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本文讨论了用激光脉冲法测量石墨材料的高温热扩散系数和用激光扫描法测量石墨的线性热膨胀,最高测试温度可达2500℃以上,测试误差在5%以内。
This paper discusses the measurement of high temperature thermal diffusivity of graphite materials by laser pulse method and the linear thermal expansion of graphite by laser scanning. The maximum test temperature is up to 2500 ℃ and the test error is within 5%.