Microstructure Evolution of Near Gamma TiAl Intermetallic under Tensile Impact Loadings at High Temperatures

被引：0
|
作者：
Wang, Yu [1 ]
Zan, Xiang [1 ]
He, Yuehui [2 ]
Wang, Yang [1 ]
机构：
[1] Univ Sci & Technol China, CAS Key Lab Mech Behav & Design Mat, Dept Modern Mech, Hefei 230027, Peoples R China
[2] Cent South Univ Technol, State Key Lab Powder Met, Changsha 410083, Peoples R China
来源：
ADVANCES IN SUPERALLOYS, PTS 1 AND 2 | 2011年 / 146-147卷
关键词：
TiAl intermetallics; high strain rate; microstructure evolution; high temperatures; STRAIN-RATE; TITANIUM ALUMINIDES; RECENT PROGRESS; DEFORMATION; ALLOYS; BEHAVIOR; FRACTURE; 2-PHASE;
D O I：
10.4028/www.scientific.net/AMR.146-147.1553
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of temperature and strain rate on the mechanical behavior and microstructure evolution of Near Gamma Ti-46.5Al-2Nb-2Cr (NG TiAl) was investigated at temperatures ranging from room temperatures to 840 degrees C under strain rates of 0.001, 320, 800 and 1350s(-1). The TEM analysis indicated that deformation twinning and stacking fault are the main deformation modes under dynamic loadings and dislocation slip is another important deformation mode under quasi-static loadings. The density of deformation twinning and/or stacking fault increases with the increased temperature and strain rate.
引用
收藏
页码：1553 / +
页数：2
相关论文
共 50 条
  • [1] Microstructure Evolution of TiAl under Tensile Impact Loadings
    Zan, Xiang
    Ouyang, Li
    Wang, Yu
    He, Yuehui
    Liu, Yong
    Song, Weidong
    HIGH PERFORMANCE STRUCTURE MATERIALS, 2013, 747-748 : 14 - +
  • [2] Microstructure and tensile properties of gamma TiAl strip
    Das, G
    DEFORMATION AND FRACTURE OF ORDERED INTERMETALLIC MATERIALS III, 1996, : 217 - 237
  • [3] Microstructure evolution in an intermetallic compound TiAl upon deformation by shear under pressure
    Antonova, OV
    Ivonin, YA
    PHYSICS OF METALS AND METALLOGRAPHY, 2005, 100 (04): : 361 - 370
  • [4] Creep and microstructure of near-gamma TiAl alloys
    Dlouhy, A
    Kucharová, K
    INTERMETALLICS, 2004, 12 (7-9) : 705 - 711
  • [5] THE ISOTHERMAL COMPRESSION RESPONSE OF A NEAR GAMMA-TIAL+W INTERMETALLIC
    BEDDOES, J
    ZHAO, L
    IMMARIGEON, JP
    WALLACE, W
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1994, 183 (1-2): : 211 - 222
  • [6] OXIDATION BEHAVIOR OF INTERMETALLIC COMPOUNDS TIAL AT HIGH-TEMPERATURES
    KASAHARA, K
    HASHIMOTO, K
    DOI, H
    TSUJIMOTO, T
    JOURNAL OF THE JAPAN INSTITUTE OF METALS, 1989, 53 (01) : 58 - 62
  • [7] Microstructure Evolution and Mechanical Properties of High Nb-TiAl Intermetallic Compounds during Heat Treatment
    Li, Liangliang
    Zhang, Yongliang
    Mu, Jianwei
    Li, Jinlong
    Li, Pengfei
    Li, Jing
    Liu, Zhifeng
    JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2024, 34 (4) : 3085 - 3100
  • [8] Microstructure and tensile properties of hot fogred high Nb containing TiAl based alloy with initial near lamellar microstructure
    Zhang, S. Z.
    Zhang, C. J.
    Du, Z. X.
    Hou, Z. P.
    Lin, P.
    Chen, Y. Y.
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2015, 642 : 16 - 21
  • [9] FATIGUE LIFE AND FRACTURE OF CAST GAMMA TIAL INTERMETALLIC ALLOY AT ROOM AND ELEVATED TEMPERATURES
    Petrenec, Martin
    Smid, Miroslav
    Polak, Jaroslav
    METAL 2011: 20TH ANNIVERSARY INTERNATIONAL CONFERENCE ON METALLURGY AND MATERIALS, 2011, : 969 - 974
  • [10] Tensile Behavior and Microstructure Evolution of an Extruded 6082 Aluminum Alloy Sheet at High Temperatures
    Qiu, Sawei
    Xia, Erli
    Liu, Limei
    Ye, Tuo
    Liu, Jie
    Tang, Jian
    Liu, Wei
    Wu, Yuanzhi
    METALS, 2024, 14 (01)
12345