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21. 发明申请

US20060177341A1 Zirconium based alloys having excellent creep resistance 审中-公开
标题翻译：锆基合金具有优异的耐蠕变性
公开(公告)号：US20060177341A1
公开(公告)日：2006-08-10
申请号：US11097726
申请日：2005-03-31
申请人： Yong Jeong , Jong Baek , Byoung Choi , Sang Park , Myung Lee , Je Bang , Jeong Park , Jun Kim , Hyun Kim , Youn Jung
发明人： Yong Jeong , Jong Baek , Byoung Choi , Sang Park , Myung Lee , Je Bang , Jeong Park , Jun Kim , Hyun Kim , Youn Jung
IPC分类号： C22C16/00
CPC分类号： C22C16/00 , C22F1/186
摘要： The present invention relates to a zirconium based alloy composite having an excellent creep resistance and, more particularly, to a zirconium based alloy composite finally heat-treated to have the degree of recrystallization in the range of 40˜70% in order to improve the creep resistance. The zirconium based alloy comprises 0.8˜1.8 wt. % niobium (Nb); 0.38˜0.50 wt. % tin (Sn); one or more elements selected from 0.1˜0.2 wt. % iron (Fe), 0.05˜0.15 wt. % copper (Cu), and 0.12 wt. % chromium (Cr); 0.10˜0.15 wt. % oxygen (O); 0.006˜0.010 wt. % carbon (C); 0.006˜0.010 wt. % silicon (Si); 0.0005˜0.0020 wt. % sulfur (S); and the balance zirconium (Zr). The zirconium alloy manufactured with the composition in accordance with the present invention has an excellent creep resistance compared to a conventional Zircaloy-4, and may effectively be used as a nuclear cladding tube, supporting lattice and inner structures of reactor core in the nuclear power plant utilizing light or heavy water reactor.
摘要翻译：本发明涉及具有优异抗蠕变性的锆基合金复合材料，更具体地说，涉及一种锆基合金复合材料，其最终被热处理以具有在40〜70％范围内的重结晶度，以改善蠕变抵抗性。锆基合金包含0.8〜1.8wt。％铌（Nb）; 0.38〜0.50重量％锡（Sn）; 一种或多种选自0.1〜0.2wt。％铁（Fe），0.05〜0.15wt。％铜（Cu）和0.12重量％％铬（Cr）; 0.10〜0.15wt。％氧（O）; 0.006〜0.010重量％％碳（C）; 0.006〜0.010重量％％硅（Si）; 0.0005〜0.0020重量％硫（S）; 余量为锆（Zr）。按照本发明的组合物制造的锆合金与常规的Zircaloy-4相比具有优异的抗蠕变性，并且可以有效地用作核包层管，在核电站中支撑晶格和反应堆芯的内部结构利用轻水或重水反应堆。

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