成型方法对高HGMS体积分数固体浮力材料性能的影响  

Effect of molding methods on properties of high HGMS volume fraction solid buoyant materials

作　　者：黄纬 衣亚东 吴平伟[1] 戴金辉[1] HUANG Wei;YI Ya-dong;WU Ping-wei;DAI Jin-hui(School of Materials Science and Engineering,Ocean University of China,Qingdao 266100,China)

机构地区：[1]中国海洋大学材料科学与工程学院,青岛266100

出　　处：《复合材料科学与工程》2022年第12期75-78,123,共5页Composites Science and Engineering

基　　金：国家重点研发计划项目(2019YFC1408104);中央高校基本科研业务费中国海洋大学专项基金(201964010)。

摘　　要：以环氧树脂E-4221为基体,空心玻璃微珠(hollow glass microsphere, HGMS)做填充材料,分别采用模压、挤出和真空捣打成型方法制备了高HGMS体积分数的复合材料。研究了成型方法对复合材料密度、抗压强度和不同静水压力下吸水率的影响,确定了不同成型方法的适用范围。结果表明:挤出成型和真空捣打成型方法适用于制备高HGMS体积分数的固体浮力材料;挤出成型方法可以获得密度不小于0.62 g/cm^(3)且安全使用深度不小于8 000 m的固体浮力材料;真空捣打成型方法可以获得密度低于0.57 g/cm^(3)且安全使用深度达4 000 m的固体浮力材料。With epoxy resin E-4221 as matrix and hollow glass microsphere(HGMS) as filling material, composites with high HGMS volume fraction were prepared by molding, extrusion and vacuum tamping, respectively. The effects of forming methods on the density, compressive strength and water absorption of composites under different hydrostatic pressures were studied, and the application scope of different forming methods was determined. The results show that extrusion molding and vacuum tamping molding are suitable for the preparation of solid buoyant materials with high volume fraction of HGMS. Solid buoyant materials with density no less than 0.62 g/cm^(3)and safe use depth no less than 8 000 m can be obtained by extrusion molding method. The vacuum tamping method can obtain solid buoyant materials with a density of less than 0.57 g/cm^(3) and a safe use depth of 4 000 m.

关 键 词：固体浮力材料 环氧树脂 空心玻璃微珠 挤出成型 

分 类 号：TB332[一般工业技术—材料科学与工程]