共搜索到23455条信息,每页显示10条信息,共2346页。用时:0小时0分0秒453毫秒
Preparation Process and Characteristics Analysis of Ni-Al System Intermetallic Compound Coatings JIN Tao1,SUN Hong-fei1,WANG Can-ming1,WAN Dian-mao1,SONG Qiang1 (1.Material Research Institute of Shandong University of Science and Technology, Taian, China) 摘要:Ni-Al system intermetallic compound coatings were acquired on the substrates of Nickel base superalloy by thermal spray accompanied......
. [7] JUNG I S, JANG H S, OH M H, LEE J H, WEE D M. Microstructure control of TiAl alloys containing beta stabilizers by directional solidification [J]. Materials Science and Engineering A, 2002, 329...-based alloys; phase diagram; grain refinement; thermal processing; superplastic deformation 1 Introduction With the fast development of modern industry, especially the aerospace industry, how to enable......
Trans. Nonferrous Met. Soc. China 22(2012) 2312-2319 Effect of uniform magnetic field on crystallization of intermetallic compound layers between Cu and liquid SnZn alloys CHENG Cong-qian1, 2, HUANG... of Technology, Dalian 116085, China Received 5 September 2011; accepted 22 November 2011 Abstract: Crystallization of intermetallic compound layer between Cu and SnZn alloy under uniform magnetic field......
condition subsequently. The microstructure evolution of nanostructured Ni3Al during annealing was reported.
2 Experimental
Intermetallic compound Ni3Al was cast in vacuum condition and its composition... and abnormal growth occurs at 750 ℃.
Key words: Ni3Al; intermetallic compound; nanocrystallite
). Eventually, the intermetallic compound β phase, distributed around the boundaries of α grains, forms in this way[28].
Fig.1 Metallographic microstructure(a) and XRD pattern(b) of AZ91D die-cast magnesium...
Effect of intermetallic compound β-Mg17Al12 on ductility of AZ91D magnesium alloy
HUANG Wei (黄 巍), LI Di(李 荻)
School of Materials Science and Engineering,
Beijing University......Effect of intermetallic compound β-Mg17Al12 on ductility of AZ91D magnesium alloy
来源: 《中国有色金属学报(英文版)2006年第z2期》——黄巍 李荻
of directional solidification could refine eutectic microstructure and increase Al element content in Cr(Mo) phase, which is conducive to formation of a continuous Al2O3 oxide film [10]. In the present work... the reaction between SiO2 mold shell materials and liquid NiAl-Cr(Mo)-Hf eutectic alloy in the process of directional solidification. Fig. 1 SEM-BSE images showing microstructure of directionally......
is a promising technology for melting reactive, high melting point and refractory materials. Combined with the directional solidification (DS), materials with oriented microstructure are prepared [1]. Due.... Convection-induced peritectic macro-segregation proceeding at the directional solidification of Ti-46Al-8Nb intermetallic alloy [J]. Materials Chemistry and Physics, 2011, 126(1-2): 200-206. [22......
......
; intermetallic compound 1 Introduction In the automotive industry, aluminum alloy panels have increasingly substituted for steel panels as automotive industry standards are becoming increasingly strict... homogenization treatment (Fig. 7(b)). The grain boundary is very thin, and becomes straight. The remaining intermetallic compound has two different shapes: circular-shaped phase distributed within grains......
:A Superplastic deformation behavior and microstructures of laser welded titanium alloy CHENG Dong-hai, HUANG Ji-hua, LIN Hai-fan, ZHAO Xing-ke, ZHANG Hua (School of Materials Science and Technology, University of Science and Technology Beijing, Beijing 100083, China) Abstract: The superplastic deformation behavior of laser welded Ti-6Al-4V alloy by hot tensile tests were investigated......