アミラン網絲に対する加熱の影響について
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概要
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We had the experiments on after effect of 250 D 2/6 (Upper twist: 63 and lower twist: 115 for lenght 20cm), 2/4 (Upper twist: 76, lower twist: 121) and 3/6 (Upper twist: 62, lower twist 113) amilan cords heated up to various temperature. From this experiments the results obtained are as follows; (1) Elongation of 250 D 2/6 amilan cord under constant tention increases the temperature-rises for high temperature than 100°C (Fig. 1.1 and Fig. 2.1). (2) As seen in Fig. 1.2 and Fig. 2.2 inflexional points of elongation of 250 D 2/6 amilan cord due change of tension has been found about 1.5 and 3.5kg respectively. The relation between of tension and variability of elongation, as shown in Fig. 3, these curves has a minimum of variability at about 2.0kg. (3) Tensile strength and elongation of 250 D 2/6, 3/6 and 2/4 amilan cords decrease with the temperature-rises, and variability of tensile strength increases with the temperature, but variability of elongation decreases: the tensile strength of amilan cords fells in proportion as temperature increases, and then the tensile strength of its cords has somewhat unequal, while the deviation of elongation (at break) fades.
- 公益社団法人 日本水産学会の論文