Effect of holmium oxide nanoparticle on the mechanical properties of epoxy resin composites
Source abstract
Abstract
In this study, holmium oxide/epoxy resin (Ho 2 O 3 /EP) nanocomposites were prepared by using different additions of Ho 2 O 3 nanoparticles as nanofiller. The surface-modification treatment of Ho 2 O 3 was applied with a silane coupling agent (SCA) to improve the interfacial combination between Ho 2 O 3 and EP. The effect of SCA treatment on the chemical structure of Ho 2 O 3 was investigated using Fourier transform infrared spectroscopy (FTIR). The effects of Ho 2 O 3 nanoparticle and SCA treatment on the mechanical properties of the nanocomposites were studied. The fracture morphology of the EP nanocomposites was observed by scanning electron microscopy (SEM) to explore the failure mechanism of the EP nanocomposites with Ho 2 O 3 nanoparticle. The experimental results show the tensile and flexural strengths of the nanocomposites are improved when Ho 2 O 3 content is 1 wt. %. The tensile and flexural strengths were increased to 73.42 MPa and 130.85 MPa, respectively. But on further increase in Ho 2 O 3 content of 1.5 wt. %, the tensile and flexural strengths were reduced. The SCA treatment could increase the interfacial bonding by containing C-H and Si-O functional groups, promoting the tensile properties, flexural properties, impact toughness, and fracture properties of the nanocomposites.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Epoxy Resin Curing Processes · Polymer Nanocomposites and Properties · Polymer Science and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Jilin University
Weihai Institute for Bionics-Jilin University
Funding
National Key Research and Development Program of China · Science and Technology Project of Education Department of Jilin Province · Development Project of Jilin Province · Science and Technology Development Program of Jilin Province
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