Light water reactor control rod
专利汇可以提供Light water reactor control rod专利检索，专利查询，专利分析的服务。并且PURPOSE: To reduce radiation quantity by eliminating substantially cobalt constituent of product material developed by friction wear with use of anti-friction nickel alloy for check pin of guide roller and limitter roller of control rod.
CONSTITUTION: Check pin for guide roller 4 and limitter roller 7 of reactor control rod is made of alloy having constituent of chromium 30W40%, aluminum 2.0W 4.0% and the remaining substantially nickel in weight ratio. Chromium is an element necessary to increase anti-wear property, for constituent of which is less than 30% it may be unsuitable to obtain sufficient anti-wear property, with more than 40% it may be unsuitable for forging work. Further, aluminum is an element to improve anti-wear property, for constituent of which is less than 2.0% it may not obtain sufficient anti-wear property. Further, aluminum is an element to improve anti-wear property, for constituent of which is less than 2.0% it may not obtain sufficient anti-wear property. Further for more than 4.0% it may not be suitable for forging work same as chromium.
COPYRIGHT: (C)1979,JPO&Japio，下面是Light water reactor control rod专利的具体信息内容。
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