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- Title
Tensile properties of cristobalite‐filled epoxy resin.
- Authors
Naito, Keishi; Yoshida, Michiyuki; Adachi, Yoshihide; Kawai, Katsuma; Sakurada, Osamu; Yashiro, Kisaragi
- Abstract
The effect of raising and lowering the temperature on the tensile properties of cristobalite spherical particle‐filled epoxy resin (CPTCL/EP) was investigated, and the fabrication of cristobalite fiber and its fiber‐reinforced plastic (FRP) was attempted. For the CPTCL/EP, the process of raising the temperature above the temperature at which the coefficient of thermal expansion of cristobalite suddenly changes (220°C) and then lowering the temperature to room temperature degraded the matrix and caused tensile residual stress in the matrix; however, interfacial adhesion between the matrix and filler improved. In other words, the tensile strength of CPTCL/EP was not reduced by this process, but rather improved. In contrast, the tensile strength of cristobalite fiber‐filled EP (CFIBER/EP) was significantly lower than the theoretical value owing to cracks in the fiber caused by dunting during fabrication of the fiber. Thus, the fabrication method needs to be further improved.
- Subjects
FIBER-reinforced plastics; TENSILE strength; EXPANSION of solids; CRISTOBALITE; PLASTIC fibers; EPOXY resins
- Publication
Journal of Applied Polymer Science, 2021, Vol 138, Issue 16, p1
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.50410