Question

Tensile Test: Annealing 1.Introduction 2.Procedure 3. Results • Compare the two types of brasses from the plot given below in terms of; a) Ductility, b) Strength (in general), • What might be the annealing parameters (temperature, time) of "annealed brass"? Give reference to support your idea. 500 450 400 Half-hard 350 brass 300 250 200 150 Annealed brass 100 50 0 10 20 30 40 50 60 Engineering strain (%) Fig. 1 Tensile curves of the annealed and half-hard brass. 4.Discussion 1. How is the role of atomic mobility on the hardness during the recovery? Add reference to your answer. 2. During the annealing, at which temperature can you observe a sharp drop in hardness? 4. How does the annealing influence the electrical conductivity property?

          Tensile Test: Annealing
1.Introduction
2.Procedure
3. Results
• Compare the two types of brasses from the plot given below in terms of;
a) Ductility,
b) Strength (in general),
• What might be the annealing parameters (temperature, time) of "annealed brass"?
Give reference to support your idea.
500
450
400
Half-hard
350
brass
300
250
200
150
Annealed brass
100
50
0
10
20
30
40
50
60
Engineering strain (%)
Fig. 1 Tensile curves of the annealed and half-hard brass.
4.Discussion
1. How is the role of atomic mobility on the hardness during the recovery? Add reference to
your answer.
2. During the annealing, at which temperature can you observe a sharp drop in hardness?
4. How does the annealing influence the electrical conductivity property?

Tensile Test: Annealing
1.Introduction
2.Procedure
3. Results
• Compare the two types of brasses from the plot given below in terms of;
a) Ductility,
b) Strength (in general),
• What might be the annealing parameters (temperature, time) of "annealed brass"?
Give reference to support your idea.
500
450
400
Half-hard
350
brass
300
250
200
150
Annealed brass
100
50
0
10
20
30
40
50
60
Engineering strain (%)
Fig. 1 Tensile curves of the annealed and half-hard brass.
4.Discussion
1. How is the role of atomic mobility on the hardness during the recovery? Add reference to
your answer.
2. During the annealing, at which temperature can you observe a sharp drop in hardness?
4. How does the annealing influence the electrical conductivity property?

Added by Janet D.

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