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of C and B elements on structures and mechanical properties for high Nb containing TiAl alloy[J]. Rare Metal Materials and Engineering, 2004, 33(2): 144-148. [58] WU Y, PARK Y W, PARK H S, HWANG S K..., ZHANG F, KOU H, LI J. Understanding the role of carbon atoms on microstructure and phase transformation of high Nb containing TiAl alloys[J]. Materials Characterization, 2017, 124: 1-7. [8] DENQUIN......
Ziyang, HE Yue-hui. Investigations on processing powder metallurgical high-Nb TiAl alloy sheets [J]. Intermetallics, 2014, 55: 80-89. [3] ZHENG De-shuang, CHEN Rui-run, MA Teng-fei, DING Hong-sheng, SU... scales of the HOC alloy. Thus, severe spallation of the oxide scales occurs. Diffusion is involved in the high temperature oxidation of the TiAl alloys: one is the internal diffusion of oxygen atoms......
J C. Brazing high Nb containing TiAl alloy using TiNi-Nb eutectic braze alloy [J]. Intermetallics, 2012, 22: 136-141. [36] SHIUE R K, WU S K, CHEN Y T, SHIUE C Y. Infrared brazing of Ti50Al50... diagram [J]. Journal of Phase Equilibria, 1996, 17(2): 92-100. [41] SONG X G, BEN Y B, HU S P, FENG J C, TANG D. Vacuum brazing high Nb-containing TiAl alloy to Ti60 alloy using Ti-28Ni eutectic......
; 文献标志码:A Development of high temperature oxidation and protection of TiAl-based alloy PENG Xiao-min, XIA Chang-qing, WANG Zhi-hui, HUANG Zhen, WANG Jin-hui (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The research progress at home and abroad of the high-temperature oxidation behavior and protection of the TiAl-based alloy......
in a thermomechanically processed TiAl based on alloy [J]. Materials Science and Engineering A, 2002, 329-331: 885-890. [10] KIM H Y, HONG S H. Effect of microstructure on the high-temperature deformation behavior..., and the high temperature forgeability, microstructure and tensile properties were investigated. The results show that the TiAl ingot exhibits good heat workability during containerless near......
BMG composite with in-situ formed dendrite was prepared. The ternary Cu60Zr30Ti10 BMG was selected as the base alloy because of its high glass forming ability [13]. Nb with a positive mixing enthalpy... pattern (inset of Fig. 1(a)), exhibiting a typical broad hump and some sharp crystalline peaks (indexed as Nb phase), as compared to the fully amorphous structure in as-cast Cu60Zr30Ti10 alloy. Figure 1......
in the following order: V>Cr>Nb. Key words: TiAl alloy; alpha phase; gamma phase; electron structure; phase boundaries; electron density 1 Introduction γ-TiAl based alloys have found wide applications... of adding elements improving RT mechanical properties in theory is as follows: V > Cr > Nb. References [1] WU Xin-hua. Review of alloy and process development of TiAl alloys [J......
assessed by the electrochemical tests and wear tests. 2 Experimental 2.1 Materials and coating preparation A γ-TiAl alloy with nominal composition (mole fraction) of 48%Ti, 48%Al, 2%Cr, 2%Nb was used... and Coatings Technology, 2007, 201(9/11): 5556-5559. [11] HAO Jian-min, YE Yu-de, CHEN Hong, JIE Wan-qi. Study of high temperature property on micro-arc oxidization ceramic coating of TiAl alloy [J......
Mater, 1997, 45: 2371-2382. [12] SHIDA Y, ANADA H. Role of W, Mo, Nb and Si on oxidation of TiAl in air at high temperature[J]. Mater Trans JIM, 1994, 35(9): 623-631. [13] SHIDA Y, ANADA H... of the intermetallic TiAl and of TiAl alloys[J]. Oxid Met , 1992, 38: 425 – 464. [17] CHEN G L, SUN Z Q, ZHOU X. Oxidation and mechanical behaviour of intermetallic alloy in Ti-Al-Nb ternary system[J]. Mater Sci......
based alloy containing high Nb [J]. Intermetallics, 2005, 13: 323-328. [14] WANG Gang, XU Lei, WANG Yong, ZHENG Zhuo, CUI Yu-you, YANG Rui. Processing maps for hot working behavior of a PM TiAl Alloy [J... 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......