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- Small amounts of sample on miligram scale are taken from the fracture surface of a casting Al Cu alloy, and its main constituents are determined by FAAS (for Cu, Mn and Cd) and GFAAS ( for Ti). 研究了铸铝铜合金拉伸断口毫克级样品中主成分铜、锰、镉的火焰原子吸收光谱法(FAAS)和钛的石墨炉原子吸收光谱法(GFAAS)。
- Based on Al Cu Fe and Al Fe V Si alloys, the Al Fe Cu V Si Ni Ce Zr alloy has been prepared by the optimization design of chemical compositions. 以Al?Cu?Fe 和Al?Fe?V?Si 两个合金系为基础， 对合金成分进行了优化设计， 组成了Al?Fe?Cu?V?Si?Ni?Ce?Zr 合金。
- The strengthening mechanism of Zn Al Cu pseudo alloy coating and relationship among hardness,aging temperature and time are studied by SEM,XRD,EDX and hardness test. 利用扫描电镜(SEM )、X射线衍射分析 (XRD)、能谱分析 (EDX)和硬度测试等手段 ,对涂层的性能进行了测试 ,分析研究了Zn Al Cu伪合金涂层硬度与时效温度和时效时间的关系 ,并探讨了强化机理。
- The modifying experiments on hypereutectic Al - Si alloy were made by addition of sodium flux and P - Cu alloy. 用磷铜合金和四元钠盐变质剂对过共晶铝硅合金进行了变质处理试验。
- In situ Al 2O 3 and TiB 2 particles reinforced Al 3.2% Cu and Al 6.0%Cu alloy composites were fabricated from TiO 2 Al B CuO system. 由TiO2?Al?B?CuO体系制备了原位Al2O3和TiB2粒子增强Al?3.;2%25Cu和Al?6
- With the increasing of Si content, the age hardening response of Al Cu Si ternary alloys is accelerated. 随着含Si量增加 ,Al Cu Si合金的时效硬化过程加快 ;
- Cu alloy horizontal continuous casting is an advanced process for wire production of Cu alloy. 铜合金水平连铸是铜合金丝线材生产中的一种先进生产工艺。
- The Ni Cu alloy supported on TiO 2 promote the formation of C 2 hydrocarbons in CO hydrogenation. 双金属Ni、Cu间发生相互作用而形成了均匀的合金相，该活性组分与载体TiO2的共同作用，对CO加氢中C2物种，特别是乙烯的生成有利。
- This method can reduce labour intensity, improve working efficiency and ensure the deburring effect of Cu alloy part. 这种方法能降低劳动强度,提高工作效率,较好地保证铜合金零件抛光去毛刺效果。
- Selected principles of strengthening phase of dispersion strengthening Cu alloy and its application prospect were discussed. 讨论了弥散强化铜合金强化相的选择原则,以及此合金的应用前景。
- The friction and wear properties of 2 kinds of high strength Zn Al alloys and 3 kinds of Cu alloys are demonstrated. Under different lood and rotative velocity, the friction factor and abrasion wear of the alloys and their coupling samples are given. 采用MM200磨损试验机，测定和对比了铸造锌铝合金（ZZnAl27Cu2A和ZZnAl27Cu2D）和工业上常用铜合金（ZCuSn6Zn6Pb3，ZCuA110Fe3和ZCuZn33Mn2Pb2）的摩擦磨损特性。
- The age _ precipitation behavior of Al-4.5 Cu alloy and mullite _ fiber reinforced Al-4.5 Cu composite has been studied by the differential scanning calorimetry (DSC). 用差示扫描量热法(DSC)对Al-4 5Cu合金和莫来石(Mullite)短纤维增强Al-4 5Cu复合材料的时效析出行为进行了研究 ;
- Al-3%Cu alloys as-solid-solutioned and as-aged are subjected to EGA Pressing. 对Al一3%25Cu合金在固溶态和时效态进行了ECAP挤压。
- The directionally solidified Al-4.7%Cu alloy sample after treated by superheat treatment, its Cu-rich phase decreases obviously and its dimple number increasesobviously. 通过熔体过热处理的Al-4.;7%25Cu合金定向凝固试样;其富Cu相明显减少;韧窝数量显著增加;
- Methods The isothermal age hardening behaviour of an experimental75wt% Au,16wt% Ag,9wt% Cu alloy was studied by means of hardness test, X ray diffraction study. 方法 采用硬度试验和X线衍射的研究手段 ,探讨含 75wt%25金 ,16wt%25银 ,9wt%25铜合金的等温时效硬化性能。
- The mechanism of deburring, the formulation for processing, technical parameters of Cu alloy by using electrochemistry, and the points for attention in operating are introduced. 介绍了铜合金零件电化学去毛刺机理、工艺配方、工艺参数和操作注意事项。
- Be Cu alloy charactistics and its application to dies for toy and plastic product were introduced. Smelting, pouring, heat treatment and safety protection were described. 介绍铍铜合金的特点及其在玩具和塑料制品中的应用。介绍铍青铜的熔炼、浇注、热处理及安全防护。
- Cu,Fe and Zn have no obvious relevance to age. 血铜、铁、锌含量不存在显著年龄相关性。
- Al causes operated to bring about the war. 那场战争的起因有几个。
- Based on the mechanical Zn-Al plating technology,mechanical Cu and Cu alloy plating process were researched and developed by adjusting the activator,promoter and the amount thereof. 在机械镀锌和机械镀铝-锌工艺的基础上,通过调整活化剂和促进剂的种类及用量,研制开发了机械镀铜及铜合金工艺。
