电焊机2024，Vol.54Issue(2)：89-97,9.DOI:10.7512/j.issn.1001-2303.2024.02.14
水电高强钢强化机制与焊接性的研究进展
Research on Strengthening Mechanism and Weldability of Hydropower High Strength Steel
摘要
Abstract
As the core material for high-speed,high-efficiency,and high-capacity hydropower generator units,the strength-ening mechanism and welding characteristics of hydropower steel are currently the focus of research.This paper summarizes the recent development of hydropower steel,deeply analyzes its chemical composition,microstructure,and properties,as well as the impact of various strengthening mechanisms on its strength.It is found that fine-grain strengthening,solid-solution strengthening,dislocation strengthening,and second-phase strengthening can effectively enhance the strength of hy-dropower steel.Additionally,this paper discusses in detail the crack tendency of welded joints of hydropower high-strength steel,the matching mechanism of weld metal and base metal's strength and toughness,as well as the performance changes in the heat-affected zone.This research not only provides theoretical support for optimizing the performance of hydropower steel,but also provides strong support for technological advancements in related fields.关键词
水电用高强钢/组织性能/强化机制/焊接性特点Key words
steel for water and electricity/microstructure and properties/strengthening mechanisms/weldability characteris-tics分类
矿业与冶金引用本文复制引用
范晨阳,包晔峰,韦尚志,宋亓宁,许楠,杨可,蒋永峰..水电高强钢强化机制与焊接性的研究进展[J].电焊机,2024,54(2):89-97,9.基金项目
国家自然科学基金(51879089) （51879089）
