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wukangjian

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[求助] 求教测定金属泡沫热导率的方法

请问多孔金属泡沫(5-10%的相对密度)在高温下的热传导率一般是用什么方法测定的? 可不可以用激光脉冲法先测定密实金属样品的热扩散率,然后再乘以金属泡沫的密度和比热容算出它的热导率? 还是需要专门测金属泡沫热导率的仪器测定?

恳请不吝赐教,非常感谢!!
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