研究了热处理工艺T6I6对2195Al-Li合金组织和性能的影响,结果表明:2195Al-Li合金的断裂韧性与析出相的密度、尺寸及分布有关,而以T1相的密度、尺寸和分布影响最大;T6I6热处理工艺抑制T1相在亚晶界析出并促进T1和θ'相在晶内细小弥散析出,从而使2195合金在强度没有降低的条件下相对T6工艺提高合金塑性及断裂韧性.
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