共搜索到51条信息,每页显示10条信息,共6页。用时:0小时0分0秒453毫秒
......
Orbital-abrasion-assisted Electroforming of Non-rotating Parts李学磊Nanjing University of Aeronautics & AstronauticsSchool of Mechanical & Electronic Engineering,Shanghai Second Polytechnic University摘 要:A novel technique of electroforming with orbital moving cathode was carried out for the fabrication of non-rotating thin-walled parts.This technique......
and properties of Ni-CeO2 nanocomposite electroforming deposits LI Ji-shun1, 2, XUE Yu-jun1, 2, LAN Ming-ming1, LIU Yi1, YU Yong-jian2 (1. School of Mechatronics Engineering, Henan University of Science... morphologies and crystal orientation of the prepared Ni-CeO2 nanocomposite electroforming deposits were examined by scanning electron microscopy (SEM) and X-ray diffractometry (XRD), respectively......
J. Cent. South Univ. (2016) 23: 2536-2541 DOI: 10.1007/s11771-016-3314-7 Improvement of thickness deposition uniformity in nickel electroforming for micro mold inserts JIANG Bing-yan(蒋炳炎)1, 2, WENG... the thickness deposition uniformity during the nickel electroforming process. Regarding these techniques, a micro electroforming system with a movable cathode was particularly developed. The thickness......
of electroforming equipment 采用X射线衍射仪(日本理学,D/Max 2500)和扫描电镜(蔡司,EVO 18)研究电铸镍层的显微组织,用扫描电镜结合能谱仪对电铸镍层的表面形貌和元素组成进行分析.XRD分析测定条件为铜靶(Cu Kα 辐射,波长λ=1.5418 ),管电流为 300 mA,管电压为 50 kV,扫描速度和步长分别为 4(°)/min和0.02°,扫描范围20°~100°.利用... electroforming samples after etching in sulfuric acid for different time 空气中形成的氧化膜对二次电铸后铸层与基底结合力的危害很大,实际生产中很多试件就是因为在空气中静置时间稍长以至于形成氧化膜导致非连续电铸之后镍层间结合力不达标,因此,非连续电铸前可以采用硫酸酸蚀法去除镍层表面氧化膜从而增大镍层间的结合致密度. 3......
:TQ153.44 文献标志码:A Novel technology for electroforming of W fiber-Ni composite coatings QIAN Wang-huan, QU... electroforming; tensile strength; pulse electroforming 电铸技术作为一种基于金属离子阴极电沉积原理制造金属零部件的精密制造技术,已成功应用于精密模具,航空宇航和兵器等高新技术领域[1-3].目前,电铸技术还存在铸层性能不稳定,常温以及中温条件下强度不高等不足,限制了其进一步发展和应用.为此,国内外学者进行了广泛的研究,大致可以分为以下两类. 第一类......
......
University of Aeronautics and Astronautics,Nanjing 210016, China) Abstract: During the abrasive-assisted electroforming process of nickel, the electroformed nickel deposits with different mechanical properties... is in the range from 525 MPa to 1 020 MPa, and the elongation is in the range from 24% to 4%. Key words: nickel; electroforming; mechanical performance; friction 电铸技术作为一种精密特种加工方法,应用于传统工艺难加工的零部件制造.镍是电......
] TANABE Y, NISHIKAWA H, SEKI Y, SATOH T, ISHII Y, KAMIYA T, WATANABE T, SEKIGUCHI A. Electroforming of Ni mold for imprint lithography using highaspectratio PMMA microstructures fabricated by proton beam writing[J]. Microelectronic Engineering, 2011, 88(8): 2145-2148. [2] TANG P T. Electroforming: From rocket engines to nanotweezers[J]. Micro and Nanosystems, 2011, 3(3): 180-187. [3] HART T......
: electroforming; Fe Ni alloy; foil; magnetic property; microstructure 较磁材料从纯铁,Fe Si合金(硅钢),Fe Ni合金(坡莫合金)到Fe- Co合金已有100多年的历史.传统上这些软磁合金是经过冶炼,锻造,热轧或冷轧,热处理等繁杂工艺制成晶态合金,生产成本高,产品规格(特别是薄带幅宽,厚度)受......