基于MBN的便携式RPV钢辐照脆化检测系统设计
Design of portable RPV steel irradiation embrittlement detection system based on MBN
摘 要
反应堆压力容器（Reactor Pressure Vessel，RPV）长期工作在强中子辐照环境下，材料会受到辐照损伤，从而影响其使用寿命。针对这一问题，基于磁巴克豪森噪声（Magnetic Barkhausen Noise，MBN）效应原理，建立巴克豪森传感器的三维仿真模型，仿真结果验证了传感器结构的有效性，确定了传感器的最优参数。同时以TMS320F28335开发板为核心研制了一套针对小尺寸RPV钢辐照脆化的便携式检测系统，验证了该系统的重复性与稳定性。
反应堆压力容器
有限元仿真
便携式
magnetic barkhausen noise
reactor pressure vessel
finite element simulation
portable
Abstract
Reactor pressure vessel (RPV) operating under intense neutron irradiation for a long time will suffer radiation damage, which will affect its service life. Aiming at this problem, based on the principle of magnetic Barkhausen noise (MBN) effect, a three-dimensional simulation model of Barkhausen sensor is established. The validity of sensor structure and its optimal parameters are verified by simulation results. At the same time, a portable detection system for irradiation embrittlement of small size RPV steel is developed, which is based on the development board of TMS320F28335. Then, the repeatability and stability of the system are further verified.
中图分类号 TG115.28 DOI 10.11973/wsjc201912003
所属栏目 2019远东无损检测新技术论坛论文精选
基金项目 南京航空航天大学研究生创新基地（实验室）开放基金资助项目（kfjj20180313）；国家重点研发计划资助项目（2017YFB0702200）；国家自然科学基金资助项目（11675123，11775255）
收稿日期 2019/6/25
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备注王荣耀(1995-),男,硕士,主要研究方向为无损检测技术及系统,983590474@qq.com
引用该论文: WANG Rongyao,WANG Haitao,LIU Xiangbing,JIANG Menghao,QIAN Wangjie,WANG Jiaxing. Design of portable RPV steel irradiation embrittlement detection system based on MBN[J]. Nondestructive Testing, 2019, 41(12): 12～16
王荣耀,王海涛,刘向兵,蒋梦浩,钱王洁,王嘉星. 基于MBN的便携式RPV钢辐照脆化检测系统设计[J]. 无损检测, 2019, 41(12): 12～16
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【5】WANG J A, RAO N S V, KONDURI S. The development of radiation embrittlement models for US power reactor pressure vessel steels[J]. Journal of Nuclear Materials, 2007, 362(1):116-127.
【6】佟振峰, 林虎, 宁广胜, 等. 低铜合金反应堆压力容器钢辐照脆化预测评估模型[J]. 原子能科学技术, 2009, 43(12):103-108.
【7】邱天,罗英,马姝丽,等. 基于辐照脆化的反应堆压力容器60年设计寿命改进分析[J].核动力工程, 2013,34(z1):103-108.
【8】MARGOLIN B Z, YURCHENKO E V, MOROZOV A M, et al. Prediction of the effects of thermal ageing on the embrittlement of reactor pressure vessel steels[J]. Journal of Nuclear Materials, 2014, 447(1):107-114.
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