706/705铝合金多层复合材料低速冲击性能及其有限元模拟研究
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摘要
为了研究7×××铝合金多层复合材料在低速冲击载荷下的性能,进行了摆锤冲击实验,并利用ABAQUS有限元分析软件对复合材料的冲击断裂行为进行了数值模拟。对单一706铝合金和不同706/705铝合金复合比(2. 98、3. 11、4. 69、4. 95、5. 84)的多层复合材料进行摆锤冲击实验。结果表明:706/705铝合金多层复合材料的冲击功较单一706铝合金的提高了89. 03%~140. 13%;单一706铝合金为准解理断裂,多层复合材料为准解理-韧窝混合断裂,多层复合材料完全断裂所需要的时间均长于706铝合金的。有限元模拟和实验条件下冲击功随时间的变化趋势基本一致,所建立的摆锤冲击模型可以用来预测多层铝合金复合材料的冲击行为。
In order to research the impact performance of 7 × × × series multi-layer aluminum alloy composite subjected to low velocity impact,the pendulum impact test is carried out and the process of fracture behavior of composite plate is simulated by ABAQUS. The pendulum impact test was carried out for single 706 aluminum alloy and multi-layer aluminum alloy composite with different thickness ratio of 706/705(2. 98,3. 11,4. 69,4. 95,5. 84). Results show that compared with single 706 aluminum alloy,the impact energy of multi-layer aluminum alloy is increased by 89. 03%-140. 13%. The fracture mode of single706 aluminum alloy is quasi-cleavage fracture,the multi-layer aluminum alloy is quasi-cleavage and dimple fracture,and the time required for the complete fracture of multi-layer aluminum alloy is longer than that of 706. Corresponding pendulum impact model is established,results show that the impact energy is basically identical with the change of time under thecondition of simulation and experiment,thus these models can be used to predict the impact behavior of multi-layer aluminum alloy composite.
In order to research the impact performance of 7 × × × series multi-layer aluminum alloy composite subjected to low velocity impact,the pendulum impact test is carried out and the process of fracture behavior of composite plate is simulated by ABAQUS. The pendulum impact test was carried out for single 706 aluminum alloy and multi-layer aluminum alloy composite with different thickness ratio of 706/705(2. 98,3. 11,4. 69,4. 95,5. 84). Results show that compared with single 706 aluminum alloy,the impact energy of multi-layer aluminum alloy is increased by 89. 03%-140. 13%. The fracture mode of single706 aluminum alloy is quasi-cleavage fracture,the multi-layer aluminum alloy is quasi-cleavage and dimple fracture,and the time required for the complete fracture of multi-layer aluminum alloy is longer than that of 706. Corresponding pendulum impact model is established,results show that the impact energy is basically identical with the change of time under thecondition of simulation and experiment,thus these models can be used to predict the impact behavior of multi-layer aluminum alloy composite.
引文
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[15]宗秋丽,孙宏,汪海燕,等. GB/T 229-2007,金属材料夏比摆锤冲击实验方法简介[J].理化检验-物理分册,2010,46(3); 190-192.
[16]陈庆垒.夏比摆锤冲击国标与美标两种实验方法对冲击实验结果的影响[J].材料开发与应用,2014,29(3):66-69.
[17]刘永飞,王平怀,刘宏亮,等.摆锤刀刃半径对夏比V型冲击吸收能量的影响[J].理化检验-物理分册,2016,52(4):239-242.
[18]韩剑. 7×××铝合金断裂性能与微合金化的研究[D].苏州:苏州大学材料学,2009.
[19]张新梅,郝丽华,蒋大鸣,等. Al-Mg-Si合金拉伸断口研究[J].材料工程,1996(5):35.
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[21]陈继恩.基于应力三轴度的材料失效研究[D].武汉:华中科技大学,2012.
[2]陈小会,揭小平,闫洪,等.高强铝合金的研究现状及进展[J].材料导报,2009,23(14):489-492.
[3]付莹,接金川,孙建波,等.铝合金层状复合材料连铸技术及界面特征[J].铸造,2015,64(1):22-28.
[4]贾雪芳.复合材料层合板低速冲击有限元模拟分析[R].哈尔滨:哈尔滨工业大学航天工程,2016.
[5] TENG X,WIERZBICKI T,HUANG M. Ballistic resistance of double-layered armor plates[J]. International Journal of Impact Engineering,2008,35:870-884.
[6] TASDEMIRCI A,HALL I W. Development of novel multilayer materials for impact applications[J]. A combined numerical and experimental approach. Materials and Design,2009,30:1533-1541.
[7]许硕.复合材料层合板低速冲击模拟[R].南京:南京航空航天大学飞行器设计,2014.
[8]刘银纬,周晚林,张思远,等.复合材料低速冲击损伤的数值模拟研究[J].固体力学学报,2014,35(1):1-5.
[9] MYUNGSOO Park,JEONGHOON Yoo,CHUNG Dong-Teak. An optimization of a multi-layered plate under ballistic impact[J]. International Journal of Solids and Structures,2005,42:123-137.
[10] TASDEMIRCI A,HALL I W. Numerical and experimental studies of damage generation in multi-layer composite materials at high strain rates[J]. International Journal of Impact Engineering,2007,34:189-204.
[11] IBRAHIM M N,SISWANTO W A,ZAIDI A M A. Numerical study on failure process of aluminium plate subjected to normal impact by hemispherical projectiles[J]. Applied Mechanics and Materials,2014,600:598-602.
[12]石晓朋,李曙林,常飞,等.复合材料加筋壁板低速冲击响应与冲击能量关系[J].材料工程,2015,4(4):53-58.
[13] GB/T 229-2007,金属材料夏比摆锤冲击实验方法[S].
[14]王滨. ASTM金属材料夏比V型缺口冲击实验方法介绍[J].理化检验-物理分册,2004,40(7):367-371.
[15]宗秋丽,孙宏,汪海燕,等. GB/T 229-2007,金属材料夏比摆锤冲击实验方法简介[J].理化检验-物理分册,2010,46(3); 190-192.
[16]陈庆垒.夏比摆锤冲击国标与美标两种实验方法对冲击实验结果的影响[J].材料开发与应用,2014,29(3):66-69.
[17]刘永飞,王平怀,刘宏亮,等.摆锤刀刃半径对夏比V型冲击吸收能量的影响[J].理化检验-物理分册,2016,52(4):239-242.
[18]韩剑. 7×××铝合金断裂性能与微合金化的研究[D].苏州:苏州大学材料学,2009.
[19]张新梅,郝丽华,蒋大鸣,等. Al-Mg-Si合金拉伸断口研究[J].材料工程,1996(5):35.
[20]肖新科.双层金属靶的抗侵彻性能和Taylor杆的变形与断裂[D].哈尔滨:哈尔滨工业大学,2010.
[21]陈继恩.基于应力三轴度的材料失效研究[D].武汉:华中科技大学,2012.