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HGB/EP复合泡沫材料界面破坏模拟研究 被引量:2

Numerical Simulation Study on Interface Destroy of HGB/EP Syntactic Foam
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摘要 空心玻璃微珠(HGB)/环氧树脂(EP)复合泡沫材料是一种新型的结构功能双重材料,其两种材料相互间的黏结性能对复合材料的力学性能有较大的影响。通过设计玻璃与环氧树脂的黏结力实验测得了黏结力与变形的关系。建立玻璃微珠与环氧树脂的数值模拟模型,采用实验所得数据在其间设置黏结单元,对六种情况下的模型施加拉伸和压缩均布载荷进行数值模拟,考察两种材料间界面的变形和破坏情况,研究了界面破坏时复合泡沫材料所受的极限载荷,分析了极限载荷随玻璃微珠半径及填充比的变化规律,发现其与相关文献实验结果一致。 Hollow glass bead/epoxy resin (HGB/EP) syntactic foam was a new structural and functional composite. The adhesive property between HGB and EP had a large affection on its mechanical properties of composite. An experiment of adhesion force was devised to test the adhesive property between glass and EP. The numerical simulation model of this syntactic foam was established. The cohensive element was devised in it, which real constant was tested by experiment. Tensile and compressive load were applied on six models. The relative deformation between HGB and EP was investigated. The limit load of interface destroy was obtained, then, the change curves between limit load and the radius of HGB, packing ratio of HGB were presented. The result were agreed with related literature experiments.
出处 《塑料工业》 CAS CSCD 北大核心 2011年第9期73-76,共4页 China Plastics Industry
基金 河北省高等学校科学研究计划资助项目(2010166)
关键词 复合泡沫材料 界面破坏 极限载荷 数值模拟 Syntactic Foam Interface Destroy Limit Load Numerical Simulation
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