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in powder depth and 60 ℃ in preheating temperature. The molybdenum/copper composites samples are obtained, with tensile strength and elongation of molybdenum part of 383.8 MPa and 6.6%, respectively... Mechanical properties of molybdenum-copper composites samples 3 结论 1) 采用水悬浮包覆方法制备了激光烧结成型用微细覆膜钼粉, 其粒径分布范围为35~60 μm,具有流动性好,包覆膜层均匀,烧结成型性好的特点. 2) 覆膜钼粉激光烧结成型的最佳工艺参数为:激光功率15 W,扫描速度1 000 mm/s,铺粉厚度0.1 mm,预......
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Qiu-jing, HE Yu-yang. Physicochemical and environmental properties of arsenic sulfide sludge from copper and lead-zinc smelter [J]. Transactions of Nonferrous Metals Society of China, 2020, 30...Trans. Nonferrous Met. Soc. China 31(2021) 2153-2164 Formation of arsenic-copper-containing particles and their sulfation decomposition mechanism in copper smelting flue gas Wen-ming YAO1, Xiao-bo......
J. Cent. South Univ. (2018) 25: 1274-1284 DOI: https://doi.org/10.1007/s11771-018-3824-6 Extraction of copper and zinc from naturally contaminated copper mine soils: Chemical fractionation analysis... Abstract: The leaching behaviour of Cu and Zn from contaminated soils at a copper mine was investigated using four extractants: citric acid (CA), oxalic acid (OA), ethylenediaminetetraacetic acid (EDTA......
Recovering of copper with metallic aluminum Nizamettin DEMIRK?RAN, Asim K?NK?L Chemical Engineering Department, Faculty of Engineering, Inonu University, Malatya 44280, Turkey Received 27 January 2011; accepted 5 May 2011 Abstract: The cementation of copper ions from aqueous copper sulfate solutions by using spherical aluminum metal particles was examined. The effects of the experimental......
J. Cent. South Univ. (2017) 24: 335-340 DOI: 10.1007/s11171-017-3435-2 Dissolution kinetics of copper from multi-metal copper alloy roasted in oxygen LU Wei-hong(卢伟红), YIN Zhou-lan(尹周澜), DING Zhi... Abstract: A kinetic study on the sulfuric acid leaching of multi-metal oxide, which is the product of multi-metal copper alloy with iron trioxide roasted in oxygen, was carried out. The effects of leaching......
Thermo-physical Properties of Continuous Carbon Fiber Reinforced Copper Matrix Composites 黄俊波1,陈先有1,曹金华1 (1.Army Aviation Representative Office,109 mail box,Jingdezhen 333002,Jiangxi,China) 摘要:Continuous carbon fiber reinforced copper matrix composites with 70％(volume fraction)of carbon fibers prepared by squeeze casting technique have been used for investigation of the coefficient of thermal......
Combustion of Sewage Sludge as Alternative Fuel for Cement Industry李福洲Key Laboratory of Silicate Materials Science and Engineering of Ministry of Education,Wuhan University of Technology摘 要:The combustion of sewage sludge and coal was studied by thermogravimetric analysis.Both differential scanning calorimetric analysis and derivative thermogravimetric......
Ultramicro molybdenum nitride powder prepared using high-energy mechanochemical methodAN Geng~a LIU Gaojie~b ~a Technical Center,Jinduicheng Molybdenum Co.,Ltd,Xi’an 710075,China ~b School...,ultramicro molybdenum nitride powders were prepared from pure mo- lybdenum powders in ammonia atmosphere at room temperature by high-energy ball milling.The structure and the particle size of the pow- ders......
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