At lower temperature, the strength, hardness, plasticity and ductility of the alloy at the second ageing peak are higher than those at the first one.
两个时效峰的硬度和强度相差很小,在较低温度下时效第二峰的强度、硬度、塑性、韧性较高。
A large number of experimented researches and earthquake indicate that most damages belong to the areas of plasticity hinge of piers in server earthquake, because piers lack curve ductility.
大量的试验研究和地震震害表明,在强烈地震作用下,桥梁墩柱的塑性铰区域遭到破坏较多,是由于墩柱的弯曲延性不足而导致。
The results show that as the normalized temperature is increased, the volume fraction of ferrite decreases, hardness and strength increases, plasticity and ductility decreases.
结果表明,随正火温度的提高,铁素体数量减少,硬度与强度提高,塑性与韧性降低。
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