Effect of pre-aging on properties of 2000 series aluminum alloy for automotive body sheets;
预时效对汽车用2000系铝合金板材性能的影响
The high-strength 2A97 Al-Cu-Li-X alloys were investigated for the pre-aging effect on their mechanical properties and microstructures by means of tensile test,TEM and SEM.
以高强Al-Cu-Li-X铝锂合金2A97为研究对象,采用拉伸试验、TEM和SEM等手段测试分析了带有预时效双级时效合金组织和性能。
The interaction of the precipitation and recrystallization of the re-aged Cu-Ni-Si alloy have been investigated,the precipitation before the onset of recrystallization in the pre-aging process makes it possible to gain the efficient hardening in the re-aging process and the re-aging strengthening effect with pre-aging at 450℃ for 8h was even more remarkable.
在预时效过程中,析出发生在再结晶之前,使得合金在二次时效过程中获得有效强化,经450℃×8h预时效处理后的合金二次时效强化效果最为明显。
026Al (mass fraction, %) alloy after solid solution and pre-ageing treatments were investigated by means of electron back scatter diffraction (EBSD) techniques.
采用电子背散射衍射(EBSD)技术研究了不同固溶及预时效状态下Pb-0。
The grain boundary character distribution (GBCD) of Pb-Ca-Sn-Al alloy, which were cold rolled (CW) and annealed after solid solution and solid solution plus pre-ageing treatments, were investigated by means of electron back scatter diffraction ( EBSD) techniques.
利用场发射扫描电子显微技术(FESEM)和电子背散射衍射(EBSD)技术研究了固溶和预时效对再结晶态和铸态Pb-Ca-Sn-Al合金冷轧退火后晶界特征分布(GBCD)的影响。
The influences of pre aging and pre deformation on precipitating process and mechanical properties were investigated by means of microhardness measurement and Diffrential Seanning Calorimeter.
结果表明 :预时效能够提高峰值硬度并缩短达到峰值硬度的时间 ,并且预时效对含钛量较高的合金性能的改善尤其明显 ,因为Ti有利于预时效时G 。
Based on the reordering mechanism, the concept of pre aging treatment of non precipitate has been introduced and used fir study of Cu-13.
根据有序化理论 ,提出了预时效概念 ,并用无析出物形成的预时效处理研究了Cu - 13。
Analysis of chaos characteristics and forecasting time-scale of the demand for big-medium-sized tractors;
大中型拖拉机需求量混沌特征分析及预测时效研究
Effect of pre-ageing temperature on mechanical properties and electrical conductivity of 2519 aluminum alloy
预时效温度对2519铝合金力学性能和电导率的影响
Effect of pre-ageing temperature on mechanical properties and electrical conductivity of 2519 aluminum alloy
预时效温度对2519铝合金力学性能和电导率的影响
Effect of Pre-strain and Aging Temperature on Properties of X80 Pipeline Steel
预应变量和时效温度对X80管线钢性能的影响
Observation on therapeutic effect of hypothermic blanket set at different temperatures to lower body temperature
降温毯不同预设温度降温效果观察
Temperature Effect and Time-dependent Behavior of RC Structures Strengthened with Prestressed CFRP Plates;
预应力碳纤维板加固钢筋混凝土结构的温度效应与时效性能
Temperature influence of reinforced concrete box beam on test
预应力混凝土箱梁试验时的温度影响
Time-history Analysis of Temperature Action and Temperature Effects in Concrete Box Girder;
混凝土箱梁温度作用效应的时程分析
Effect of aging temperature on precipitation of Super304H steel
时效温度对Super304H钢析出相的影响
Effect of Aging Temperature on Microstructure and Properties of HSLA100 Steel
时效温度对HSLA100钢组织与性能的影响
Effects of Aging Treated Temperature on the Hardness and Tensile Property of 0Cr12Mn5Ni4Mo3Al Steel
时效处理温度对0Cr12Mn5Ni4Mo3Al钢力学性能的影响
Study on aging temperature of ZL210A casting aluminum alloy
ZL210A铸造铝合金热处理时效温度的研究
Temperature Gradient Analysis of Long-span Prestressed Concrete Box-girder Bridge;
大跨径预应力混凝土连续箱梁桥温度效应分析
Research on Temperature Effects on Prestressed Concrete Continuous Rigid Frame Bridge with High Pier and Large Span
高墩连续大跨预应力刚构桥温度效应影响分析
Analysis of the temperature effect on pre-stressed curve concrete continuous box girder
预应力混凝土曲线连续箱梁温度作用效应分析
The time-temperature equivalence of the adhesive is confirmed.
同时胶粘剂的固化时间和温度存在等效性关系。
Temperature Prediction for Substations Based on Chaotic Time Series
基于混沌时间序列的变电站设备温度预测
Research of Digital Tensioning Technology and Temperature Action on Prestressed Concrete Structure;
预应力数字化张拉技术及预应力结构中环境温度效应的研究
Research on Temperature Effects and Shrinkage-Creep Analysis for Long-span Prestressed Concrete Continuous Rigid Frame Bridges;
大跨径预应力混凝土连续刚构桥温度效应与收缩徐变效应分析
The influence of oxidative time and temperature on the stabilization of polyacrylonitrile fiber
预氧化时间和温度对聚丙烯腈纤维预氧化的影响
