研究了孔隙率低于65%的球形孔泡沫铝合金的单轴压缩应力应变曲线、吸能能力和吸能效率,并与多面体形孔泡沫铝合金比较,表明球形孔使力学性能有较大提高.采用球形自洽模型研究了球形孔泡沫铝合金的屈服应力与孔隙率关系,与实验结果吻合良好,表明该模型可以有效地预测球形孔泡沫铝合金的屈服强度.
参考文献
| [1] | Banhart J;Ashby M F;Fleck N A.Cellular Metals and Metal Foaming Technology[A].Bremen:Verlag MIT,2001:5-55. |
| [2] | Gibson L J;Ashby M F.Cellular Solids:Structure and Properties[M].Cambridge,1997 |
| [3] | Ashby M F;Evans A G;Fleck N A.Metal Foams:A Design Guide[M].,2000:60. |
| [4] | ZHEN Ming-jun;HE De-ping;DAI Ge .The additional force in the cooling process of cellular Al alloy[J].Science in China(Series B),2002,32(03):137-143. |
| [5] | 何思渊,臧晓云,何德坪.轻质能量吸收器[J].中国科学B辑,2005(04):265-267. |
| [6] | 郑明军,何德坪.新型高强度胞状铝合金的压缩及能量吸收性能[J].材料研究学报,2002(05):473-478. |
| [7] | 何德坪;郑明军 .闭孔隙泡沫铝合金的制备方法[P].CN 02112600.3 |
| [8] | Zou Yi,HE Deping,JIANG Jiaqiao.New type of spherical pore Al alloy foam with low porosity and high strength[J].中国科学B辑(英文版),2004(05):407-413. |
| [9] | 何德坪;邹毅;尚金堂 .低孔隙率闭孔泡沫铝合金的制备方法[P].CN 200310106496.2 |
| [10] | SHANG Jintang,HE Deping.Spherical foam growth in Al alloy melt[J].中国科学B辑（英文版）,2005(03):195-202. |
| [11] | Babcsan N;Leitimeier D;Banhart JB .Metal foams - high temperature colloids - Part I. Ex situ analysis of metal foams[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2005(1/3):123-130. |
| [12] | 尚金堂 .球形孔泡沫铝合金和二次泡沫化形成异型件研究[D].东南大学,2006. |
| [13] | Mccullough K Y G;Fleck N A;Ashby M F .Uniaxial stress-strain behavior of Al alloy foams[J].Acta Materialia,1999,47(08):2323-2330. |
| [14] | Andrews E;Sanders W;Gibson L J .Compressive and tensile behavior of aluminum foams[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1999,270:113-124. |
| [15] | LU Zi-xing;GAO Zhen-tong .Theoretical prediction for Young's modulus and yield strength of high-density foamed plastics[J].Science in China(Technological Sciences),1997,27(04):318-324. |
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