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25 Cards in this Set
- Front
- Back
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What is Structure?
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The arrangement of its internal components
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What are Properties?
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Kind and magnitude of response to a specific imposed stimulus on a material
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What are the 6 Properties of materials?
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1. Mechanical
2. Electrical 3. Thermal 4. Magnetic 5. Optical 6. Deteriorative |
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What is Materials Engineering?
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Designing or engineering the structure of a material to produce a predetermined set of properties
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Processing affects what?
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Structure
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Performance is affected by its what?
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Its properties!
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Processing leads to what? Finish the chain.
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Processing --> Structure ---> Properties ---> Performance
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What are the 4 main categories of materials?
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1. Metals
2. Ceramics 3. Polymers 4. Composites |
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What are 4 details about Metals?
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1. Combination of metallic elements
2. Large # of nonlocalized electrons 3. Conductors of electricity and heat 4. Strong but deformable |
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What are 4 details about Ceramics?
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1. Metal + Non-Metal elements
2. Insulators 3. More resistant to high temps and harsh environments 4. Hard but brittle |
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What are 2 details about Polymers?
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1. Usually organic (Carbon, Hydrogen, non-metals)
2. Low density and flexible |
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What are 2 details about Composites?
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1. Consists of 2+ other material types (Metals, Ceramics, etc.)
2. Displays combo of best characteristics of each of the component materials |
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What are 3 biomedical applications of Metals?
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1. Shoulder/Hip replacements
2. Pacemaker 3. Dental implants |
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What are 3 biomedical applications of Ceramics?
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1. Alumina on alumina bearings
2. Zirconia dental implants 3. Calcium Phosphate bone grafts |
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What are 3 biomedical applications of Polymers?
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1. Contact lens
2. Endovascular stent grafts 3. IV bags |
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What are 2 biomedical applications of Composites?
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1. Bone cements
2. Silver-chiotsan nanoparticles |
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What are Smart Materials?
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Materials that are able to sense changes in their environment and respond in a predetermined manner.
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What are 4 kinds of Smart Materials?
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1. Shape Memory Alloys
2. Piezoelectric Ceramics 3. Magnetostrictive Materials 4. Electrorheological/Magnetorheological Fluids |
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What are Shape Memory Alloys?
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Alloys that revert back to original shape with changes in temperature
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What are Piezoelectric Ceramics?
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Ceramics that expand and contract in response to applied electrical fields
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What are Magnetostrictive Materials?
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Materials responsive to magnetic fields
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What are Electrorheological/Magnetorheological Fluids?
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Fluids that change viscosity with application of electric/magnetic fields
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What is Nanotechnology?
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Structural entities that are on the order of a nanometer, usually less than 100 nm
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What are 3 examples of nanotechnology?
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1. Carbon nanotubes
2. Gold nanoparticles 3. Silicon nanowires |
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From largest to smallest, list the levels of structures in materials.
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1. Macroscopic
2. Microscopic 3. Atomic 4. Subatomic |
