共搜索到807条信息，每页显示10条信息，共81页。用时：0小时0分0秒443毫秒
; thin film; heat treatment; composition change; electrochemical capacitor......
Inclusions and solidification structures of high pure ferritic stainless steels dual stabilized by niobium and titaniumHong-Po Wang,Li-Feng Sun,Jun-Jie Shi,Cheng-Jun Liu,Mao-Fa Jiang,Chi ZhangKey... of rolling and heat treatment, ingots have great effects on the properties of the final products. Inclusions and solidification structures are the most important aspects of the quality of ingots. Niobium......
-yuan(黄道远) School of Materials Science and Engineering, Central South University, Changsha 410083, China Received 10 April 2006; accepted 25 April 2006 Abstract: The MoSi2 coating on C103 niobium... effectively prevent the diffusion of oxygen into coating. Key words: niobium based alloy; pack cementation; silicide coating; formative mechanism 1 Introduction Nb-based alloys have been used......
J. Cent. South Univ. (2021) 28: 1206-1218 DOI: https://doi.org/10.1007/s11771-021-4690-1 Effects of niobium addition on microstructure and properties of CPM121 powder metallurgy high-speed... compacted and activation sintered with near-full density (>99.0%) using pre-oxidized and ball-mixed element and carbide powders. Niobium-alloyed steels (w(V)+w(Nb)=10 wt.%) show higher hardness and wear......
Some Characteristics of Niobium Mineral Resources of Low and Medium Grade Oxide Ores in the Main and Eastern Mining Areas at the Bayan Obo Mine陈泉源,余永富摘 要:niobium minerals resources.The disseminationcharacteristics and processing properties of four types of niobium minerals......
......
Segregation and diffusion behavior of niobium in a highly alloyed nickel-base superalloy PAN Xiao-lin1, YU Hai-yan1, TU Gan-feng1, SUN Wen-ru2, HU Zhuang-qi2 1. School of Materials and Metallurgy...: The segregation during solidification and high temperature diffusion during homogenization of niobium in a highly alloyed nickel-base superalloy were investigated. Niobium is seriously segregated......
Effect of Replacing Vanadium by Niobium and Iron on the Tribological Behavior of HIPed Titanium AlloysMamoun Fellah1,2,Linda Aissani2,3,Mohammed Abdul Samad4,Alain Iost5,Alex Montagne54. Mechanical... of replacing vanadium by niobium and iron on the tribological behavior of hot-isostatic-pressed titanium alloy(Ti–6Al–4V)biomaterial,using a ball-on-disk-type oscillating tribometer,under wet......
phase indicating a niobium perovskite phase and a small amount of unidentified phase appeared. With the increase of Nb content, the superconducting transition temperature Tconset increased slowly with x......
phase indicating a niobium perovskite phase and a small amount of unidentified phase appeared. With the increase of Nb content, the superconducting transition temperature Tconset increased slowly with x......
