核级锆合金铸锭主元素控制概述  

Overview of Main Element Control in Nuclear Grade Zirconium Alloy Ingots

作　　者：袁波 魏统宇 谢梦 田锋 严宝辉 李宇力 YUAN Bo;WEI Tong-yu;XIE Meng;TIAN Feng;YAN Bao-hui;LI Yu-li(Xi'an Western Energy Material Technologies Co.,Ltd.,Xi'an Shaanxi 710016,China)

机构地区：[1]西安西部新锆科技股份有限公司,陕西西安710016

出　　处：《铸造设备与工艺》2024年第4期85-90,共6页Foundry Equipment & Technology

基　　金：中核集团青年英才-菁英项目(CNNC-SFTYS-202201).

摘　　要：锆合金铸锭的质量决定了后工序产品的质量及使用寿命。目前真空自耗电弧熔炼(VAR)方法制得的核级锆锭中存在主元素Sn、Nb、Fe、Cr、Ni、C、O等分布不均匀情况,即宏观偏析现象。本文结合实际生产情况及同行业相关研究数据,阐述了核级锆锭中主元素的分布特点,简要总结了各个元素的控制方法,以期优化锆合金铸锭制备工艺,为提高锆合金铸锭的质量提供参考。The quality of zirconium alloy ingots determines the quality and service life of subsequent process products.At present,there is an uneven distribution of main elements(Sn,Nb,Fe,Cr,Ni,C,O,etc.)in the nuclear grade zirconium ingots produced by vacuum consumable arc melting(VAR)method(i.e.macroscopic segregation phenomenon).This article combines the actual production situation and relevant research data in the same industry to explain the distribution characteristics of main elements(Sn,Nb,Fe,Cr,Ni,C,O,etc.)in nuclear grade zirconium ingots.It briefly summarizes the control methods of each element,in order to optimize the preparation process of zirconium alloy ingots and provide reference for improving the quality of zirconium alloy ingots.

关 键 词：核级锆锭 主元素 偏析 

分 类 号：TG245[金属学及工艺—铸造]