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In an engineering component made of ASTM 30 Gray Cast Iron (use Shigley's tables), the critical element is subjected to the stress components σ x ​ =9ksi,σ y ​ =−15ksi,σ z ​ =6ksi, τ xy ​ =12ksi,τ yz ​ =τ xz ​ =0. Determine the safety factors based on (a) MNST, (b) CMT, and (c) MMT.

User Hubrik
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(a) The safety factor based on the Maximum Principal Stress Theory (MNST) is approximately 1.964.

User Maxammann
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