爆炸载荷下泡沫铝夹芯板变形与破坏模式的实验研究

doi:10.3969/j.issn.1000-1093.2016.08.017

兵工学报 ›› 2016, Vol. 37 ›› Issue (8): 1456-1463.doi: 10.3969/j.issn.1000-1093.2016.08.017

爆炸载荷下泡沫铝夹芯板变形与破坏模式的实验研究

王涛^1,2，余文力²，秦庆华¹，王金涛²，王铁军¹

(1.西安交通大学航天学院机械结构强度与振动国家重点实验室, 陕西西安 710049;2.火箭军工程大学核工程系, 陕西西安 710025)

收稿日期:2015-08-22 修回日期:2015-08-22 上线日期:2016-09-30
通讯作者: 王涛 E-mail:wtao009@163.com
作者简介:王涛(1978—)男副教授
基金资助:
国家自然科学基金项目（11321062、11372235、11572234、11272246）；陕西省自然科学基金项目（2012JM1004）

Experimental Investigation into Deformation and Damage Patterns of Sandwich Plates with Aluminum Foam Core Subjected toBlast Loading

WANG Tao^1,2, YU Wen-li², QIN Qing-hua¹, WANG Jin-tao²，WANG Tie-jun¹

(1.State Key Laboratory of Strength and Vibration of Mechanical Structures, School of Aerospace, Xi'an Jiaotong University,Xi'an 710049, Shaanxi, China;2.Department of Nuclear Engineering, Rocket Force University of Engineering, Xi'an 710025, Shaanxi, China)

Received:2015-08-22 Revised:2015-08-22 Online:2016-09-30
Contact: WANG Tao E-mail:wtao009@163.com

摘要/Abstract

摘要： 系统地开展了爆炸载荷作用下泡沫铝夹芯板变形与破坏的实验研究，获得了冲量45.6 N·s、 76.2 N·s、104.6 N·s、131.7 N·s、183.6 N·s 5种不同爆炸载荷作用下泡沫铝夹芯板背面板中心点的变形挠度，给出了泡沫铝夹芯板前面板、泡沫铝芯体和背面板在不同爆炸载荷作用下的变形与破坏模式，分析了泡沫铝芯体产生的剪切断裂和拉伸断裂两种不同机理。研究结果表明，泡沫铝芯体呈现“渐进式”压缩变形，泡沫铝夹芯板背面板中心点的变形挠度与爆炸冲量之间近似满足二次关系。

关键词: 兵器科学与技术, 爆炸波, 泡沫铝, 夹芯板, 变形挠度, 变形与破坏模式

Abstract: The deformation and damage patterns of clamped sandwich plates with aluminum foam core subjected to blast loading are investigated experimentally. The deflections of the center point on the rear face sheet of sandwich plates under five blast loadings are obtained. The deformation and damage patterns of the front face sheet, aluminum foam core and rear face sheet subjected to different blast loadings are given also. Two types of the fracture mechanism of the foam cores, which are shear fracture and tensile fracture, are analyzed. The research results show that the foam core subjected to intensive dynamic loading is deformed in a “progressive” compressive mode, and the maximum deflection of the rear face sheet quadratically increases with the blast impulse approximately.

Key words: ordnance science and technology, blast wave, aluminum foam, sandwich plate, deformation, deformation and damage patterns

中图分类号:

O383⁺.1

王涛，余文力，秦庆华，王金涛，王铁军. 爆炸载荷下泡沫铝夹芯板变形与破坏模式的实验研究[J]. 兵工学报, 2016, 37(8): 1456-1463.

WANG Tao, YU Wen-li, QIN Qing-hua, WANG Jin-tao，WANG Tie-jun. Experimental Investigation into Deformation and Damage Patterns of Sandwich Plates with Aluminum Foam Core Subjected toBlast Loading[J]. Acta Armamentarii, 2016, 37(8): 1456-1463.

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爆炸载荷下泡沫铝夹芯板变形与破坏模式的实验研究

Experimental Investigation into Deformation and Damage Patterns of Sandwich Plates with Aluminum Foam Core Subjected toBlast Loading

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