1) secondary ageing
二次时效
1.
The secondary ageing time has little effect on the mechanical properties of the alloy.
二次时效温度高于100℃时,合金的主要强化相由θ′相逐渐转变为Ω相。
2.
The influence of secondary ageing on the mechanical properties of 7055 Al alloy was investigated on the basis of Vickers hardness measurement, tensile test and Kahn tear test.
利用维氏硬度和拉伸力学性能测试、Kahn撕裂试验等方法,研究二次时效对7055铝合金力学性能的影响。
3.
Based on TEM and SEM observation, the effect of secondary ageing on microstructures and Kahn tear fractographs of 7055 Al alloy was investigated.
利用透射电镜和扫描电镜研究了二次时效处理后7055合金显微组织及Kahn撕裂断口形貌特征。
2) T6I6
二次时效(T6I6)
1.
The influence of T6, RRA, second aging(T6I6) and high-temperature pre-precipitation(HTPP)aging on the mechanical properties and corrosion behavior of 7075 aluminum alloy and its mechanism were investigated by tensile test, intergranular corrosion test and TEM observation.
采用室温拉伸和剥落腐蚀、晶间腐蚀方法,结合金相观察和透射电子显微镜(TEM)观察,研究了T6、RRA、二次时效(T6I6)、双极过时效(T73)及高温预析出(HTPP)对7075铝合金力学性能及腐蚀性能的影响及其影响机制。
3) low tempeature progressive treatment
二次低温时效处理
4) secondary-hardening martensite steel
二次硬化马氏体时效钢
5) many aging
多次时效
6) two step aging
两次时效
补充资料：输出反馈(见线性二次型次优控制)
输出反馈(见线性二次型次优控制)
output feedback
3h日c卜口fon以以{输出反馈型次优控制。(output王eedbaek)见线性二次
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条