In order to solve the softening problem of silver during natural aging pure silver (99.
为解决银材自然时效软化的问题,在99。
To introduce natural aging of galvanized low carbon steel wire after softening treatment and effect of the aging on mechanical properties of steel wire.
介绍镀锌低碳钢丝经软化处理后产生的自然时效及其对钢丝力学性能的影响。
Hard anodizing film could be obtained on Al-Cu alloy surface which had been treated with solid solution treatment and natural aging.
经固溶处理和自然时效的铝铜合金可以进行硬质阳极氧化。
It has been found that the damping capability of the alloy has been improved after solution-treatment and natural ageing.
对铸造稀土变质ZA27合金进行固溶处理,并进行长时间自然时效。
To study the variation law of mechanical properties of SWRH 82B wire rod for PC steel wire and strand by natural ageing.
研究ＰＣ钢丝和钢绞线用ＳＷＲＨ８２Ｂ盘条自然时效后力学性能的变化规律，指出ＳＷＲＨ８２Ｂ盘条轧后室温放置一段时间，强度基本保持不变而延伸率和面缩率明显升高的原因是由于钢中的氢从基体中扩散出去。
Through the analysis of the example and mechanism, the natural ageing cycle of the structure welded by than plate is less than the one welded by solid metal.
通过实例分析,得出薄板焊接结构件自然时效周期远远小于实心件周期,并对其机理进行了分析。