E3 Flashcards

1
Q

There are ____ stages of sintering

A

3

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

The ___ have the greatest impact on the total densification of a ceramic

A

peak temperature and time

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

During this stage of sintering neck formation stats to form at contact points

A

Stage 1

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

The pore channels get pinched off and are no longer continuous in this stage of sintering

A

Stage 3

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

In this sintering mechanism one component melts and welts the narrow channels between the particles

A

liquid-phase sintering

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

The formation of continuous pore channels occurs during this stage of sintering

A

Stage 2

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

In this sintering mechanism material is transported from the curved surfaces to contact regions due to differences in partial pressure

A

vapor-phase sintering

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

Sintering case that will result in strongest ceramic components

A

pure densification

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

slip

A

ceramic powders suspended in liquid

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

Binder

A

added to help keep powder together

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

Green body

A

preferred ceramic compact

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

Plasticizer

A

added to make powder pliable

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

A ____ particle size distribution is best to achieve high density

A

multimodal

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

suppose you need to filter out particles between 75 and 150 microns. Which two Tyler Sieves would you use ?

A

100, 200

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

techniques applicable to ceramics

A

casting, pressing, injection molding

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

Casting in ceramics has to be performed at extremely high temperatures to allow ceramic material to melt and flow properly into the molds

A

False