The figure below is a stress strain curve for an alloy of aluminum at various temperatures. a) What is the yield stress at room temperature? b) Assume a rod made of this material is 20 cm long and at room temperature. If the rod were put in tension, how long would it be when it breaks? c) If the rod has cross-sectional area 1 cm², what force is required to break it (in tension)? Longitudinal RT 60 250F 350F 3아- 500F 20 0008 Strain, in/in. a.002 0.004 0.006 Q010 O012 A-3 Stress, ksi

Question
The figure below is a stress strain curve for an alloy of aluminum at various temperatures.
a) What is the yield stress at room temperature?
b) Assume a rod made of this material is 20 cm long and at room temperature. If the
rod were put in tension, how long would it be when it breaks?
c) If the rod has cross-sectional area 1 cm², what force is required to break it (in
tension)?
Longitudinal
RT
60
250F
350F
3아-
500F
20
0008
Strain, in/in.
a.002
0.004
0.006
Q010
O012
A-3
Stress, ksi
Expand
Transcribed Image Text

The figure below is a stress strain curve for an alloy of aluminum at various temperatures. a) What is the yield stress at room temperature? b) Assume a rod made of this material is 20 cm long and at room temperature. If the rod were put in tension, how long would it be when it breaks? c) If the rod has cross-sectional area 1 cm², what force is required to break it (in tension)? Longitudinal RT 60 250F 350F 3아- 500F 20 0008 Strain, in/in. a.002 0.004 0.006 Q010 O012 A-3 Stress, ksi

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