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words: TiAl-based alloy; thermal exposure; microstructure; mechanical property TiAl基合金具有高熔点,低密度,高弹性模量,低扩散系数,优良的抗腐蚀性能及良好的结构稳定性[1-2],这些优点使其在航空航天和汽车工业等领域有广泛的应用前景.但γ-TiAl合金在室温下具有较低的抗损伤能力,比如较低的室温塑性,较低的断裂韧性和较... and extrinsic fracture resistance in lamellar TiAl alloys[J]. Acta Materialia, 2004, 52(15): 4601-4614. [2] 张永刚, 韩雅芳, 陈国良. 金属间化合物结构材料[M]. 北京: 国防工业出版社, 2001: 705. ZHANG Yong-gang, HAN Ya-fang, CHEN Guo-liang......
and phase diagrams of the TiAl-based alloy, the relationship among the composition, structure and mechanical properties of the B2-containing γ-TiAl alloys was reviewed. The refinement.... CLEMENS et al [21] applied ThermoCalc and MatCalc software packages to calculating phase fractions as a function of temperature for three different β-stabilized γ-TiAl based alloys as shown......
. (7) By overlying the energy dissipation diagram and the processing instability diagram, the processing map can be obtained. Because TiAl-based alloys are prone to DRX during hot working, the effect... temperature compressive flow behavior and associated microstructural development in a β-stabilized high Nb-containing γ-TiAl based alloy [J]. Journal of Alloys and Compounds, 2019, 788: 573-585. [25......
the competition of aerospace structureal materials [J]. Materials Science and Engineering A, 1999, 263: 291-288. [7] CLEMENS H, KESTLER H. Processing and applications of intermetallic γ-TiAl-based alloys [J.... The results obtained above were compared with the previous results in this work. Key words: TiAl-based alloy; directional solidification; microstructure; lamellar structure; hardness TiAl基合金具有低密度,高的弹性模量......
in the TiAl-based alloys.关键词:... alloys with oxygen content from 0.4 to 1.4 at. pct were prepared by induction melting and centrifugal casting in CaO crucible under protective atmosphere. The microstructures were observed by optical......
Intermetallic γ-TiAl based alloys have been known as attractive materials for high-temperature structure applications in aerospace and automotive industries. As reported in previous review [1], TiAl alloys..., Si, W, Cr, Nb, V, Mn and Mo. As reported by JOHNSON et al [3], TiAl-based alloys with aligned lamellar structures have a good combination......
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Microstructure and Mechanical Properties of TiAl-based AlloyZhongjie PU Jiandong SHI Dunxu ZOU Zengyong ZHONG Central Iron and Steel Research Institute,Beijing,100081,China摘 要:<正> Two phases gamma titanium aluminide alloy,Ti-46.5Al-2.5V-1Cr.was investigated to characterizemicrostructures and to define the microstructure/mechanical property......
Brazing of directionally solidified TiAl-based alloy with Ti-Zr-Ni-Cu filler metalHE Peng,LIU Duo,FENG Jicai,and WANG Lun State Key Lab of Advanced Welding Production Technology,Harbin Institute of Technology,Harbin 150001,China摘 要:Brazing of directionally solidified TiAl-based alloy with Ti-Zr-Ni-Cu filler metal was investigated.For brazing,according......
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