ageing strengthening造句

• The third , the strengthening mechanisms of above alloys mainly include solution strengthening , strain - strengthening and aging strengthening
  研究合金的强化机制包括固溶强化、加工硬化及析出强化。
• With the background of studying copper alloy bar for asynchronism traction electromotor , a kind of copper bar and its preparation techniques are developed , and its hardness , tensile properties , electrical properties and microstructure are studied . furthermore , the rule of structure and properties changing with heat - treatment is especially illustrated . the results show : the first , there is obvious aging strengthening effect in cu - 10zn - 0 . 8 ( cr , zr ) alloy
  论文以城市轻轨列车异步牵引电机用铜合金导条为研究背景，研究开发了cu - 10zn - 0 . 8 ( cr , zr )合命导条的制备工艺，测试了导条的硬度、拉伸力学性能和导电性能，观察了导条的金相组织和电镜显微组织，重点研究了时效处理对导条组织、力学性能和导电性能的影响，得出了导条组织、性能随时效温度和时效时间变化的规律。