Chapter 4 Flashcards

0
Q

As hardness of the material increases, how’s the strength of the material usually affected?

A

The strength is increased

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Three important chemical properties of the metal

A

Hardness, ductility, strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What type of strength indicates a material’s ability to resist being squeezed together

A

Compressive strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What type of strength indicates a materials ability to resist shock?

A

Toughness or impact strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What type of strength indicates materials ability to resist repeated loading

A

Fatigue strength or endurance strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of strength indicates materials ability to with resist bending

A

Flexural strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of strength indicates materials ability to resist sliding past?

A

Shear strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

If material does not stretch before breaks, it is described as

A

Brittle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Percent elongation is a good measure of what other mechanical property

A

Strain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ratio of stress to strain for material

A

Modulus of elasticity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What point on the stress strain diagram occurs at the end of the elastic region

A

Elastic limit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How does temperature affect creep

A

Creepy slow at low temperatures but I temptress creepy become a serious problem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What type of string is calculated using Poisson’s ratio

A

Ratio of lateral strain to the strain in the loaded direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A material that does not permit electricity to flow through the said to have a high electrical question

A

Resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is thermal conductivity

A

The rate that he can travel across the material the higher the degree the faster the heat will travel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How metals act under stress

A

Mechanical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tell metals react with the environment

A

Chemical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Physical properties

A

Mass, density, etc.

18
Q

Force/area

19
Q

Change of dimension/original dimension

20
Q

Return to original dimensions

A

Elasticity

21
Q

Ability to distort without breaking

A

Flexibility

22
Q

Permanently deform without breaking

A

Plasticity

23
Q

Formable into useful shapes

A

Malleability

24
Stress/strain (Young's)
Modulus of elasticity
25
(Lateral strain/axial strain)(-1)
Poisson's ratio
26
Slow plastic flow overtime
Creep
27
Proportional limit
Strain is proportional to stress straight line graph
28
Elastic limit
Beyond this point permit deformation takes place
29
Yield point
Strain increases with no increase in stress
30
Ultimate strength
Point where a change in x-sectional is occurring (necking)
31
Rupture strength
Failure occurs
32
Hardness
Resist penetration
33
Strength
Resist forces or loads
34
Brittleness
Little deformation before fracture
35
Great deformation before fracture
Ductility
36
Tensile strength
Pulling apart
37
Compressive strength
Squeezing together
38
shear strength
Sliding past
39
Torsional Strength
Twisting
40
Flexural strength
Bending
41
Fatigue strength
Repeated stress loading
42
Toughness
Shock or impact stress
43
Impact strength
Basically same as toughness