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4 main types of materials |
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Definition
1) Metals 2) Ceramics 3) Polymers 4) Composite |
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2 fields of Material Science |
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Definition
1) Extractive Material Science 2) Physical Material Science |
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Extractive Material Science |
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Definition
raw material from the earth and process it |
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Physical Material Science |
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Definition
structure and manufacturing processes affect the properties |
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Term
3 main types of Material Properties |
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Definition
1) Mechanical 2) Physical 3) Chemical |
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Definition
Tensile Strength Shear Strength Torsional Strength Ductility Hardness Toughness Modulus of Elasticity |
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Definition
Density Thermal Expansion Thermal Conductivity Electrical Conductivity Melt Temp Magnetic Properties |
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Definition
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Mechanical Properties (def.) |
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Definition
How the material responds to an external mechanical force |
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Term
Physical Properties (def.) |
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Definition
Inherent material properties |
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Chemical Properties (def.) |
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Definition
How a material reacts to an external environment |
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Term
Material selection is based on... |
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Definition
1) Material Properties 2) Material Cost 3) Availability 4) Business Issues |
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Term
3 main types of failure... |
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Definition
1) Corrosion 2) Mechanical Overload 3) Wear |
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Term
Stress Concentrators (stress risers) |
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Definition
Geometrical features that cause the stress in the area of the feature to be higher than the applied stress |
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Definition
force per unit area applied to a material |
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Term
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Definition
ability of a material to resist an applied stress |
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