显卡散热越来越差？劣质导热膏被指是元凶

显微镜观察发现，劣质导热膏中含有一种会迅速挥发的油性液体。问题在于，这种液体并不在导热膏内部，而是漂浮在导热膏中直径达 16 微米的巨大氧化铝颗粒之间。这些氧化铝颗粒虽然起到了提升初始热导率的作用，但油性液体的挥发导致导热膏逐渐失效，形成类似隔热层。

几乎所有显卡都存在类似情况，与显卡品牌无关。
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