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, 2004, 153-154(1): 42-47. [17] Johnson D R, Inui H, Muto S, Omiya Y, Yamanaka T. Microstructural development during directional solidification of α-seeded TiAl alloys [J]. Acta Materialia, 2006, 54(4... process of difficult-to-form TiAl sheets, twin-roll strip casting and microstructural control were investigated in Ti-43Al alloy. A crack-free sheet with dimensions of 1000 mm × 110 mm × 2 mm......
1.81 W/(m·K)) and showed anisotropic property with respect to the pore orientation. References [1] WU Xin-hua. Review of alloy and process development of TiAl alloys [J]. Intermetallics, 2006, 14...Trans. Nonferrous Met. Soc. China 30(2020) 382-391 Microstructures and properties of porous TiAl-based intermetallics prepared by freeze-casting Zhong-liang LU1,2,3, Wen-liang XU1, Ji-wei CAO1, Yuan......
, can describe the major phenomena that control the solidification processes, and has become powerful tools in studying the microstructural formation and evolution involving nucleation and growth...Article ID: 1003-6326(2005)02-0291-05 Modeling of solidification grain structure for Ti-45%Al alloy ingot by cellular automaton WU Shi-ping(吴士平), LIU Dong-rong(刘东戎), GUO Jing-jie(郭景杰), FU......
) microstructures. Results show that, under dynamic loading, the high temperature strength of the PM TiAl intermetallics is higher than that under quasi-static loading, and the ductile to brittle... of the PM TiAl intermetallics are nearly insensitive to strain rate and temperature at high strain rates (800-l600 s-1) and high temperatures (650-850 °C). Zerilli-Armstrong model is successfully used......
): 797-810. FU Heng-zhi, GUO Jing-jie, SU Yan-qing, LIU Lin, XU Da-ming, LI Jin-shan. Directional solidification and lamellar orientation control of TiAl intermetallics[J]. The Chinese Journal of Nonferrous.... 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......
Trans. Nonferrous Met. Soc. China 22(2012) 2131-2138 Banding structure formation during directional solidification of Pb-Bi peritectic alloys HU Xiao-wu1, LI Shuang-ming2, AI Fan-rong1, YAN Hong1 1..., China Received 7 September 2011; accepted 1 April 2012 Abstract: Directional solidification experiments on Pb-Bi peritectic alloys were carried out at very low growth rate (v=0.5 μm/s) and high......
Phase-field simulation for the evolution of solid/liquid interface front in directional solidification processYuhong Zhao,Bing Zhang,Hua Hou,Weipeng Chen,Meng Wang摘 要:In this study, the phase field method was used to study the multi-controlling factors of dendrite growth in directional solidification. The effects of temperature gradient, propelling......
: Trans Tech Publications, 1986: 1-15. [15] JAMGOTCHIAN H, TRIVEDI R, BILLIA B. Interface dynamics and coupled growth in directional solidification in presence of bubbles [J]. Journal of Crystal... Processing Technology, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China Received 26 March 2010; accepted 21 June 2010 Abstract: By the directional solidification......
-wang, et al. Microstructure and mechanical properties of Al0.7CoCrFeNi high-entropy- alloy prepared by directional solidification[J]. Intermetallics, 2018, 93: 93-100. [26] 熊伟腾, 范金娟, 王云英, 等. 材料断口分形维数测量...,使得合金仅由FCC相和Laves相组成.此外,所有的抽拉速率下,衍射峰的位置没有发生变化,表明FCC相和Laves相结构稳定,可能是高熵合金的迟滞扩散效应导致的. 图5 定向凝固CoCrCuFeNiTi0.8高熵合金的XRD谱 Fig. 5 XRD patterns of directional solidification CoCrCuFeNiTi0.8 high......
) and Ti-Al (mainly TiAl) systems have recently been studied as a new family of reinforcements of AMCs [5-7]. The stiffness and wear behavior of the AMCs can be improved by the intermetallics addition.... Comparative study of Al-TiAl composites with different intermetallic volume fractions and particle sizes [J]. Intermetallics, 2005, 13: 141-149. [7] COSTA C E D A, VELASCO F, TORRALBA J M. Mechanical......