13 - 9/13/11 Six main categories of material...

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9/13/11 Six main categories of material properties -material response due to an applied stimulus 1. Mechanical properties- response of the natural to an applied load (force), stiffness (modules), strength 2. Electrical properties- response to an applied electric field (voltage), conductivity, electric constant 3. Thermal/physical properties- response due to change in temperature. Heat capacity (how much heat required to change the temperature of a material). Melting point, density, glass transition 4. Magnetic properties- Response due to an applied magnetic field. Non-magnetic, ferromagnetic, paramagnetism. 5. Optical Properties- Response due to light; index of refraction, transparency, reflectivity 6. Chemical (deteriorative) chemical reactivity of a material. Important for degradation (rusting or oxidation) Intensive vs. Extensive properties Intensive- independence of amount of material. (more desirable) Extensive- depends on the amount of material Processing of the natural -the specific properties of a material and hence its performance can depend on the
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13 - 9/13/11 Six main categories of material...

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