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The stress-strain curve for titanium alloy (Ti-6Al-4V) at 427° C is compared with the stress-strain curves for titanium matrix composite (TMC) at 25° and 427° C.
a. ​Determine the value of the elastic modulus for Ti-6Al-4V at 427° C.
b.​Determine the change in length of a for Ti-6Al-4V test specimen (originally 5 inch long) that is subjected to a tensile stress of 40,000 lb/in2 at 427° C.
c. ​Determine the 0.2% YS for TMC at 25° C and 427° C.
d.​What is the strain at 0.2% YS for TMC at 25° C and 427° C?
e.​Compare the elastic moduli of the Ti-6Al-4V alloy at 427° C and the TMC at 427° C. Are they the same or different (need values)? If they are different, how much different are they?

(4) Problem: 25 points) The stress-strain curve for titanium alloy (Ti-6Al-4V) at 427° C is compared with the stress-strain curves for titanium matrix composite (TMC) at 25 and 427° C. a. Determine the value of the elastic modulus for Ti- 6A1-4V at 427° C b. Determine of a for Ti-6A1-4V test specimen (originally 5 inch long) that is subjected to a tensile stress of 40,000 lb/in at 427° C. C. 427° C? C. Determine the 0.2% YS for TMC at 25° C and 4270 d. What is the strain at 0.2% YS for TMC at 25° C and Compare the elastic moduli of the Ti-6Al-4V alloy at 427° C and the TMC at 427° C. Are they the same or different (need values)? If they are different, how e. much different are they? 16x104 TMC at 25°C 12 TMC at 427 °C Ti-6Al-4V at 427C 4 0 0.000 0.005 0.010 0.015 0.020 0.025 Axial strain Solution:
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