摘要:对690合金在冷加工与中间热处理过程中的组织和性能的演化规律进行了研究,结果表明冷轧变形量、退火温度和保温时间均对690合金的晶粒度和硬度有显著的影响。30%冷轧变形量后退火的晶粒度均匀性显著好于50%和70%变形量的。690合金适宜的中间退火工艺为1060℃×10 min或1100℃×3 min。
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