The Influence of Residual Stresses on the Curve Shape-Describing Interface Behavior in "Polymer-Fiber" Systems

被引：0

作者：

Gorbatkina, Yulia A. ^{[1
]}

Ivanova-Mumzhieva, Viktoria G. ^{[1
]}

Alexeeva, Olga V. ^{[2
]}

Vyatkina, Mariya A. ^{[1
]}

机构：

[1] Russian Acad Sci, NN Semenov Fed Res Ctr Chem Phys, Moscow 119991, Russia

[2] Russian Acad Sci, NM Emanuel Inst Biochem Phys, Moscow 119334, Russia

来源：

POLYMERS | 2024年 / 16卷 / 05期

关键词：

adhesive strength; polymer-fiber bond; pull-out method; residual stresses; curing process; temperature tests; FIBER/POLYMER BOND STRENGTH; PULL-OUT TESTS; SHEAR-STRENGTH; MICROBOND; MATRIX;

D O I：

10.3390/polym16050582

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The pull-out method was used to study the adhesive strength tau of "fiber-thermoset" systems with wide variations in area. Studied binders were based on resins that had different chemical natures (epoxy, epoxy phenol, orthophthalic, polyphenylsiloxane, and phenol-formaldehyde). Shear adhesive strength was determined for systems with two fiber types (glass and steel fibers). It was shown that strength tau depended on scale (area). Formation of tau occurred during the curing process and the system's subsequent cooling to the measurement temperature T. It was found that interface strength depended on measurement temperature across a wide temperature range that covered the highly elastic and the glassy state of the adhesive. The influence of residual stresses tau res, acting at the "binder-fiber" interface, on the nature of the curves describing the dependence of the adhesive strength on the studied factor was experimentally shown. A qualitative explanation of the observed regularities is proposed.

引用

页数：15

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