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Macro-microscopic morphology and phase analysis of TiAl-based alloys sheet fabricated by EB-PVD method ZHANG De-ming(章德铭)1, CHEN Gui-qing(陈贵清)1, HAN Jie-cai(韩杰才)1, ZHANG Xing-hong(张幸红)1, YAO...; Abstract: TiAl-based alloys sheet with thickness of 0.3-0.4 mm as well as dimension of 150 mm×100 mm......
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Effects of Boron Addition on Grain Refinement in TiAl-based AlloysW.D. Wang,Y.C. Ma,B. Chen,M. Gao,K. Liu and Y.Y. Li Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China摘 要...) B alloys were investigated by heat treatment to clarify γ/α2 lamellar microstructure refinement induced by B addition. Experimental results confirmed two kinds of boron-reduced grain refinement......
Vacuum brazing of TiB2 cermet to TiAl-based alloys using Ag-Cu-Zn filler metalLI Zhuo-ran(李卓然), FENG Ji-cai(冯吉才), CAO Jian(曹 健)(State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China)Abstract:Vacuum brazing of TiB2 cermet to TiAl-based alloy was carried out at 1223K for 5-30min using Ag-Cu-Zn filler metal. The microstructural analyses......
: The TiAl-based alloys sheet with 150 mm×100 mm×0.4 mm and the TiAl/Nb laminated composites with 150 mm×100 mm×0.2 mm were fabricated by using electron beam-physical vapor deposition(EB-PVD) method, respectively. The microstructure and properties of the sheet were investigated by AFM, SEM and EDS. The results show that the TiAl based alloys sheet has a good surface quality, and its microstructure......
is intergranular rupture. Key words: TiAl-based alloys; mechanical alloying; spark plasma sintering; microstructure; mechanical properties 1 Introduction TiAl-based alloys have been considered attractive... formability limit the alloys being widely used. In attempts to improve ductility, recent researches have focused on the production of ultrafine grained TiAl based alloys [2,3]. Grain refinement through boron......
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