Review of progress and challenges of key mechanical issues in high-field superconducting magnets

作     者：You-He Zhou Dongkeun Park Yukikazu Iwasa 

作者机构：Key Laboratory of Mechanics on Disaster and Environment in Western China attached to the Ministry of Education of China Lanzhou University Department of Mechanics and Engineering SciencesCollege of Civil Engineering and Mechanics Lanzhou University The Plasma Science and Fusion CenterFrancis Bitter Magnet LaboratoryMassachusetts Institute of Technology 

出 版 物：《National Science Review》 (国家科学评论(英文版))

年 卷 期：2023年第10卷第3期

页      面：29-50页

核心收录：

学科分类：080705[工学-制冷及低温工程] 07[理学] 070205[理学-凝聚态物理] 08[工学] 0807[工学-动力工程及工程热物理] 0702[理学-物理学] 

基　　金：supported by the Fund of 111 Project (B14044) 

主　　题：REBCO second-generation high-temperature superconducting coated conductors (REBCO 2G-HTS CCs) high-field magnets mechanics screening-current effect 

摘      要：The development of modern science and technology requires high magnetic fields exceeding 25 ***-generation high-temperature superconducting wires,***（REBa2Cu3O7-x,RE refers to Y,Gd,Dy,Eu and other rare-earth elements） coated conductors（CCs）,have become the first choice for high-field magnet construction because of their high irreversible magnetic *** mechanical stresses caused by manufacturing,thermal mismatch and Lorenz forces closely influence electromagnetic performance during operation for REBCO *** addition,the recently studied screen currents have effects on the mechanical characteristics of high-field REBCO *** this review,the experimental and main theoretical works on critical current degradation,delamination and fatigue,and shear investigations on REBCO CCs,are reviewed at ***,research progress on the screening-current effect in the development of high-field superconducting magnets is ***,the key mechanical problems facing the future development of high-field magnets based on REBCO CCs are prospected.