Study of tin-cerium alloy electroplating using ultrasonic;
超声电镀锡铈合金工艺研究
Influences of oxidation of ceric additive on acidic tin-cerium alloy electroplating were discussed.
在酸性电镀锡铈合金溶液中，分析了稀土金属铈添加剂的氧化物对电镀工艺的影响，讨论了使用双氧水预先处理硫酸高铈使它化学还原成不具氧化性的硫酸铈或直接使用硫酸铈代替硫酸高铈的工艺改进方法。
Analysis of surface defect on H68 copper alloy strip
H68铜合金带材表面缺陷成因分析
Electroplated Cu-Sn alloy coating is good in decoration and solderability,low in cost,non-toxic,not irritable,etc.
电镀铜锡合金具有装饰性好、可焊性优良、成本低、无毒、不使人体过敏等优点,而得到广泛的应用。
The method use SCR continuous casting-rolling system to make conducting wire(Cu-Sn alloy rod) for railway application was introduced.
介绍了采用SCR连铸连轧生产线生产高速电气化铁路接触网线用铜锡合金线坯的方法,用该法生产的产品,具有内部组织细小,均匀的晶粒,强度高,软化温度高,平直度好,耐摩性好,抗蠕变性好等特点。
The paper describes the process ofφ20mm Cu-Sn alloy wirebar production in continuous casting and roiling process,analyzes the impact of the wirebar s oxygen and tin content distribution on production stability, describes the cold-forming process of contact wire manufacturing by drawing machine,and studies and compares anti-drawing strength and extension capability of it.
介绍了采用连铸连轧工艺生产φ20mm铜锡合金线坯的过程,分析了线坯氧含量、锡含量对生产稳定性的影响。
A method to directly determine the tin in the plating bath for a novel acidic bright tin-copper alloy coating was established based on releasing back titration, which was aiming at eliminating the reference of Cu 2+ and preventing the Sn 2+ and Sn 4+ from hydrolysis.
为消除Cu2+的干扰,防止Sn2+,Sn4+的水解,建立了一套采用解蔽返滴定法,不经分离对新型酸性光亮镀锡铜合金镀液中的锡进行测定的分析方法。
Minim copper in new acidic bright tin-copper alloy plating bath was determined by spectrophotometrie method using 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol(5-Br-PADAP)as chromogenic reagent,and measuring wavelength was optimized.
采用 5 -Br -PADAP光度法测定酸性光亮镀锡铜合金液中的微量铜 ,优选出最佳测定波长。
By sintering the tin-copper films electroplated from an alkaline solution under different temperatures, several kinds of the tin-copper alloy negative electrodes were prepared.
将碱性镀液中制备的锡-铜膜在不同温度下烧结,制得几种锡铜合金负极材料。
Analysis of surface defect on H68 copper alloy strip
H68铜合金带材表面缺陷成因分析
Surface Cleaning Technology and Devices for Copper and Alloy Plate & Strip Products
铜及铜合金板带材表面清洗技术及装备
Design and Research on Engineering of 60kt/a High Precision Copper and Copper Alloy Plate, Sheet and Strip;
年产6万吨高精度铜及铜合金板带材轧制工程设计与研究
volatile corrosion inhibitor paper for copper and copper alloys
铜和铜合金用气相防锈包装材料
Copper and copper alloy strips for detonator
GB11090-1989雷管用铜和铜合金带
High Speed Acidic Electroplating Technology of Compact and Bright Sn and Sn-Cu Alloy for Copper Wire
铜线材酸性高速电镀致密光亮锡、锡铜合金
Application of Copper and its Alloy in National Economy;
铜及铜合金加工材在国民经济中的应用
On Cost Management of Jiangxi Copper Alloy Material Co. Ltd.
江西铜业铜合金材料有限公司成本管理探索
copper-graphite-bronze alloy
铜-石墨-青铜合金
manganese copper
锰铜镍合金， 锰铜
Rectangular copper or aluminum and its alloy conductors for electrical purposes--Part 4: Copper strip
GB/T5584.4-1985电工用铜、铝及其合金扁线第4部分:铜带
" Tantalum and tantalum alloy sheet,strip and foil"
GB/T3629-1983钽及钽合金板材、带材和箔材
Method of ultrasonic inspection for copper alloy bars
GB/T3310-1982铜合金棒材超声波探伤方法
a copper-zinc alloy (containing about 30% zinc) that is wrought into cartridges or tubing.
一种铜锌合金，用于制枪弹或管形材料。
Low Ni High Mn Cu-Al Alloy Bush for Hot Plate Mill
低镍高锰铜铝合金轴瓦新材料的研究
STUDY OF MECHANICALLY ALLOYED Cu W SHAPEDCHARGE LINER MATERIALS
机械合金化铜-钨药型罩材料的研究
Studies on the Electrochemical Performance of the Tin-copper Alloys Negative Materials;
锡铜合金负极材料的电化学性能研究
Effect of Cerium-Rich RE on Properties of Cu-Te Alloys
富铈稀土对铜碲合金材料性能的影响