共搜索到9609条信息，每页显示10条信息，共961页。用时：0小时0分0秒711毫秒
of the self-forming multilayers structure and the h-BN solid lubrication effects in the coatings. Key words: TiBN coatings; nanocomposite; multilayer; plasma immersion ion implantation and deposition 1... at a bias voltage of 6 kV for 30 min prior to deposition. Composite Ti and BN plasma was generated by a pulsed cathodic arc source in the PIIID facility, and the discharge voltage and current......
brazing techniques of steels, nickel based superalloys, titanium alloys, aluminum alloys, and titanium-matrix composites have been successfully developed[1-4]. Arc brazing or plasma arc brazing..., 80(10): 36- 40. [7] BOUAIFI B. Low-heat process enhanced jointing of coated sheet metals [J]. Welding Journal, 2003, 82(1): 26-31. [8] BOUAIFI B, OUSAISSA B, HELMICH A. Plasma arc brazing in sheet......
Applications of two electric arc plasma torches for the beneficiation of natural quartzYuri-Mikhailovich Grishin1,Long Miao1,Alexey-Yurievich Kulagin11. Department of Thermal physics, Bauman Moscow State Technical University摘 要:Experimental beneficiation processes of quartz concentrate in arc plasma torches of two different types and electric powers......
Optical characterization of single-crystal diamond grown by DC arc plasma jet CVDLi-fu Hei,Yun Zhao,Jun-jun Wei,Jin-long Liu,Cheng-ming Li,Fan-xiu LüInstitute for Advanced Materials and Technology,University of Science and Technology Beijing摘 要:Optical centers of single-crystal diamond grown by DC arc plasma jet chemical vapor deposition(CVD) were......
Influences of the microstructure on the wear resistance of cobalt-based alloy coatings obtained by plasma transferred arc processHOU Qingyu and GAO JiashengSchool of Materials Science &... coatings obtained by plasma transferred arc (PTA) process were investigated using optical metallurgical microscope, X-ray diffraction关键词:......
forming is conducted at three positions, and the distances between the bending positions are 100 mm. The objective shape of this three-step forming is an arc with the radius of 1 430 mm and the centre... displacement reaches 6 mm. By considering both the ideal arc height and the forming quality, the constraints of the design variables are selected: ......
using a combined micro-arc oxidation and plasma-immersion ion implantation technique [J]. Surf Coat Technol, 2000, 131: 506-513. [10]Hradcovsky R J, Bayles S H. Coated Valve Metal Article Formed...Effects of cathodic component of current on porosity and hardness characteristics of micro plasma oxidation(MPO) coatings on aluminum alloy Samir Hamid Awad, QIAN Han-cheng(钱翰城) (School......
J. Cent. South Univ. Technol. (2010) 17: 967-971 DOI: 10.1007/s11771-010-0585-2 Zinc leaching from electric arc furnace dust in alkaline medium LI Hong-xu(李宏煦)1, 2, WANG Yang(王洋)1, 2, CANG Da... and chemical properties of electric arc furnace (EAF) dust from Tianjin seamless Pipe Company were measured and analyzed. The zinc leaching tests in alkaline medium were carried out under variation of leaching......
Article ID: 1003-6326(2005)03-0565-06 Amorphous coatings deposited on aluminum alloy by plasma electrolytic oxidation GUAN Yong-jun(关永军), XIA Yuan(夏 原) (Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China) Abstract: Amorphous [Al-Si-O] coatings were deposited on aluminum alloy by plasma electrolytic oxidation(PEO). The process parameters......
; Abstract: Phosphorus doped silicon-carbon composite particles were synthesized through a DC arc plasma torch. Silane(SiH4) and methane(CH4) were introduced into the reaction... of the cycle performance of the cell. Key words: secondary batteries; anode; silicon-carbon composite; phosphorus doping; arc plasma pyrolysis ......
