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MSE Prep > Characteristics Of Properties > Flashcards

Characteristics Of Properties Flashcards

1
Q

Name the properties that we can use to describe materials.

A
  1. Mechanical Properties
  2. Thermal Properties
  3. Electrical Properties
  4. Optical Properties
  5. Chemical Properties
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2
Q

What is mechanical property?

A

properties that describes how a material responds to applied loads or forces

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3
Q

What is thermal property?

A

properties related to its conductivity of heat

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4
Q

What is electrical property?

A

properties related to a material’s ability to conduct electric current

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5
Q

What is optical property?

A

describes a material’s behavior when electromagnetic radiation (light) is incident on the material’s surface

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6
Q

What is chemical property?

A

the ability of a substance to undergo a specific chemical change

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7
Q

What is magnetic property?

A

the atomic or subatomic response a material to an applied magnetic field wherein the electron spin and charge create a dipole moment and a magnetic field

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8
Q

What is biocompatibility?

A

The ability of a material to interact harmoniously with living tissues without causing harm or
rejection.

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9
Q

Give examples of mechanical properties:

A
  1. Strength
  2. Stiffness
  3. Ductility
  4. Hardness
  5. Malleability
  6. Resilience
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10
Q

A part was subjected to constant stress at very high temperatures for a long time. What will happen?

A

It will undergo a slow and permanent deformation called creep

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11
Q

What kinds of materials are sensitive to creep?

A

Plastics, rubber and amorphous materials

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12
Q

What’s the most common type of creep deformation

A

viscous flow

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13
Q

Give examples in which we need to consider creep/

A

Designing IC engines, boilers, and turbines

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14
Q

What’s strength?

A

ability of a material to withstand an applied force without deformation or failure

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15
Q

What’s stiffness?

A

The resistance of a material to deformation when subjected to an external load.

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16
Q

What’s ductility?

A

The extent to which a material can be stretched or bent without breaking.

17
Q

What’s hardness?

A

A measure of a material’s resistance to indentation or scratching.

18
Q

What’s malleability?

A

the ability of materials to be rolled, flattened or hammered into thin sheets
without cracking by hot or cold working.

19
Q

What’s resilience?

A

The property of a material to absorb energy and to resist shock and impact loads.

20
Q

What are the types of strength?

A
  1. Tensile strength: maximum load that a material can support without fracture when being stretched,
  2. Compressive strength (withstand loads)
  3. Shear strength: ability to resist forces that cause the material’s internal structure to slide against itself
21
Q

What’s Coefficient of Thermal Expansion (CTE)?

A

A measure of how much a material expands or contracts
with changes in temperature

22
Q

Why is CTE important?

A

Important in designing structures that experience temperature variations.

23
Q

What are the electrical properties?

A
  1. Conductivity
  2. Dielectric Strength
  3. Resistivity
24
Q

What’s conductivity?

A

The ease with which a material allows the flow of electrical current.

25
Q

What’s Dielectric Strength?

A

The ability of an insulating material to withstand an electric field without
breaking down.

26
Q

What’s Resistivity?

A

A measure of a material’s opposition to the flow of electrical current.

27
Q

What are the optical properties?

A
  1. Transparency
  2. Reflectivity
28
Q

What’s index of refraction?

A

A measure of how much a material bends or refracts light.

29
Q

What’s corrosion resistance?

A

A material’s ability to resist deterioration due to chemical reactions with its environment.

30
Q

What’s chemical Reactivity?

A

How readily a material reacts with other substances

31
Q

What’s magnetization?

A

The ability of a material to become magnetized when exposed to a magnetic
field.

32
Q

What’s Magnetic Permeability?

A

A measure of how a material responds to a magnetic field.

33
Q

What do you call the temperature in which a ferromagnetic material loses its magnetization?

A

Curie Temperature

34
Q
A

MSE Prep (2 decks)

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