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Preparation of Ni60-WC Coating by Plasma Spraying, Plasma Re-melting and Plasma Spray Welding on Surface of Hot Forging Die王俊元School of Mechanical Engineering and Automation, North University of China摘 要:In order to produce the hear-resistant inner layer of hot-forging die, the plasma spraying and plasma re-melting and plasma spray welding were adopted......
Characterization of NbSi2–Al2O3 nanocomposite coatings prepared with plasma spraying mechanically alloyed powdersZohreh Yazdani,Fathallah Karimzadeh,Mohammad-Hasan Abbasi,Abbas AminiDepartment...–4Vsubstrates. The powders were agglomerated to obtain suitable particle sizes for spraying. The agglomerated powders were then plasma-sprayed using atmospheric plasma spraying. The structural transformations......
that the comopsite powder is an excellent materialfor plasma spraying.关键词:...ON ZrO2-NiCr COMPOSITE POWDER FOR SPRAYING邱凤襄,罗志平,邵刚勤,潘牧摘 要:<正>Composite powder prepared of calcium ox-ide stabilzed ZrO2 (CSZ)and NiCr by vacuum......
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Ultrasonic Plasma Spray--A New Plasma Spray Process WEN Xiong-wei1,LI Lu-ming1,ZHANG Hua-tang1,LU Zhi-qing1 (1.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China) 摘要:The method of arc- ultrasonic is introduced into plasma spray process. The process of spray ZrO2-NiCoCr AlY thermal barrier coatings (TBCs) using air plasma spray (APS) process is studied. A exciting......
: Molybdenum feedstock for plasma spraying was fabricated by mechanical alloying and spray drying. Molybdenum products were produced by plasma spray forming (PSF) followed by hot-isostatic pressing (HIP..., after two-step hot-isostatic pressing, respectively. Key words: plasma spraying forming; molybdenum products; hot-isostatic pressing; mechanical property 由于钼具有很高的熔点,较大的热强度,良好的导热和导电性能,以及对酸,碱和熔融金属有很高的抗蚀能力,在......
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by plasma spraying with nanostructured agglomerated and conventional powders, respectively. The microstructure and microhardness of the coatings were investigated using scanning electron microscopy (SEM... are formed due to the selective melting of TiO2 nanoparticles during plasma spraying. On the other hand, the TiO2 and Al2O3 nanoparticles of the solid-phase sintered regions are all unmelted during plasma......
="ChDivSummary">Air plasma spraying(APS) was used to produce high emissivity coatings with a NiCr2O4 spinel structure.The relationship be-tween the emissivity and the crystal structure was investigated.X...Synthesis of NiCr2O4 spinel coatings with high emissivity by plasma sprayingZhen-qi Zhu1),Xu-dong Cheng2),Wei-ping Ye1),and Jie Min2)1) School of Materials Science and Technology,Wuhan University......