The microstructure and mechanical properties of a copper bearing age hardening steel were studied.
研究了含铜时效钢焊接热影响区的组织与性能。
The new domestic - developed plastic mould steels include prehardening steel . age hardening steel, quenching-tempering steel, cold -forming steel, and anti - corrosion steel, etc.
国产新型塑料模具钢主要有预硬钢、时效硬化钢、淬火——回火钢、冷挤压成型模具钢、耐蚀钢等类型。
The results showed that as the content of Ti increasing , fine precipitates distribute dipersely, grain fine and age - hardening enhanced in the steel, so tensile strength in this steel is improved.
研究发现，钛含量增加，使钢中获得细小沉淀物的弥散分布，细化晶粒，增强时效硬化，从而提高该钢的抗拉强度。
Age hardening is the most distinct feature of the steel.
铜的时效硬化是该钢最显著的特点之一。
Age hardening is the most distinct feature of the steel.
铜的时效硬化是该钢最显著的特点之一。
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