冷轧成型Al/Ni多层复合材料力学行为与冲击释能特性研究

熊玮; 张先锋; 陈亚旭; 丁力; 包阔; 陈海华

doi:10.11883/bzycj-2017-0451

冷轧成型Al/Ni多层复合材料力学行为与冲击释能特性研究

doi: 10.11883/bzycj-2017-0451

熊玮^1,,
张先锋^1, ,,
陈亚旭²,
丁力¹,
包阔¹,
陈海华¹

1.
南京理工大学机械工程学院，江苏南京 210094
2.
陆军装备部，北京 100072

基金项目: 中组部青年拔尖人才支持计划（2014）；中央高校基本科研业务费专项（30916011305）；江苏省研究生科研创新计划项目(KYCX18_0460，KYCX18_0476)

详细信息

作者简介:
熊　玮（1991－　），女，博士研究生，xiong_xiongwei@sina.cn

通讯作者:
张先锋（1978－　），男，博士，教授，lynx@njust.edu.cn

中图分类号: O382
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- 被引次数: 0
出版历程
- 收稿日期: 2017-12-25
- 修回日期: 2018-04-10
- 网络出版日期: 2019-04-25
- 刊出日期: 2019-05-01

Mechanical properties and shock-induced chemical reaction behaviors of cold-rolled Al/Ni multi-layered composites

1.
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China
2.
Army Equipment Department, Beijing 100072, China

摘要

摘要: 基于冷轧成型工艺，采用不同的轧制道次制备Al/Ni多层复合材料。开展了Al/Ni多层复合材料准静态压缩和准密闭二次撞击反应实验，对它的力学性能和冲击释能特性进行测试。同时，通过扫描电镜得到了材料的细观结构特性，分析了Al/Ni多层复合材料细观特性对宏观力/化学行为的影响机制。结果表明，基于冷轧技术制备的Al/Ni多层复合材料比粉末压制而成的Al/Ni复合材料塑性更强，材料的抗压强度总体随冷轧次数的增加呈上升趋势。另外，冷轧3～5道次的Al/Ni多层复合材料的准密闭二次撞击反应实验表明，材料在相同的撞击速度(800～1 500 m/s)下释放的化学能随着轧制道次的增加而逐渐降低。
- 多层复合材料 /
- Al/Ni材料 /
- 冲击诱发化学反应
Abstract: Al/Ni multi-layered composites were manufactured by cold rolling with different passes. The influence of cold rolling passes on the mechanical properties and shock-induced chemical reaction (SICR) behaviors of Al/Ni multi-layered composites was investigated by quasi-static compression tests and impact initiation experiments. A scanning electron microscopy (SEM) was used to obtain the microstructures of the Al/Ni multi-layered composites, and the microstructures from the scanning electron microscopy images were used to explain the experimental results. The results show that the cold-rolled Al/Ni multi-layered composites behave more plastically than the powder-compacted Al/Ni composites do. The compression strength of the Al/Ni multi-layered composites increases with the growth of rolling passes. On the other hand, more rolling passes result in decaying energy release capacity of the Al/Ni multi-layered composites under impact velocity from 800 m/s to 1 500 m/s.
- multi-layered composites /
- Al/Ni materials /
- shock-induced chemical reaction

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图 1 不同冷轧道次的Al/Ni多层复合材料细观结构

Figure 1. Microstructures of Al/Ni multi-layered composites manufactured by cold rolling with 2–5 passes

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图 2 Al和Ni两相界面处的SEM照片

Figure 2. AI/Ni interface microstructures reflected from SEM photographs

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图 3 不同冷轧道次的Al/Ni多层复合材料准静态压缩应力应变曲线

Figure 3. True stress-strain curves of Al/Ni multi-layered composites under quasi-static compression

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图 4 Al/Ni多层复合材料的准静态压缩实验结果

Figure 4. Typical pictures for quasi-static compressive cracks of Al/Ni multi-layered composites

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图 5 准密闭二次撞击反应实验布局图^[9]

Figure 5. An experimental layout of double impact initiation experiment

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图 6 典型的容器内破片冲击反应的照片

Figure 6. Typical photographs of impact reaction in experimental chamber

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图 7 典型的压力曲线

Figure 7. Typical pressure curves

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图 8 Al/Ni多层复合材料的比化学能

Figure 8. Specific chemical energy for Al/Ni multi-layered composites

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图 9 Al/Ni多层复合材料的准静态压力曲线的上升速率

Figure 9. Increase rate of quasi-static pressure for Al/Ni multi-layered composites

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表 1 准密闭二次撞击反应实验结果

Table 1. Experimental results of double impact initiation

Al/Ni材料类型	m/g	v/(m·s⁻¹)	Δp_m/MPa	Q/kJ	E_k/kJ	e_r/(kJ·g⁻¹)	(Δp_m $ t_{\rm m}^{-1}$)/(MPa·s⁻¹)
冷轧3道次	2.94	841	0.011	0.97	0.80	0.06	0.42
	2.98	872	0.016	1.41	0.89	0.17	0.46
	2.59	1 103	0.049	4.31	1.31	1.16	1.58
	2.95	1 382	0.081	7.13	2.55	1.55	2.45
	2.74	1 406	0.105	9.24	2.44	2.48	3.09
冷轧4道次	2.69	852	0.014	1.23	0.74	0.18	0.54
	2.59	1 032	0.024	2.11	1.12	0.38	1.09
	2.67	1 064	0.033	2.90	1.25	0.62	1.06
	2.79	1 327	0.058	5.10	2.19	1.04	1.76
	2.73	1 371	0.087	7.66	2.30	1.96	2.35
冷轧5道次	2.98	854	0.015	1.32	0.81	0.17	0.48
	2.90	1 023	0.025	2.20	1.21	0.34	0.81
	2.88	1 049	0.028	2.46	1.28	0.41	1.04
	2.88	1 419	0.048	4.22	2.60	0.56	1.41

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