共搜索到24781条信息,每页显示10条信息,共2479页。用时:0小时0分0秒359毫秒
; Fe-Ni alloy; directional solidification 共生生长(Coupled growth)的概念源自共晶合金,在单向热流下...(Jackson-Hunt模型)所描述的共生生长特性进行对比,提出包晶稳态过热共生生长模型,同时以Fe-Ni合金系为对象,对其亚包晶和过包晶成分在不同温度梯度G和生长速度v下进行定向凝固实验及组织分析.研究结果表明:在定向凝固条件下,包晶系两相严格的共生生长只有在进入稳态且温度高于包晶相变温度时才可能进行;包晶合金两相的共生生长尤其在G/v值高的平/胞界面形态,确实发生在Tp温度以上,与提出的模型所预测......
of the concentration fluctuation becomes larger in the specimen annealed at lower temperature. Key words:invar alloy; Fe-Ni,mechanical alloying; Curie temperature; [全文内容正在添加中] ...ANOMALOUS EFFECT OF PRESSURE ON THE CURIE TEMPERATURE IN MECHANICALLY ALLOYED Fe-Ni INVAR F. Ono1,X.H. Wei2 (1.Department of Physics, Okayama University, 3-1-1 Tsushima-Naka,Okayama 700-8530, Japan......
, PAEK M K, PAK J J. Reduction investigation of WO3/NiO/Fe2O3 and synthesis of nanocrystalline ternary W-Ni-Fe alloy[J]. Journal of Alloys and Compounds, 2009, 472: 314-318. [13] ABDEL-HALIM K S, KHEDR M H, NASR M I, ABDEL-WAHAB M S. Carbothermic reduction kinetics of nanocrystallite Fe2O3/NiO composites for the production of Fe/Ni alloy[J]. Journal of Alloys and Compounds, 2008, 463(1/2): 585-590......
Properties and forming process of prealloyed powder metallurgy Ti-6Al-4V alloy WANG Liang(王 亮)1, LANG Ze-bao(郎泽保)1, SHI Hong-pei(史鸿培)1 Aerospace Research Institute of Material and Processing Technology, Beijing 100076, China Received 15 July 2007; accepted 10 September 2007 Abstract: The properties and forming process of prealloyed powder metallurgy (PM) Ti-6Al-4V alloy were......
Laser rapid forming of low cost hydride-dehydride titanium alloy powder CHEN Jing(陈 静), ZHANG Feng-ying (张凤英), LIN Xin(林 鑫), TAN Hua(谭 华), HUANG Wei-dong(黄卫东) State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China Received 28 July 2006; accepted 15 September 2006 Abstract: Low cost hydride-dehydride (HDH) Ti-6Al-4V (Ti-64) alloy powder......
......
......
J. Cent. South Univ. (2021) 28: 1195-1205 DOI: https://doi.org/10.1007/s11771-021-4669-y Microstructural evolution and mechanical properties of an ultrahigh-strength Al-Zn-Mg-Cu alloy via powder... ultrahigh-strength Al-10Zn-3.5Mg-1.5Cu alloy was fabricated by powder metallurgy followed by hot extrusion. Investigations on microstructural evolution and mechanical properties of the fabricated samples......
......
; 1 Introduction Tungsten alloy generally means the mixture of W-Ni-Fe, W-Ni..., the feedstock consists of 53% (volume fraction) W-Ni-Fe powder with a D90 size of 5 μm and 47% (volume fraction) binder (mixture of polyethylene, wax and lubricant). Material data related to viscosity......