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建立了从(800—2000)℃之间测量金属及陶瓷材料热膨胀系数的设备。能等速升、降温和自动记录温度—膨胀量关系曲线。最大相对误差为±5%,均方根误差为±4%。
A device for measuring the thermal expansion coefficient of metals and ceramic materials from (800-2000) ° C was established. Can speed up, cooling and automatically record the temperature - the expansion of the relationship curve. The maximum relative error is ± 5% and the root mean square error is ± 4%.