高分子絶縁材料における球晶分布状態とトリー進展の関係
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概要
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The crystalline morphology of polypropylene (PP) is spherulites which are formed during cooling process from melted state. It is known that spherulites influence progress of electric treeing in PP. In this paper, we discussed the influence which the distribution of spherulites gives to the progress of electrical treeing in the specimen of PP. As the result, we understood when distribution density of spherulites is low, tree generating voltage is high and cannot breakdown easily, and when distribution density of spherulites is high, tree generating voltage is low and can breakdown easily.
- 2004-02-28