Question $4$:

The animated figure below shows a plot of the logarithm stress versus the Larson$-$Miller parameter for an S$-590$ alloy. A component made of this alloy must have a creep rupture lifetime of at least $20$ days at $750$@$C(1023K).$ Compute the maximum allowable stress level. $(5$ pts $).$

Animated figure of Logarithm of stress versus the Larson$-$Miller parameter for an S$-590$ alloy for use

Solution :

$4$

Choose a material for a bridge support component that must withstand heavy impact loads at temperatures below $-40F.$ Options: $304$ Stainless Steel, Low Carbon Steel, High Carbon Steel, Brass Alloy. Give the reasoning$(5$ pts$).$

Question $4$:

The animated figure below shows a plot of the logarithm stress versus the Larson$-$Miller parameter for an S$-590$ alloy. A component made of this alloy must have a creep rupture lifetime of at least $20$ days at $750$@$C(1023$ K $).$ Compute the maximum allowable stress level. $(5$ pts $).$

Animated figure of Logarithm of stress versus the Larson$-$Miller parameter for an S$-590$ alloy for useSolution :

Choose a material for a bridge support component that must withstand heavy impact loads at temperatures below $-40F.$ Options: $304$ Stainless Steel, Low Carbon Steel, High Carbon Steel, Brass Alloy. Give the reasoning$(5$ pts$).$

Solution: