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Mechnical properties of thermoplastic film/metallic glass composites with improved interfacial strength
Author(s) -
Sidhu A. S.,
Varin R. A.
Publication year - 1993
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.750140402
Subject(s) - materials science , composite material , composite number , metglas , ultimate tensile strength , thermal expansion , thermoplastic , volume fraction , amorphous metal , glass fiber , reinforcement , fracture (geology) , alloy
The mechanical properties of the uniaxial and continuous composite with high strain to fracture PP matrix reinforced with the Fe 40 Ni 40 B 20 (at%) and Metglas 2605SC metallic glass ribbons have been determined and compared with the rule of mixtures. The reinforcing ribbons were coated with PVA (polyvinlyl alcohol) to improve interfacial bonding. The experimental fracture strength results for both types of reinforcement deviate from the values predicted. The strength of composite at the fracture strain of ribbon determined experimentally obeys a modified rule of mixture (isostrain condition) for both types of reinforcement over the entire volume fraction range of reinforcement (up to 16%). The experimental composite eleastic modulus results for composite reinforced with relatively narrow Fe 40 Ni 40 B 20 ribbons are found to be generally near the values predicted by the rule of mixtures, but for the Metglas 2605SC wide the modified rule of mixtures, which takes into account the thermally induced tensile stresses at the interface resulting from the mismatch of the coefficients of thermal expansion.