A bolt is tightened, subjecting its shank to a tensile stress of 90 MPa and a torsional shear stress of 60 MPa at a crit

[answerhappygod]

A Bolt Is Tightened Subjecting Its Shank To A Tensile Stress Of 90 Mpa And A Torsional Shear Stress Of 60 Mpa At A Crit 1 (27.17 KiB) Viewed 102 times

A bolt is tightened, subjecting its shank to a tensile stress of 90 MPa and a torsional shear stress of 60 MPa at a critical point. All the other stresses are zero. The material is high-carbon steel (AISI 1080, quenched and tempered at 800 C). Find the safety factor at the critical point by the DET and the MSST. Will the bolt fail because of the static loading? 1. Principal stress Based on the principal stress calculate the following: A1 = (x+8y)/2 = MPa A2 = (5x-5)/2 = MPa A3 = = = MPa A4 = 8. MPa A5 = 82= MPа 2. Factors of safety A6 = 5 = MPa A7 = 63= MPa A8 = na 3. Maximum shear stress theory Use the equation of maximum shear stress theory to compute the following: A9 = (82-81)2= MPa A10 = (83-8723 MPa A11 = (83-82)2 = MPa A12 = 5= MPа overall factors of safety A13 = Sy= MPa A14 = ns =