1.1 Materials and their applications (key terms) Flashcards

1
Q

Manufactured board

A

A man-made, wood-based composite material

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2
Q

Stock form

A

The set of standard sizes in which materials are available, as well as the format e.g. powders, granules, sheets etc

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3
Q

Mechanical properties

A

Associated with how a material reacts to an external force

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4
Q

Physical properties

A

Associated with the actual make-up or structure of the material

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5
Q

Compressive strength

A

The ability to withstand being crushed or shortened by pushing forces

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6
Q

Tensile strength

A

The ability to resist stretching or pulling forces

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7
Q

Hardness

A

The ability to resist abrasive wear such as scratching, surface indentation or cutting

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8
Q

Toughness

A

The ability to absorb impact force without fracture

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9
Q

Composite

A

A material comprised of two or more different materials, resulting in a material with enhanced properties

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10
Q

Smart material

A

A material whose physical properties change in response to an input or change in the environment, such as electricity, pressure, temperature or light

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11
Q

Modern material

A

A material developed through the invention of new or improved processes, for example as a result of man-made materials or human intervention

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12
Q

Ferrous metal

A

A metal containing mostly iron or carbon

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13
Q

Non-ferrous metal

A

A metal which does not contain iron

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14
Q

Alloy

A

A metal made of two or more metals, or combining two or more elements, one of which must be a metal

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15
Q

Thermoplastic

A

A material that can be repeatedly reheated and reshaped

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16
Q

Thermosetting polymer

A

A material which when reheated undergoes a chemical change whereby the molecules form rigid cross links. thermosetting polymers cannot be reheated and reshaped, even at very high temperatures

17
Q

Elastomer

A

Materials which at room temperature can be deformed under pressure, and then upon release of the pressure will return to their original shape