查询词典 powder metallurgy

Due to the unorderly microstructure and the tin oxide assemble in matrix, the electric conductivity of composite fabricated by powder metallurgy became lower than that composite fabricated by reactive synthesis.

粉末冶金法制备的材料由于其杂乱的组织结构以及氧化锡的团聚而使材料的导电性较差。

At the same time run the powder metallurgy machinery industry \ Bimetal bearings and bushings for sale.

同时兼营机械行业的粉末冶金制品＼轴承及双金属复合衬套销售。

Using modified conventional powder metallurgy process for sintered Nd-Fe-B magnets , including annealing of ingot alloy, hydrogen decrepitating, modified jet mill and adding additive during jet milling, we have mass-produced high performance and high corrosion resistance sintered Nd-Fe-B magnets from a conventional ingot alloy without strict protections against oxidation.

利用改进的传统粉末冶金工艺(铸锭热处理、氢爆、改进型气流磨设备以及在气流磨中掺入添加剂等)，在无严格的防氧保护情况下，从传统合金铸锭出发，工业化生产出具有高耐蚀性的N48～50档烧结Nd-Fe-B 磁体。

The hardness of HSS roll was over 66 HRC, the depth of hardened layer excesses 30 mm, the variation of hardness in the roll surface was smaller than 1.5 HRC, and the wear resistance of HSS roll was better than that of high chromium cast iron roll and high nickel chromium indefinite hilled cast iron roll, close to that of powder metallurgy hard alloy roll.

研制出的高速钢轧辊硬度超过66HRC，淬硬层深度超过30mm，辊面硬度差小于1.5HRC，耐磨性优于高铬铸铁和高镍铬无限冷硬铸铁轧辊，接近硬质合金轧辊。

Al-Ti, Al-Fe, Al-SiCp(130nm), Al-SiCp(14 m) composites are performed with cold-press sintering plus hot extrusion powder metallurgy technique in this article, microstructure, hardness, extensibility behavior and traction-wear behavior are studied ,some innovative outcome is got.

本文采用&冷压烧结+热挤压&的粉末冶金方法制备出Al-Ti、Al-Fe、Al-SiCp(130nm)、Al-SiCp(14μm)复合材料，研究了显微组织、致密度、硬度、抗拉行为以及耐磨行为，取得了一些创新成果。

The microstructure and properties of copper-graphite and Cu/Copper-coated graphite composites have been compared to those prepared by powder metallurgy.

比较了用粉末冶金法制备的铜-镀铜石墨复合材料的显微组织与部分性能。

Powder metallurgy ; Cu/Copper-coated graphite composite ; structure and properties

粉末冶金；铜-镀铜石墨复合材料；组织与性能

The copper-coated graphite/silver matrix composites have been made by the method of powder metallurgy. The properties of the composites, such as volume density, resistivity, hardness, bending strength and tribological behavior were tested, and comparison was made with silver-graphite composite of the same content graphite.

将镀铜石墨粉与银粉用粉末冶金法制备成镀铜石墨－银基复合材料，对其密度、电阻率、硬度、抗弯强度和摩擦磨损性能进行测试，并与相同石墨含量的银－石墨复合材料进行对比。

At present diamond tools based on metal cement is manufactured by powder metallurgy.

金属结合剂金刚石工具的制造方法主要是粉末冶金孕镶法。

AIM:To evaluate the milling property of electroplated diamond grinding disc s and powder metallurgy diamond discs by comparing with that of CEREC discs.

目的 ：通过与CEREC磨盘的对比，对电镀和粉末冶金方法制作的金刚石磨盘用于CEREC系统时的磨削性能进行评价。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。