Laser flash method is widely studied and applied in the aspect of determination of coefficient of thermal conductivity of materials.The thermal conductivity of silicon carbide material bonded with silicon nitride is determined with laser flash method,the factors that have influence on accuracy are analyzed and the corresponding measures are put forward.%激光闪射法在材料导热系数的测量方面已得到广泛研究和应用。利用激光闪射法测试了氮化硅结合碳化硅材料的导热系数,分析了影响结果准确性的因素,并提出了相应措施。
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