采用光学显微镜(OM)和场发射扫描电镜(FESEM)对FGH96合金在不同冷却介质下γ'相的析出行为进行了实验研究.结果显示:时效前后,γ'形态均为球形,水冷得到的γ'相尺寸最小.硬度测试结果表明:水冷得到的合金硬度值最大,油冷次之,盐浴冷最小;时效后,硬度仍然保持冷却后相应的顺序.
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