材料工程2026，Vol.54Issue(1)：30-45,16.DOI:10.11868/j.issn.1001-4381.2025.000435
基于同步辐射原位表征的铝/钢异质材料界面组织与缺陷演化及变形机制研究进展
Research progress in interfacial microstructure,defect evolution and deformation mechanisms of Al/steel dissimilar materials based on synchrotron radiation in-situ characterization
摘要
Abstract
Revealing the evolution and deformation mechanisms of interfacial microstructures and defects plays a crucial role in regulating the interfacial microstructures and properties of Al/steel dissimilar joints.However,conventional characterization methods are often inadequate for effectively elucidating the dynamic evolution mechanisms at the interface.This paper reviews the breakthrough progress of synchrotron radiation in-situ characterization techniques in elucidating the interfacial metallurgical reactions and strengthening-toughening mechanisms of Al/steel joints.By utilizing synchrotron radiation X-ray two-dimensional imaging,micro-tomography,and diffraction techniques,in-situ observations are achieved for the heterogeneous dissolution of steel,interfacial diffusion reactions,solidification behavior during Al/steel-liquid/solid interfacial reactions,as well as the deformation behavior of joints under load.These studies have provided deep insights into the growth kinetics and three-dimensional morphological evolution mechanisms of tongue-shaped Fe2Al5,irregular FeAl3,and faceted Si phases at Al/steel interfaces.Furthermore,the geometric morphology and spatial distribution characteristics of pores are remodelled,the evolution of residual stress distribution in components is characterized in-situ,and the mechanisms of crack initiation and propagation in heterogeneous components under loading conditions are clarified.Synchrotron radiation techniques overcome the limitations of traditional two-dimensional static characterization,providing dynamic experimental data for understanding the dissolution-diffusion-solidification processes and damage behavior under load at Al/steel interfaces.Future work should focus on in-situ studies of the metallurgical and mechanical behaviors at Al/steel interfaces under multi-field coupling or complex extreme conditions,as well as the development of intelligent in-situ characterization platforms.关键词
铝/钢异质材料/同步辐射原位表征/组织与缺陷/残余应力/变形行为Key words
Al/steel dissimilar material/synchrotron radiation in-situ characterization/microstructure and defect/residual stress/deformation behavior分类
通用工业技术引用本文复制引用
黄冠,杨俊朝,丁宗业,黎海兵,朱文博,纠永涛,路全彬,龙伟民,胡侨丹..基于同步辐射原位表征的铝/钢异质材料界面组织与缺陷演化及变形机制研究进展[J].材料工程,2026,54(1):30-45,16.基金项目
国家自然科学基金项目(52474401) （52474401）
广东省基础与应用基础基金项目(2023A1515140124,2025A1515012873) （2023A1515140124,2025A1515012873）
