Engineering, 25.03.2021 20:20 AnastasiaJauregui
g Strain(5points) –Strain should be represented as a 2ndrank tensor=[xxyxzxyyyzxzyzz]=[xxy2xz2xy 2yyz2xz2yz2z]What are the advantages/disadvantages of using average shear strain xyversus engineering shear strain xy?We often represent strainusing Voigt’s notation={xyzyzxzxy}What are the advantages/disadvantages of the 2ndrank tensor form versus Voigt’s notation?
Answers: 3
Engineering, 04.07.2019 18:10
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Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
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Asolid steel sphere (k=63.9 w m-1 k-1 , ? =7832 kg m-3 , c=0.523 kj kg-1 k-1 ), 100 mm in diameter is initially at a uniform temperature of 500o c and is suddenly quenched in a large oil bath for which t? = 100o c and h = 3200 w m-2 k-1. estimate the time required for the sphere to cool to 200o c and to 110o c
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g Strain(5points) –Strain should be represented as a 2ndrank tensor=[xxyxzxyyyzxzyzz]=[xxy2xz2xy 2yy...
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