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reaction temperature and decreasing the particle size of the zinc plant purification residue can increase the leaching rates of cobalt and zinc. References [1] J, VU H, P. Treatment......
Mg2Si crystal tends to form faceted octahedron with minimized total surface free energy in conventional solidification conditions [13]. Primary Mg2Si without any refining treatment, such as refining......
] WANG Z B, LU J, LU K. Wear and corrosion properties of a low carbon steel processed by means of SMAT followed by lower temperature chromizing treatment [J]. Surface and Coatings Technology, 2006, 201... steels [J]. Electrochemical and Solid-State Letters C, 2007, 10(3): 12-15. [8] PFEIL B. Improvement in heat-resisting alloys: UK 459848[P]. 1937. [9] MOON D P. Role of reactive elements in alloy......
): 69-72. [12] 杨小玉. 隧道二次衬砌与初期支护间脱空原因分析与处理[J]. 中国安全生产科学技术, 2012, 8(2): 140-143. YANG Xiaoyu. Cause analysis and treatment scheme of the separation between the secondary liner and primary support......
) and electrochemical methods. The results reveal that after the post-treatment the denseness of the cerium-based conversion coatings is improved, which benefits a lot from the reduced number of cracks... content in the films attribute to the reduce of the crack number and the improvement of the film performance. Key words: magnesium alloys; conversion coatings; post-treatment; crack; corrosion 镁及镁合金密......
segregation coefficient in silicon is 0.35 [4,5]. It has been reported that phosphorus can be removed by plasma refining [6], electron beam melting [7,8], vacuum treatment [9], slag refining [10,11......
[2], oxidation treatment [3], slag refining [4], directional solidification [5,6] and electron beam melting [7], have been suggested to deal with the metallurgical grade silicon (MG-Si) by removing......
’KO V E, KREMENITSKYI V V. Effect of pressure–temperature treatment on the properties of antimony-doped tin dioxide [J]. Powder Metallurgy and Metal Ceramics, 2012, 51(3-4): 82-89. [15] ZHONG Xiao-hua......
温度,变形速率,应力和应变等数据. 图1 Ti-25Al-14Nb-2Mo-1Fe合金热机械处理工艺示意图 Fig.1 Schematic diagram of thermomechanical treatment for Ti-25Al-14Nb-2Mo-1Fe alloy 将热压缩变形前和变形后的试样沿轴向对半剖开,按常规方法制作金相试样,采用2%HF+8%HNO3......
Engineering A, 1998, 251(1/2): 216-225. [12] ZHANGW J, LORENZ U, APPEL F. Recovery, recrystallization and phase transformations during thermomechanical processing and treatment of TiAl-based alloys[J......