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Synthesis and X-ray Powder Diffraction Characterization of A New Niobate Crystal Ba4Na2VNb9O(30)张高科摘 要:A new niobate crystal Ba4Na2 VNb9O30 was synthesized in BaO-Na2O-V2O5-Nb2O5 system for the first time. Its shape, optical properties , melting point and chemical stability were studied. X - ray powder diffraction study determined that this compound......
High temperature performance of arc-sprayed aluminum bronze coatings for steel ZHANG Zhong-li(张忠礼)1, LI De-yuan(李德元)1, WANG Shui-yong(王水勇)2 1. School of Materials Science and Engineering... April 2006 Abstract: The high-temperature oxidation behavior of arc-sprayed aluminum bronze coatings on steel substrate was studied during isothermal exposures in air at 900 ℃. The surface......
Warm compaction powder metallurgy of Cu NGAI Tungwai Leo(倪东惠), WANG Shang-lin(王尚林), LI Yuan-yuan(李元元), ZHOU Zhao-yao(周照耀), CHEN Wei-ping(陈维平) (Guangdong Key Laboratory for Advanced Metallic... contents, different compaction pressures and temperatures in order to study the warm compaction of copper powder. Results show that too much admixed lubricant will lead to the squeeze out......
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的电弧增材制造Cu-9Al- 4Fe-4Ni-1Mn合金结果一致. 图10 C95220铸造铝青铜合金和电弧增材制造Cu-8Al-2Ni-2Fe-2Mn合金的相组成 Fig. 10 Intermetallic phases of C95220 aluminum bronze alloys and Cu-8Al-2Ni-2Fe-2Mn alloys prepared...性能统计 Fig. 14 Ultimate tensile strength versus tensile elongation to failure for aluminum bronze alloys fabricated by additive manufacturing and casting technology 3 结论 1) 在未引入超声振动的电弧增材制造......
Numerical Analysis of Powder Properties in Low Power Plasma Torch AN Lian-tong1,GAO Yang1,Yan Zhi-jun1,HEI Zhu-kun1 (1.Marine Engineering Collage, Dalian Maritime University, Dalian Liaoning 116026, China) 摘要:A mathematical model was presented to describe the particle trajectory, velocity and temperature properties in the low power plasma spraying torch (3.6 kW)in which powder particles were......
KINETIC MODEL FOR POWDER INJECTION DESULFURIZATION S.R. Yu1,X.G. Bi1,Y. Jin1 (1.Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China) Abstract:The kinetic model for desulfurization using CaO-based powder injection has been proposed,which accords with the actual process of the experiment......
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