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Titolo:
Evaluation of the mechanical properties of PMC interface using slice compression test - Analysis of transfer mechanism of interfacial shear stress
Autore:
Taniguchi, N; Toge, K; Kawada, H;
Indirizzi:
Waseda Univ, Dept Mech Engn, Tokyo 1698555, Japan Waseda Univ Tokyo Japan 1698555 iv, Dept Mech Engn, Tokyo 1698555, Japan Waseda Univ, Grad Sch, Tokyo 1698555, Japan Waseda Univ Tokyo Japan 1698555 eda Univ, Grad Sch, Tokyo 1698555, Japan
Titolo Testata:
COMPOSITE INTERFACES
fascicolo: 5-6, volume: 7, anno: 2001,
pagine: 349 - 361
SICI:
0927-6440(2001)7:5-6<349:EOTMPO>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
CERAMIC-MATRIX COMPOSITES; FIBER;
Keywords:
slice compression test; interfacial shear-sliding stress; debonding; energy release rate; Poisson's effect;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Kawada, H Waseda Univ, Dept Mech Engn, 3-4-1 Okubo, Tokyo 1698555, Japan Waseda Univ 3-4-1 Okubo Tokyo Japan 1698555 okyo 1698555, Japan
Citazione:
N. Taniguchi et al., "Evaluation of the mechanical properties of PMC interface using slice compression test - Analysis of transfer mechanism of interfacial shear stress", COMPOS INTE, 7(5-6), 2001, pp. 349-361

Abstract

Properties of the fiber/matrix interface in SiO2/epoxy and SiC/epoxy composite are investigated using the slice compression test (SCT) for the singlefiber, where the specimen is loaded and unloaded between a plate which hasdifferent mechanical properties. It is found that the interfacial debonding proceeds from the polished surface at a soft plate side and that the fiber protrusion occurs after unloading. The fiber-protrusion length is directly measured at each applied stress level using a scanning electron microscope. Interfacial shear-sliding stress is obtained based on the constant shear-sliding stress analysis employing the obtained protrusion length. It is demonstrated that the value of interfacial shear-sliding stress shows good agreement with that obtained from another technique, the push-out test, on the same system. The relation between the fiber-protrusion length and applied stress is proportional to a certain extent. From this result, it is analytically pointed out that the applied stress has a limiting value inthis SCT because of Poisson's effect. Also, two interfacial debonding criteria, which are determined analytically for the PMC, are discussed.

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Documento generato il 18/02/20 alle ore 05:51:33