纳米ZTA/环氧复合材料的结构、热学、力学和电学性能增强

IF 1.4 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

AIMS Materials Science Pub Date : 2022-01-01 DOI:10.3934/matersci.2022013

C. Srikanth, G. Madhu, Shrey Kashyap

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引用次数: 3

摘要

将溶液燃烧法合成的纳米氧化锆增韧氧化铝(ZTA)掺入环氧树脂和固化剂中制备环氧复合材料。首先用XRD、SEM和FTIR对纳米ZTA粉体进行了纯度、形貌表征和金属-氧化物结合表征。对其热性能进行了热重分析和热重分析。利用超声机将纳米ZTA粉末均匀分散到环氧树脂中，得到聚合物复合材料。合成了不同浓度的聚合物复合材料，即0.5、1、1.5、2和2.5 wt%，所有浓度均按重量制得。测试了所有聚合物复合材料的压缩性能、弯曲性能和拉伸性能。ZTA含量为1.5%的环氧树脂的力学性能最好。分析了ZTA含量为2.5 wt%的环氧树脂的击穿电压和击穿强度等电学性能。

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Enhanced structural, thermal, mechanical and electrical properties of nano ZTA/epoxy composites

Epoxy composites were prepared by doping nano Zirconia Toughened Alumina (ZTA) which were synthesized by solution combustion method into epoxy resin and hardener. Initially ZTA nanopowder was characterized to check its purity, morphology and to confirm its metal-oxide bonding using XRD, SEM and FTIR respectively. The thermal properties such as TGA and DTG were also analysed. The polymer composites were obtained by uniformly dispersing ZTA nanopowder into epoxy using an ultrasonicator. Polymer composites of various concentrations viz, 0.5, 1, 1.5, 2 and 2.5 wt% were synthesized, all concentrations were prepared on weight basis. All the polymer composites were tested for compression properties, flexural properties and tensile properties. Best results for all the mechanical properties were obtained for epoxy with 1.5 wt% ZTA composites. Electrical properties such as breakdown voltage and breakdown strength were analysed and outstanding results were observed for epoxy with 2.5 wt% ZTA composite.

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来源期刊

AIMS Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

4 weeks

期刊介绍： AIMS Materials Science welcomes, but not limited to, the papers from the following topics: · Biological materials · Ceramics · Composite materials · Magnetic materials · Medical implant materials · New properties of materials · Nanoscience and nanotechnology · Polymers · Thin films.