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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, China Received 11 October 2005; accepted 23 February 2006 Abstract: The main technical problems of nickel powder for multiplayer ceramic capacitors are particle size controlling, the agglomeration......
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... of Mechanical Engineering, Xiangtan University, Xiangtan 411105, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China; 3. College of Materials Science......
using the nickel and graphite blending powder by laser cladding. The microstructure investigation showed that the petals-shaped particles and granular particles were two main morphology of titanium...Synthesis of Titanium Carbide Particle in Laser Melted-pool in situ周磊,刘延辉,DONG Shuaijun,ZHU Lingjie,LI YongjiuSchool of Materials Engineering, Shanghai University of Engineering Science摘 要:
morphology (Figure 1(a)). The powder particles were spherical with a diameter of 2.8-86.4 μm (the median size d50 was 31.5 μm), as shown in Figure 1(b). Table 1 Chemical composition of as-received... J. Cent. South Univ. (2021) 28: 1601-1614 DOI: https://doi.org/10.1007/s11771-021-4720-z Selective laser melted near-beta titanium alloy Ti-5Al-5Mo-5V-1Cr-1Fe:Microstructure and mechanical......
) patterns of samples A , B and C In order to gain alumina powder with spherical morphology, excellent decentralization characteristics, small particle size and uniform particle size distribution... of the resulting product (ultrafine alumina powder), indicating that the product is of spherical morphology and uniform particle size distribution with average particle size of 2-3 μ m. Fig.7 XRD......
. Spherical calcium carbonate powder material is widely used in ink, paint and other industries due to its large surface area, low specific gravity, good dispersion and solubility [9,10]. Since...Trans. Nonferrous Met. Soc. China 25(2015) 628-639 Preparation of potassium salt with joint production of spherical calcium carbonate from sintering dust Guang ZHAN, Zhan-cheng GUO State Key......
Reaction mechanism in high Nb containing TiAl alloy by elemental powder metallurgy WANG Yan-hang(王衍行)1, LIN Jun-pin(林均品)1, HE Yue-hui(贺跃辉)2, WANG Yan-li(王艳丽)1, LIN Zhi(林 志)1, CHEN Guo-liang(陈国良)1 1. State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China; 2. State Key Laboratory of Powder Metallurgy, Central South......
, Changsha 410083, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China)Abstract:LiCo1/3Ni1/3Mn1/3O2 cathode material was synthesized by improved... coprecipitation method has spherical secondary particle with the diameter of about 2 μm assembled by the spherical and flaky primary particle, and the tap density of as-prepared LiCo1/3Ni1/3Mn1/3O2......
Hydrous ferrous sulfate (Panzhihua Group Co., Ltd., Sichuan, China) is the by-product of titanium white powder production; its chemical composition is listed in Table 1. X-ray diffraction (XRD... illustrates the average particle size distributions of hematite powder obtained using microwave heating. The average particle size distribution of hematite was 10.45μm. Some spherical agglomerates had......
Wear Properties of Plasma Transferred Arc Fe-based Coatings Reinforced by Spherical WC Particles范丽1,董耀华2,3,CHEN Haiyan3,DONG Lihua3,YIN Yansheng31. College of Mechanical and Electronic Engineering...="ChDivSummary">Fe-based coatings reinforced by spherical WC particles were produced on the 304 stainless steel by plasma transferred arc(PTA) to enhance the surface wear properties. Three different Fe......
