A Study on The Effects of Foreign Materials on The SG Tubing
作者单位：UMI Inc.DaejonS.KOREA Korea Hydro & Nuclear Power Co.LtdDaejonS.KOREA
会议名称：《17th World Conference on Non-Destructive Testing》
会议日期：2008年
学科分类：08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 081102[工学-检测技术与自动化装置] 0811[工学-控制科学与工程]
关 键 词：Eddy current testing Steam generator Foreign materials
摘 要：正The integrity of the Steam Generator （SG） tubes is challenged by numerous factors,such as flaws,operation atmosphere,inherently degraded materials,and even human *** the factors,foreign materials on the secondary side of the tubes can cause volumetric defects and even leakage from the primary to the secondary side with an extremely rapid growth rate of *** order to prevent this catastrophic event,it is imperative to detect and characterize the foreign