刚买的导热硅脂,可以直接抹在CPU上吗

2025-03-13 02:33:40
推荐回答(5个)
回答1:

这玩意大概分2种
一:导热硅脂 目前被广泛使用优点容易擦掉好清理CPU和散热器。市场卖白色灰色的但是粘稠度不一有的粘稠度高一点有的稀一点。原装的CPU 涂抹的是灰色的粘稠度适当主要是在硅脂中添加了一定数量的石墨来增加导热性。买到粘稠度低的导热硅脂可以自己添加原料调节状态。方法:
1:铅笔芯在光滑的玻璃或金属板上,仔细摩擦要细细的粉末也可以说是粉尘添加到白色硅脂中调和均匀就和原装cpu硅脂一样了。铅笔芯的粉末必须细,如有颗粒会影响散热。
2:添加锡,添加锡把白色硅脂滴一点在不太平画滑的金属板上铜铝最好,拿块锡沾着硅脂磨象写书法研磨一样,很费力,慢慢的硅脂就会改变颜色,同样不能有颗粒杂质在里面。
3:添加铝。用一个不用的铝制散热器,平的一面涂抹硅脂。然后在铝板上磨,直到硅脂变成灰色,黏稠后就行。
还有铜,铝合金等都可以添加方法大同小异。注意*导热硅脂是绝缘的添加以上物品后会导电涂抹时注意就行了。其实市场上卖的那些高档硅脂就是普通硅脂里添加了一些其它成分来提高导热效果。
还有一种电子市场卖的硅脂本身就是导电的,,还有绝热的硅胶样子和散热硅胶一样如果CPU 抹了他就是杯具,买时一定要注意。就行了。
理论上普通硅脂添加金属后导热效果最好,但由于金属不好加工成极细的粉末容易有细小颗粒,所以实际使用中可能没有加入石墨硅脂效果好(就是铅笔芯的粉末好加工)。本人在K6 2 年代见过用金戒指沾硅脂磨散热器的。还有毕竟不是专业,具体添加比例只能仁者见仁,智者见智了。我常以上用方法3。简单。
二:导热硅胶 不同于导热硅脂,硅胶比较粘稠,涂抹后有靠CPU的温度融化起到导热作用同时CPU和散热器也胶在一起了,缺点机器凉了散热器就拿不下来,必须开一段时间后关机就拿下来才行,清理CPU和散热器也麻烦,优点CPU和散热器粘牢了可以减少摩擦,减少一点震动。我N年不这种硅胶了用了。
现在导热硅脂,硅胶。种类很多,只要是添加同等材质的性能都差不多。买了现成的省事。如果有空可以试试上述方法。如果我来选择还是买添加金属的比较好。
总体来说散热是一个系统的话题,(主要指风冷)不能单单考虑只CPU的散热,机箱内其他散热装置不合理。光讨论CPU降温散热 及用什么硅脂是远远不够的,只有在机箱风道设置合理科学,保证机箱内空气最大限度的流通,的前提下才能针对某个配件进行重点调整。最简单的道理就是,一个密封的不流动空气的空间内,温度只会随环境温度而改变,CPU.包括硬盘,显卡,等等所散发出的热量必须排除机箱才行。整台电脑并不是只有某一个配件在发热。降温原理如同性能的木桶原理一样。木桶装水是取决于最短的那块木板,机箱温度是取决于最高的发热配件。(不知比喻是否恰当)
至于用牙膏代替硅脂,难道就是因为有一种清凉的感觉吗?我没试过,也不敢式。
本人观点,如有雷同,纯属巧合。。。。。。望老鸟手下留情。

回答2:

当然可以了,首先要把原来的清理干净,再抹上新的就行了。

回答3:

完全可以.本来就是干这个的.注意别太多了.

回答4:

薄薄一层就可以

回答5:

不要太多

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