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In situ selective laser gas nitriding for composite TiN/Ti-6Al-4V fabrication via laser powder bed fusionP.A.Morton1,2,H.C.Taylor1,3,L.E.Murr1,3,O.G.Delgado1,2,C.A.Terrazas1,2,R.B.Wicker1,21..., additively manufactured components having selective, hard, wear and corrosion resistant coatings along with periodic,planar or complex metal matrix composite regimes exhibiting superior toughness and related......
concrete composite beams HU Tie-ming(胡铁明)1, 2, HUANG Cheng-kui(黄承逵)1, CHEN Xiao-feng(陈小锋)1 1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian... concrete composite beam consists of a steel fiber reinforced self-stressing concrete composite layer and a reinforced concrete T-beam, and constructional bars are set up at their bonding interface. Fatigue......
Trans. Nonferrous Met. Soc. China 22(2012) 111-116 Effect of MoSi2 content on dielectric and mechanical properties of MoSi2/Al2O3 composite coatings WU Zhi-hong, ZHOU Wan-cheng, LUO Fa, ZHU Dong-mei... powders by atmospheric plasma spray (APS) technology. The effects of MoSi2/Al2O3 mass ratio on the dielectric and physical mechanical properties of the composite coatings were investigated. When......
Effect of yttrium on microstructure and mechanical properties of laser clad coatings reinforced by in situ synthesized TiB and TiC李军,王慧萍,李曼萍,于治水School of Materials Engineering,Shanghai University of Engineering Science摘 要:Titanium-based composite coatings with and without Y particles were deposited by laser cladding on Ti6Al4V substrates. Solidification......
Effect of yttrium on microstructure and mechanical properties of laser clad coatings reinforced by in situ synthesized TiB and TiC李军,王慧萍,李曼萍,于治水School of Materials Engineering,Shanghai University of Engineering Science摘 要:Titanium-based composite coatings with and without Y particles were deposited by laser cladding on Ti6Al4V substrates. Solidification......
In situ Formed Fan-Shaped Nanowires in Biomorphic SiO2:A Multidimensional Composite of Hierarchical Porous Material and Organic Pollutant Adsorption BehaviorHui Chen1,2,Lei Zhao1,Xuan He1,Guang-Hui... composites with a bio-inspired hierarchical porous structure and a high accessible surface area were prepared by in situ molten salt template method.The combination of biogenic hierarchical porous......
文章编号:1004-0609(2012)1-0315-09 机械活化对铟铁酸锌溶解动力学及物化性质的影响 张燕娟1,黎铉海1,潘柳萍1,韦岩松2 (1. 广西大学 化学化工学院,南宁 530004;2. 河池学院 化生系,宜州 546300) 摘 要:以人工合成的高纯度铟铁酸锌为研究对象,采用搅拌球磨对其进行机械活化.以锌的浸出率为评价指标,研究不同活化试样在硫酸溶液中的浸出特性和溶解动力学,并利用X射线衍射仪,扫描电镜,激光粒度分析仪和比表面积分析仪分别考察机械活化对铟铁酸锌晶体结构,颗粒形貌,粒度和比表面积的影响.结果表明:机械活化使铟铁酸锌的物化性质发生明显改变,并由此提高了铟铁酸锌的反应活性.经机械活化30和60 min后,铟铁酸锌与硫酸反应的表观活化能由未活化时的76.4 kJ/mol分别降至58.6和51.8 kJ/mol,表观反应级数也由原来的0.79分别降至......
Microstructural evolution of titanium matrix composite coatings reinforced by in situ synthesized TiB and TiC by laser claddingJun Li,Zhi-shui Yu,Hui-ping Wang,and Man-ping Li School of Materials Engineering,Shanghai University of Engineering Science,Shanghai 201620,China摘 要:<正>Titanium-based composite coatings reinforced by in situ synthesized......
electron microscopy(TEM). The aggregations of CuZr and CuZr2 nanocrystals with grain size of about 20 nm are observed in Zr49Cu46Al5 nanocrystalline composite, while the Zr48.5Cu46.5Al5 alloy containing many CuZr martensite plates is crystallized seriously. Mechanical properties of bulk Zr49Cu46Al5 nanocrystalline composite and Zr48.5Cu46.5Al5 alloy measured by compression tests at room......
Formation and capacitance properties of Ti-Al composite oxide film on aluminum YAO Lei(姚 雷), LIU Jian-hua(刘建华), YU Mei(于 美), LI Song-mei(李松梅), WU Hao(吴 昊) School of Materials Science... consisted of an inner Al2O3 layer and an outer Ti-Al composite oxide layer. The thickness of layers varied with the number of times of sol-gel dip-coating. The capacitance of anodic oxide films formed......