材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
ポリ塩化ビニルの計装化シャルピ衝撃特性に及ぼす改質剤の影響
鈴木 惠西浦 雅則岩本 正治中西 博中岡 健
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1989 年 38 巻 426 号 p. 294-299

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Two kinds of polyvinyl chloride specimens (Hi-PVC and PVC) with or without blending a reformer for impact resistance were prepared in order to compare their impact resistance properties. The effects of temperature and notch root radius on the specific absorbed energy, the impact strength and the fractographs were investigated by using the instrumented Charpy impact test apparatus.
It was found that the impact resistance property of the PVC specimen depended on the temperature as well as on the notch root radius. It was also found that the Hi-PVC specimen showed a tendency similar to PVC at temperatures below 0°C, but improved its impact resistance property at temperatures above 20°C due to the reformer.

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