采用光学显微镜、扫描电子显微镜、万能力学试验机等测试分析手段,研究中间退火对5182铝合金完全退火态(5182-O)板材组织和性能的影响.结果表明:与未经中间退火的5182-O板材相比,中间退火后的5182-O板材晶粒尺寸过于细小,金属间化合物破碎不充分、尺寸大,弥散析出相数量少;屈服强度、抗拉强度、加工硬化指数和塑性应变比厚向各向异性降低,塑性应变比平面各向异性增大;板材的组织、力学性能和成形性能未获得有效改善和提高.
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