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Product Design > Key Words > Flashcards

Key Words Flashcards

1
Q

What are the two categories of material properties?

A

Physical and Mechanical

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2
Q

What is the Stock Form of materials?

A

Set of standard sizes materials are available

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3
Q

Mechanical properties are…

A

… associated with how the material reacts to an outside force

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4
Q

Physical properties are…

A

…associated with the actual makeup or structure of the material

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5
Q

Mechanical properties of materials are:

A
  • Compressive strength
  • Tensile strength
  • Bending strength
  • Shear strength
  • Torsional strength
  • Hardness
  • Toughness
  • Plasticity
  • Ductility
  • Malleability
  • Elasticity
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6
Q

Compressive strength refers to…

A

… The ability to withstand being crushed or shortened by pushing forces (compression)

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7
Q

Tensile strength refers to…

A

… the ability to resist stretching or pulling forces (tension)

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8
Q

Bending Strength refers to…

A

… the ability to resist forces the may bend the material

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9
Q

Shear strength refers to…

A

… the ability to resist sliding forces on a parallel plane

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10
Q

Torsional strength refers to…

A

…the ability to withstand twisting forces from applied torque or torsion

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11
Q

Hardness refers to…

A

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

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12
Q

Toughness refers to…

A

… the ability to absorb impact forces without fracture

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13
Q

Plasticity refers to…

A

… the ability to be permanently deformed (Shaped) and retain the deformed shape

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14
Q

Ductility refers to…

A

… the ability to be drawn out under tension, reducing the cross-sectional area without cracking

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15
Q

Malleability refers to…

A

… the ability to withstand deformation by compression without cracking. Malleability increases with a rise in temperature.

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16
Q

Elasticity refers to…

A

… the ability to be deformed and the return to its original shape when force is removed.

17
Q

Physical properties are:

A
  • Electrical properties (Electrical Conductor and Electrical Insulator)
  • Thermal properties (Thermal conductor, Thermal insulator and thermal expansion)
  • Optical properties (opaque, translucent, transparent, density, fusibility, magnetism and corrosion/degrading resistant)
18
Q

An example of an Electrical Property is Electrical Conductivity.

Electrical Conductivity…

A

… allows the flow of electrical current through the material. A good conductor gives very little resistance to the flow of charge

19
Q

An example of an Electrical Property is Electrical Insulation.

Electrical Insulation…

A

… does not allow the flow of electricity through the material

20
Q

An Example of a Thermal Property is Thermal Conductor.

A Thermal Conductor…

A

… allows the transfer of heat energy through the material. A material with high thermal conductivity allows the transfer of heat to occur quickly across the material

21
Q

An Example of a Thermal Property is Thermal Insulator.

A Thermal Insulator…

A

… prevents the transfer of heat across the material

22
Q

An Example of a Thermal Property is Thermal Expansion.

Thermal Expansion…

A

… the increase in material volume in response to a heat input

23
Q

An Example of an Optical Property is Opaque.

Opaque means…

A

… it prevents light from going through

24
Q

An Example of an Optical Property is Translucent.

Translucent…

A

…allows light through but diffuses the light so the object appears blurry. ie frosted glass

25
Q

An Example of an Optical Property is Transparent.

Transparent…

A

… Allows light to pass through easily so you can see clearly through the material.

26
Q

An Example of an Optical Property is Density.

Density is…

A

… the mass of material in a standard volume of space

27
Q

An Example of an Optical Property is Fusibility.

Fusibility is…

A

… the ability to fuse or be converted from a solid to a liquid or molten state, usually by heat. Good fusibility is an essential property for a metal being cast.

28
Q

An Example of an Optical Property is Magnetism.

Magnetism is…

A

… the natural forces between objects that causes the material to attract iron or steel.

29
Q

An Example of an Optical Property is Corrosion/Degradation resistance.

Corrosion/Degradation resistance is…

A

… the ability of a material to withstand environmental attacks and decay.

Product Design (2 decks)

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