Understanding Slip Orientation: If a single grain of steel with yield stress of 40,000 psi is...

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Question

Understanding Slip Orientation:

If a single grain of steel with yield stress of 40,000 psi is oriented so gamma is 45 degrees and phi is 45 degrees from a tensile load, what is the critical shear stress on this grain?
This grain is part of a larger specimen with many adjacent grains at random orientations. If we apply a shear stress of your calculated shear stress +100 (whatever units you used) will this grain shear? Why or why not?

Answer 1

Answer #1

Given that

o 40, 000 Psi 45° 45°

The critical shear stress given as

T=O Coso.cosy Now by putting the values T 40, 000 x cos45° x cos45° psi T =20, 000 psi

Answer 2

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