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- The fracture toughness of high strength Al - Cu - Li alloy 2090 under different aging conditions is tested by utilizing"Kahn method",i. e. ,"tear-to-failure"method. 采用Kahn撕裂法测试了高强度Al-Cu-Li合金2090在不同时效制度下的断裂韧性及其变化规律,并借助TEM和SEM对相应微观组织形貌及断口形貌进行了观察。
- 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 fracture behaviors in superplastic deformation of 2091 Al Li alloy have been investigated. 研究了2091铝锂合金超塑变形的断裂行为。
- The microstructure and fracture behavior of 2091 Al Li alloy was studied by SIMS、TEM and SEM. 结果表明，2091合金具有明显的氢脆敏感性，氢降低合金原子间结合能。
- 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。
- 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)。
- The Brazeability of Al Li alloys is studied through experiments. 通过试验研究，探讨了铝锂合金的钎焊性。
- The homogenization treatment with an electric field of Al Li alloy is investigated by means of scanning electron microscope(SEM) and electron probe microanalyzer(EPMA). 应用扫描电镜（SEM）及电子探针（EPMA）研究了强电场作用下Al－Li合金的均匀化过程。
- 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 ;
- By means of electron probe microanalyzer (EPMA) and transmission electron microscope (TEM),the effect of solution treatment with electric field on the microstructure of 2091 Al Li alloy is investigated. 用电子探针及透射电镜研究了2091Al?Li合金的电场固溶对显微结构的影响。
- Tensile fracture of the SiCw/Al Li composite is in the transgranular dimple type. The fracture mode does not change from transgranular to intergranular with aging time, which always exists in Al Li alloys. SiCw/Al－Li复合材料的拉伸断口呈穿晶韧窝状，不存在通常Al－Li合金中因时效引起的断口形貌由穿晶型向沿晶型过渡的现象
- Abstract: Deformation inhomogeniety of an Al Li Cu Mg Zr alloy was experimentally studied using isothermal compression at elevated temperatures. 采用等温压缩试验研究了一种Al?Li?Cu?Mg?Zr 合金高温塑性变形过程中的不均匀变形现象。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- Al causes operated to bring about the war. 那场战争的起因有几个。
- The concert included works by Mozart et al. 音乐会上演奏莫扎特等人的作品。
- Li Bai is one of the greatest poets the world over. 李白是举世最伟大的诗人之一。
- To all appearance, Mr. Li is going to migrate. 李先生显然是要移民了。
- Li Ming is not so old as Wang Lin. 李明没有王林年龄大。
- Li Lan seldom goes out by herself. 李兰很少自己单独出门。
