空心玻璃微球增强硅橡胶涂层的高应变率响应实验
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摘要
为研究空心玻璃微球(HGMs)对硅橡胶涂层动态性能的影响,采用分离式霍普金森压杆实验装置,对添加不同含量HGMs的硅橡胶进行了应变率范围为3000～5000s~(-1)的动态加载,获得了屈服应力及其对应的应变、形变功密度和绝热压缩过程的材料温升。结果表明,添加不同含量HGMs的硅橡胶具有明显的应变率效应,且随着HGMs含量的增加,形变功密度及其绝热温升均增加,但温升不超过10K。
In order to study the effect of hollow glass microspheres(HGMs)on the dynamic performance of silicone rubber coating,the strain rate range of 3000～5000 s~(-1) of the silicone rubber with different content of HGMs was dynamically loaded by the experimental device of split Hopkinson pressure bar(SHPB).The yield stress and strain,the density of deformation work and the rise of material temperature in the process of adiabatic compression were obtained.The results showed that the silicone rubber with different content of HGMs had an obvious strain rate effect.With the increase of HGMs content,the density of deformation work and adiabatic temperature increased uniformly,but the temperature rise did not exceed 10 K.
In order to study the effect of hollow glass microspheres(HGMs)on the dynamic performance of silicone rubber coating,the strain rate range of 3000～5000 s~(-1) of the silicone rubber with different content of HGMs was dynamically loaded by the experimental device of split Hopkinson pressure bar(SHPB).The yield stress and strain,the density of deformation work and the rise of material temperature in the process of adiabatic compression were obtained.The results showed that the silicone rubber with different content of HGMs had an obvious strain rate effect.With the increase of HGMs content,the density of deformation work and adiabatic temperature increased uniformly,but the temperature rise did not exceed 10 K.
引文
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[2]王艳艳,黄光速.聚丙烯酸酯接枝硅橡胶的制备与动态力学性能研究[J].橡胶工业,2010,57(12):717-722.
[3]苏正涛,钱黄海,米志安,等.苯基硅橡胶的动态性能研究[J].世界橡胶工业,2005,32(8):3-4,31.
[4]卢聚贤,李超芹.硅橡胶/多壁碳纳米管复合材料的结构域性能研究[J].弹性体,2016,26(1):9-12.
[5]唐小斗,罗廷纲,周远建.热硫化苯基硅橡胶阻尼材料的动态力学特性[J].高分子材料科学与工程,2008,24(1):51-54.
[6]赵习金,卢芳云,林玉亮.硅橡胶的动态压缩实验和力学性能研究[J].高压物理学报,2004,18(4):328-332.
[7]田杰,胡时胜.填充硅橡胶的泡沫铝复合材料的力学性能[J].爆炸与冲击,2005,25(5):400-404.
[8]程和法,黄笑梅,李剑荣,等.铝/硅橡胶复合材料动态压缩行为的研究[J].爆炸与冲击,2004,24(1):44-48.
[9]谢志坚,叶林铭,唐振华,等.空心玻璃微珠对硅橡胶动态力学性能的影响[J].橡胶工业,2009,56(4):212-215.