Respuesta :
Functions of a matrix phase:
1. For binding of the fibers so that the applied stress can be distributed.
2. Matrix phase protects the surface and inhibits the fibers from external damage.
3. Crack occurrence and crack spreading are reduced by separating the fibers
The matrix phase has the mechanical characteristics of good ductility, low elastic modulus, and relatively easy to mold whereas the fiber phase is able to withstand force and is also brittle, and stiff to improve overall toughness.
There must be a strong bond b/w fiber and matrix because :
1. To minimize the risk of failure due to fiber taking off.
2. To improve the stress progression from fiber to matrix and vice versa.
A polymer is a substance or material together with very large molecules referred to as macromolecules, composed of many repeating subunits. Due to their vast spectrum of homes, both synthetic and natural polymers play vital and ubiquitous roles in regular lifestyles.
Products made from polymers are all around us: garb made from synthetic fibers, polyethylene cups, fiberglass, nylon bearings, plastic bags, polymer-primarily based paints, epoxy glue, polyurethane foam cushion, silicone heart valves, and Teflon-covered cookware.
A number of the beneficial houses of diverse engineering polymers are excessive electricity or modulus-to-weight ratios, toughness, resilience, resistance to corrosion, lack of conductivity, color, transparency, processing, and coffee price.
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