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(a)
Interpretation:
The original diameter of 3105 aluminum wire needs to be determined.
Concept Introduction:
Cold working is the
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Answer to Problem 8.54P
The original diameter of the 3105 aluminum wire is 0.04792 inch
Explanation of Solution
Given Information:
Final diameter of 3105 aluminum wire = 1mm
Yield strength = 20,000psi
% cold work is given by
Here,
From the graph at yield strength = 20,000 Psi
% cw = 32.5 %
Equation (1) becomes,
(b)
Interpretation:
The drama force required for 3105 aluminum wire needs to be determined.
Concept Introduction:
Cold working is the mechanical process in which metal is plastically deformed under recrystallization temperature.
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Answer to Problem 8.54P
Drag force required when stress acting of 3105 aluminum wire is 14.431b
Explanation of Solution
Given Information:
Since,
Here,
Equation (1) becomes,
Drag force = 14.43lb
(c)
Interpretation:
The actual stress needs to be determined. Whether the 3105 aluminum wire will break or not needs to be determined.
Concept Introduction:
Stress is defined as the force acting on the material per unit area of the material stress used to determine the load carrying capacity of the material.
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Answer to Problem 8.54P
Actual stress = 10853 Psi which is less than yield strength 20,000 Psi of drawn wire. Hence wire will not break.
Explanation of Solution
Given Information:
Drag force = 14.43lb
Final diameter = 1mm
Stress acting on the wire has a final diameter of 1 mm subjected to drag force is given by,
Thus, the wire will not break.
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Chapter 8 Solutions
Essentials Of Materials Science And Engineering
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