合金

The concordance between the observation phenomena of metalloid alloy and the experimental results of metal alloy is discussed in detail, and the resolving degree of problem unable to be overcome in actual solidification experiment is analyzed.

介绍了用于研究凝固过程的实时观察法的发展情况，同时综述了目前用于实时观察法研究的合金类型和现有的实验仪器和装置，分类探讨了类金属合金实时观测现象与金属合金实验结果的吻合程度，和对实际凝固实验中无法克服的困难的解决情况，并对国内外的发展情况和存在问题进行了分析和讨论。

Calculations of the density of alloys based on Bernal-type models of the alloys metal component agreed fairly well with the experimentally determined values from measurements on alloys consisting of a noble metal together with a metalloid,such as alloys of palladium and silicon,or alloys

以伯纳尔所建立的旨在研究合金中金属成分的那类模型为基础，研究人员对合金密度进行了计算，这些计算相当程度上与某些合金测量中通过实验确定的数据趋于一致，尽管一些细小的差异依然存在。

Metallographic analysis, analysis for fracture surface of scanning electron microcopy photographs, electron-probe analysis,X-ray powder diffraction analysis, transmission electron microscope analysis have been done for the analysis of microstructurs、fracture apperance、structure,and has carried on the preliminary discussion to the toughening Mechanisms.

采用金相分析、扫描断口分析、能谱分析、x射线粉末衍射结构分析、透射电镜分析对合金化以及引入韧性第二相后的TiFe_2合金的显微组织、断口形貌、微观结构进行了分析，并对合金的韧化机制进行了初步的探讨。

The growth process of nanocrystalline copper particles into single crystals, induced by electron irradiation, has been observed by TEM, and Kikuchi lines exist in its electron diffiaction microphotograph, indicating that the thickness of the single crystal formed by electron irradiation is more than 100nm.

用γ射线辐照法成功地制备出Ag-Cu及Au-Cu合金粉末。通过改变实验条件如调节溶液中金属离子的浓度比则可控制所制备合金的组成。因此，发展γ射线辐照法制备合金粉末具有重要的应用价值。

The results showed the specimens by vacuum sintering had a typical Widmannstatten microstructure, which possessed coarser prior β-grains and secondary platelet α+β-phase, but the alloy had a more microporosity and a lower tensile strength and ductility. After HIP treatment, prior β-grains and secondary platelet α+β-phase became fine and uniform, and the alloy possessed a less microporosity and a higher tensile strength and ductility.

结果表明：真空烧结Ti-6Al-4V合金具有典型的魏氏体组织，其初始的β晶粒粗大，β晶粒内为次生片状α和薄β相片，空隙较多，合金的强度和塑性较低；合金经热等静压处理后，组织明显细化且均匀，空隙很少或几乎没有，从而强度和塑性都有所提高。

Effect of longitudinal magnetic field on microstructure and properties of MIG weld joint of mild steel

采用横向变拘束试验，研究铝锂合金和2024合金的焊接热裂纹敏感性；并对焊缝组织进行分析，探讨它对两种合金焊接开裂倾向的影响。

With increasing of heat treatment temperature,the fraction of ω phase decreases and a phase precipitates,which cause the hardness and elastic modulus decrease.When annealing temperature is close to β transition point,the hardness and elastic modulus presents minimum values.

结果表明，当合金中存在ω相时，合金的的硬度和弹性模量最高，随着热处理温度的提高，合金中的ω相消失，代之而来的是a相，而且越接近β转变温度，a相含量越少，对应的弹性模量和硬度越来越低。

This paper shows the principle and current application situation of unsalable LaCe/LaPrCe misch metal regarded as additive in aluminum,magnesium,zinc,copper,steel and alloy,mainly illustrates the application progress of magnesium alloy AE44 with high-performacec,low cost and great heat-resistant property by replacing Cewith LaCe/LaPrCe misch metal,and reportes the application of LaCe/LaPrCe in nickel hydrogen electrode cathode material.

综述了我国大量滞销的轻稀土资源LaCe/LaPrCe混合稀土金属作为添加剂在铝、镁、锌、铜、钢及其合金中的作用机理及其应用现状；重点阐述了用LaCe/LaPrCe代替富铈混合稀土金属作镁合金主要成分，开发出高性能、低成本、新型耐热镁合金AE44研发工作应用进展；报导了LaCe/LaPrCe在镍氢电极负极材料应用及组装成氢镍电池的简况。

Alloy can obtain the optimistical combination of strength and ductility in T8 temper: Solution-treated at 510℃ for 1h + water ...

2.2197合金在T6状态欠时效以δ′相强化为主，峰时效以少量δ′、θ′和T1相联合强化为主，虽然T1相的强化效果远远优于δ′、θ′相，但由于该合金不是主要以大量T1相强化为主，因而2197合金只具有中等强度。

The XRD result indicates that the axial ratio c/a of the tetragonal structure decreases with increasing the content of platinum, which leads to an increase of the deviation from unity of the tetragonal structure. So that, the anisotropy field of the ordered phase is improved and the coercivity is increased.

合金的X射线衍射结果表明：时效热处理后，随着Pt含量的增加，合金面心四方结构的有序相的c/a值逐渐减小，c/a值的减小增大了四方晶格结构的a与c方向的不对称性，使有序相的磁晶各向异性场增大，提高了合金的矫顽力

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。