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This book covers several aspects of the synthesis of composites by
the pressureless infiltration technique. It describes the methods
used to obtain green preforms, such as cold pressed and hot
sintering, describing the heating time, load, and time required for
pressing the preforms. Additionally, wettability phenomena, which
is directly related on infiltration, is extensively described.
Wettability process and interfacial reactions are analyzed in many
ceramic-metal systems prior to fabricate the composites. A complete
description of fabrication processes for Metal Matrix Composites is
included. An extensive section on structural, chemical, and
mechanical characterization of composites fabricated with aluminum
and magnesium alloys as matrices reinforced with titanium carbide
(TiC), aluminum nitride (AlN), silicon carbide (SiC) and alumina
(Al2O3) is included. Relevant techniques for joining composites,
such as welding and brazing are addressed. As well as issues
pertaining to the corrosion and wear of composites are discussed as
well. Corrosion behavior of some composites exposed to aqueous
media was analyzed. Corrosion of composites using TiC and SiC like
reinforcement and Al, Ni, and some Al-Cux, Al-Mgx and Al-Cu-Li
alloys like matrix is discussed extensively. The structural
characterization techniques addressed include: scanning electron
microscopy (SEM), X-ray diffraction (XRD), transmission electron
microscopy (TEM), optical microscopy (OM), differential thermal
analysis (DTA), high resolution transmission electron microscopy
(HRTEM), and thermogravimetry analysis (TGA). Mechanical testing
including hardness, elastic modulus, tension tests, and impact
tests were used in the characterization of composites. Theoretical
models for prediction of some mechanical properties are included
too.
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