钢蜂窝夹芯结构的准静态压缩吸能特性
Quasi-static Compression Energy-absorption Properties of Steel Honeycomb Structures
摘 要
利用MTS810型材料试验机对Q215钢蜂窝夹芯结构进行了准静态压缩试验,分析了其结构参数对抗压强度和比吸能值的影响.结果表明:Q215钢蜂窝夹芯结构具有良好的吸能特性,比吸能值达到5~38 kJ·kg-1;沿x,y方向压缩时,抗压强度和比吸能值均随面板厚度与夹芯厚度比的增加而增大;沿z方向压缩时,抗压强度和比吸能值均随胞壁厚度与胞壁边长比的增加而增大.
应力-应变曲线
抗压强度
吸能
honeycomb structure
stress-strain curve
compressive strength
energy absorption
Abstract
The quasi-static compressive experiments of plain carbon steel Q215 were conducted on MTS810 tester.The effect of structure parameters on specific energy-absorption and compressive strength was analyzed for steel honeycomb structures.The results show that honeycomb structures of plain carbon steel Q215 were characterized by excellent energy-absorption capacity with the specific energy-absorption of 5-38 kJ·kg-1.The compressive strength increased with the ratio of face thickness to core thickness for x and y direction compression.Meanwhile they increased with the ratio of cell wall thickness to cell length for z direction.
中图分类号 TG142 V214.6
所属栏目 材料性能及其应用
基金项目 国家“863”高新技术研究发展计划项目(2002AA334070)
收稿日期 2008/5/15
修改稿日期 2009/2/15
网络出版日期
作者单位点击查看
备注井玉安(1967-),男,辽宁北镇人,副教授,博士.
引用该论文: JING Yu-an,WANG Yu-min,HAN Jing-tao,GUO Shi-ju. Quasi-static Compression Energy-absorption Properties of Steel Honeycomb Structures[J]. Materials for mechancial engineering, 2009, 33(5): 55～58
井玉安,王玉民,韩静涛,果世驹. 钢蜂窝夹芯结构的准静态压缩吸能特性[J]. 机械工程材料, 2009, 33(5): 55～58
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【3】陈勇军,左孝青,史庆南,等.金属蜂窝的开发、发展及应用[J].材料导报,2003,17(12):32-35.
【4】HAYDN N G W,NORMAN A F,ANTHONY G E.Fabrication and structural performance of periodic cellular metal sandwich structures[J].Composites Science and Technology,2003,63(16):2331-2343.
【5】HONG S T,PAN J,TYAN T,et al.Quasi-static crush behavior of aluminum honeycomb specimens under compression dominant combined loads[J].International Journal of Plasticity,2006,22(6):73-109.
【6】余同希,卢国兴.材料与结构的能量吸收-耐撞性·包装·安全防护[M].北京:化学工业出版社,2006.
【7】井玉安,韩静涛,果世驹,等.普碳钢蜂窝夹芯板的面外压缩性能[J].北京科技大学学报,2007,29(12):1235-1241.
【8】井玉安,果世驹,李志军,等.钢蜂窝夹芯板面内压缩性能[J].机械工程材料,2007,31(8):19-22.
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