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The toughness of nylon fibre mats laminated MDF cement composites
Laminated composites based on macro-defect-free cement matrices reinforced by nylon fibre mats were prepared to improve the mechanical performance of MDF cements. The flexural strength, fracture energy and impact energy were measured for such composites. The load deflection curves in the 3-point bending test were recorded to calculate the toughness indexes using the ASTM C 1018 procedure. The effect of fibre volume and diameter on the toughness of the laminated composites is discussed. Three kinds of toughness criteria, impact energy (W), fracture energy (G), and toughness index (I100) obtained from experiments are compared. The results showed that the toughness behavior is improved significantly by the nylon fibre mats. Impact energy is increased with an increase of fibre volume fraction and the diameter of fibre. The toughness index I100 could be a good criteria to evaluate the toughness of fibre mats laminated MDF cement composites.
The toughness of nylon fibre mats laminated MDF cement composites
Laminated composites based on macro-defect-free cement matrices reinforced by nylon fibre mats were prepared to improve the mechanical performance of MDF cements. The flexural strength, fracture energy and impact energy were measured for such composites. The load deflection curves in the 3-point bending test were recorded to calculate the toughness indexes using the ASTM C 1018 procedure. The effect of fibre volume and diameter on the toughness of the laminated composites is discussed. Three kinds of toughness criteria, impact energy (W), fracture energy (G), and toughness index (I100) obtained from experiments are compared. The results showed that the toughness behavior is improved significantly by the nylon fibre mats. Impact energy is increased with an increase of fibre volume fraction and the diameter of fibre. The toughness index I100 could be a good criteria to evaluate the toughness of fibre mats laminated MDF cement composites.
The toughness of nylon fibre mats laminated MDF cement composites
Die Festigkeit von mit Nylonfaser-Matten laminierten MDF-Zementverbundwerkstoffen
Muhua, T. (author) / Jinping, L. (author) / Keru, W. (author)
Cement and Concrete Research ; 24 ; 1185-1190
1994
6 Seiten, 4 Bilder, 3 Tabellen, 4 Quellen
Article (Journal)
English
Tonerdezement , Faser , Biegebeanspruchung , Biegefestigkeit , Verbundwerkstoff , Zement , Riss , Bruchmechanik , Asbestzement , Verformung , Bruchzähigkeit , mechanische Eigenschaft , Matrix (Grundmasse) , Nylon , Bruchenergie , Festigkeitserhöhung durch Beschichtung , Matrix , faserverstärktes Erzeugnis , Tonerdeschmelzbeton , mechanische Beanspruchung
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