CAJ | 학술논문

在微观层面建立铝材料正方体纳米原子模型，采用结合修正莫斯势能的分子静力学理论和算法，对其进行仿真求解，对形体热变形机理给予了科学的论证，并给出宏观热变形实验结果。微观分析与宏观实验从机理理论和实验两个层面论证了机械形体热变形非相似性特征的客观存在，弥补了机械形体热变形非相似性特征长期局限于实验验证的缺陷，完善了机械形体热变形理论基础。同时，将分子静力学理论引入对热膨胀机理的研究中，拓展了热变形理论研究思路。
재미관층면건립려재료정방체납미원자모형，채용결합수정막사세능적분자정역학이론화산법，대기진행방진구해，대형체열변형궤리급여료과학적론증，병급출굉관열변형실험결과。미관분석여굉관실험종궤리이론화실험량개층면론증료궤계형체열변형비상사성특정적객관존재，미보료궤계형체열변형비상사성특정장기국한우실험험증적결함，완선료궤계형체열변형이론기출。동시，장분자정역학이론인입대열팽창궤리적연구중，탁전료열변형이론연구사로。
Building a nano-atomic model of cube aluminum materials at microscopic level and sol-ving it by using the molecular statics theory and algorithms with the modified Morse potential ,the pa-per demonstrated thermal deformation mechanism of part scientifically and gave the results of macro-scopic thermal deformation experiments .The microscopic analysis and macroscopic experiments prove the existence of dissimilarity of mechanical part thermal deformation ,making up defects of demonstra-ting them only by macroscopic experiments and improving the mechanical part thermal deformation theory .Meanwhile ,the molecular statics theory was introduced into research on the mechanism of thermal expansion ,which expands a new research way of mechanical thermal deformation theory .