抄録
The moduli of elasticity of plastics are ordinarily determined by extensometers. But no extensometer can work well when the measurement of the modulus has to be made in the furnace or in the immersion testing equipment.
In this paper, a new method is proposed to determine the moduli of elasticity of plastics without using the extensometer, and a report is made of an examination performed as to whether this method is applicable to several commercially available plastics.
The results show that the estimated values calculated by this method are in good agreement with the values measured by means of the extensometer.
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