高压力学方法及研究进展  

Methods and Research Progress in High Pressure Mechanics

作　　者：周晓玲 王潘 ZHOU Xiaoling;WANG Pan(School of Science,Harbin Institute of Technology,Shenzhen 510085,Guangdong,China)

机构地区：[1]哈尔滨工业大学(深圳)理学院,广东深圳510085

出　　处：《高压物理学报》2023年第5期1-8,共8页Chinese Journal of High Pressure Physics

基　　金：国家自然科学基金(12202126);广东省重大人才工程引进类项目(2021QN02C100)。

摘　　要：高压力学研究在材料学领域和地学领域掀起了交叉科学研究的热潮,为高难度材料制备、材料力学性能改善、地震波各向异性成因及地球内部动力学过程研究等科学问题提供了解决方案。针对高压力学领域的研究方法,介绍了金刚石对顶砧结合X射线径向衍射法、旋转型金刚石对顶砧施加剪切应变法、高压扭转型压机施加剪切应变法、D-DIA型大腔体压机形变法和冲击压缩产生塑性形变法及其研究进展,展示了压应力与剪切力的耦合作用在调控材料的结构、性能及宏观力学行为方面的独特效应,揭示了高压力学研究的价值与应用潜力。High pressure mechanics has set off a great wave of interdisciplinary researches among materials science and geosciences,providing solutions for the synthesis of novel materials with high challenge,improvement of mechanical properties of materials,and understanding of the seismic anisotropy and geodynamics in the inner of the Earth.Here we have reviewed recent research progress in high pressure mechanics,which includes diamond anvil cell combined with X-ray diffraction in a radial geometry,rotational diamond anvil cell induced shear strain,high pressure torsion-imposed shear strain,D-DIA induced plastic deformation and shock compression induced plastic deformation.These findings show the unique coupling effect of compression constraint and shear stress on tuning the structure,properties and mechanical behavior of materials,revealing the value and potential of high-pressure mechanics in research and application.

关 键 词：高压力学 材料力学 塑性形变 剪切应变 金刚石对顶砧 

分 类 号：O521.3[理学—高压高温物理] O521.2[理学—物理]