通过光学显微镜(OM)观察、拉伸试验、XRD及EBSD检测分析,研究了预回复退火对7085铝合金微观组织性能的影响,并对其强化机理进行了初步研究.结果表明,预回复退火处理可有效细化7085型铝合金挤压材晶粒尺寸,抑制再结晶,提高拉伸力学性能;强度提高归因于低角度晶界及位错强化.
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