alloy n. 1.合金。 2.(合金中的)劣等金属。 3.(金银的)成色,成份。 4.〔比喻〕搀杂品。 Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。 pleasure without alloy 玩得痛快。 vt. 1.合铸,熔合(金属)。 2.在…中搀以杂质;使(金属)减低成色。 3.减损(兴趣等)。 vi. 熔合,搀。
Friction stir welding process of 01420 aluminum - lithium alloy 01420铝锂合金的搅拌摩擦焊接
Development of aluminum - lithium alloys 铝锂合金研究进展
History and current status of aluminum - lithium alloys research and development 铝锂合金研究开发的历史与现状
Research progress in effects of elements on microstructure of aluminum - lithium alloys 合金的合金化及组织研究进展
The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions . the interdependence of flow stress , strain rate , strain and deformation temperature for the alloy at high temperature has been studied 本文通过高温压缩和高温拉伸试验,研究了中强可焊1420铝锂合金热变形时不同变形条件下的应力-应变关系、变形条件对合金流变应力的影响;运用多元回归分析方法,采用c语言编程确定了合金的本构关系方程;引入z参数,求解了部分材料常数,并用于材料的组织性能研究中。
The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om , x - ray , sem and tem , the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed . at the same time , the fracture behavior has been studied as an important part . the fracture mechanism of 1420 aluminum - lithium alloy was confirmed 结合金相显微镜、 x -射线衍射、扫描电镜、透射电镜等现代化的试验手段,研究了中强可焊1420铝锂合金热变形不同变形条件下的组织变化及软化机制,分析了不同变形条件对合金材料组织变化的影响,确定了合金材料的软化行为机理;同时,结合合金材料的热变形高温拉伸试验,重点研究了材料的断裂行为,分析了合金材料的断裂现象,探讨了合金材料的断裂机理。