steinbach, Ingo
    ADVANCED INTERMETALLIC-BASED ALLOYS FOR EXTREME ENVIRONMENT AND ENERGY APPLICATIONS, 2009, 1128 : 91 - +
12345