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Brazing behavior of ultrafine cemented carbide with stainless steelYANG Tian-en(杨天恩), YANG Li(杨力), XIONG Ji(熊计), SUN Lan(孙兰), GUO Zhi-xing(郭智兴), ZHENG Xiao-ming(郑晓鸣) (School of Manufacturing Science... saturation and coercivity of the ultrafine cemented carbide, the ultrafine cemented carbide was fabricated according to conventional powder metallurgical procedures, and then brazed to the stainless......
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Growth behavior of ultrafine austenite grains in microalloyed steel Shengjie YAO1,Linniu DU1,Guodong WANG1,Xianghua LIU1 (1.State Key Laboratory of Rolling and Automation,Northeastern University,Shenyang 110004,China) Abstract:Ultrafine austenite grains (UFAGs) with size of 1-5 μm were prepared through repet-itive treatment, four times, of rapid heating and quenching, and the growth behaviors......
Yttria Tetragonal Zirconia Biomaterials:Kinetic InvestigationEzzat S.Elshazly1,2,S.M.El-Hout2,M.El-Sayed Ali21. Department of Mechanical Engineering,Virginia Commonwealth University2. Deptartment of Metallurgy,Nuclear Research Center,Atomic Energy Authority摘 要:The low temperature aging behavior of polycrystalline tetragonal zirconia was investigated......
Dispersion of ultrafine SiC particles in molten Al-12Si alloy Jin-Ju PARK, Sang-Hoon LEE, Min-Ku LEE, Chang-Kyu RHEE Nuclear Materials Research Division, Korea Atomic Energy Research Institute... with the help of ultrafine ceramic powders made by self-propagating high-temperature synthesis (SHS) process. The SHS powders were fabricated by the chemical reaction between micro-sized SiC and Al......
J. Cent. South Univ. Technol. (2007)06-0773-06 DOI: 10.1007/s11771-007-0147-4 Effect of anions on preparation of ultrafine α-Al2O3 powder XIAO Jin(肖 劲)1, QIN Qi(秦 琪)1...; 2. China Enfi Nonferrous Engineering Co. Ltd, Beijing 100038, China) Abstract: Ultrafine alumina power was obtained by calcining the precursor at 1 200 ℃ for 2 h, which was prepared by homogeneous......
Preparation of ultrafine nickel powder by wet chemical process CHEN Rui-ying(陈瑞英), ZHOU Kang-gen(周康根) School of Metallurgical Science and Engineering, Central South University, Changsha 410083... and tap density. Ultrafine nickel powders with submicron size and spherical shape were synthesized by the hydrazine reduction of nickel sulfate in ethanol-water solvent. The effects of reaction......
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J. Cent. South Univ. (2012) 19: 2081-2085 DOI: 10.1007/s11771-012-1248-2 Underwater friction stir welding of ultrafine grained 2017 aluminum alloy WANG Kuai-she(王快社), WU Jia-lei(武佳蕾), WANG Wen(王文... and Springer-Verlag Berlin Heidelberg 2012 Abstract: 2017 aluminum alloy plates with an ultrafine grained (UFG) structure were produced by equal channel angular processing (ECAP) and then were joined......
Cathodoluminescent properties of Tb3+-doped yttria nanocrystallites W.Str1,D.Hreniak2,P.Psuja2 (1.e)k(Institute of Low Temperature and Structure Research,Polish Academy of Sciences,ul.Okolna...:cathodoluminescence; yttria; phosphors; nanocrystallites; Tb3+; rare earths; [全文内容正在添加中] ......
