为了深入研究含铜钢的时效析出强化规律,利用透射电镜观察了Fe-1.15%Cu高纯净钢固溶态的微观组织形貌,探讨了含铜钢固溶态基体特性对时效析出行为的影响.结果表明,含铜高纯净钢固溶处理后,铜溶质原子并非均匀分布于铁素体基体,而是以一种不均匀的短程有序形式存在.有序畴的存在可为随后的时效析出创造有利条件,从而对含铜钢的时效强化行为产生一定影响.
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