CAJ | 학술논문

利用分离式霍普金森压杆实验装置（SHPB），对多孔铁合金在高应变率下的力学行为进行了研究，分析了材料的相对密度和应变率对其力学性能的影响。提出了一个能够描述多孔铁合金的力学行为的多参数唯象本构模型，并将本构模型预测的结果与实验结果进行了对比，其误差不超过10％，模型预测结果与实验结果吻合较好。本研究对多孔铁合金在工业设计和工程应用有一定的指导意义。
이용분리식곽보금삼압간실험장치（SHPB），대다공철합금재고응변솔하적역학행위진행료연구，분석료재료적상대밀도화응변솔대기역학성능적영향。제출료일개능구묘술다공철합금적역학행위적다삼수유상본구모형，병장본구모형예측적결과여실험결과진행료대비，기오차불초과10％，모형예측결과여실험결과문합교호。본연구대다공철합금재공업설계화공정응용유일정적지도의의。
An experimental investigation on the mechanical behavior of porous iron alloy at high strain rates was carried out using SHPB apparatus in this study to explore the effects of rela‐tive density and strain rate .Furthermore ,a multi‐parameter constitutive model ,w hich is able to fully describe the behavior of porous bronze ,was developed .The calculated and experimental re‐sults were compared and the comparison showed that there is a good agreement (the error less than 10% ) between the calculated and experimental results .This study has a guiding significance to the industrial design and application of porous iron alloy .