What is the tensile strength of a metal if its endurance limit is 84675 psi?
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What is the tensile strength of a metal if its endurance limit is 84675 psi?
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- An engineer determines that a 32 cm long rod of 1020 grade steel will be subjected to a tension of 40 kN. The following two design requirements must be met: the stress must remain below 120 MPa, and the rod must stretch less than 0.135 mm. Determine an appropriate value for the rod's diameter to meet these two requirements. (Round up to the nearest millimeter when reporting your answer.) mmAs the tempering temperature of a heat treated steel increases the associated values of Brinnell hardness also increase, while the values of tensile strength and yield strength decrease. True or falseAnswer the following questions based on the given information in the table and further calculation (if needed for any missing parameter, e.g. strain at yield point). Assume all metals started with the same shape and size before the tensile tests occurred. Material A B C D E Yield Strength (MPa) 105 600 430 355 The material that experienced the greatest percent reduction in area is material The hardest material is material The hardest material has Tensile Strength (MPa) The material that experienced the greatest percent reduction in area has 135 850 The material that experienced the largest change in shape before plastic deformation occurred is material The stiffest material is material The stiffest material has 535 365 Fracture before yielding The material that experienced the largest change in shape before plastic deformation occurred has Strain at Fracture [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] [Choose ] 0.45 0.15 0.20 0.25 Fracture Strength (MPa)…
- What does stress analysis require to determine the maximum stress?Sketch the relationship between the stress and the number of cyclic loading applied on an elementPlease answer these three questions. Thank you! A material has a Poisson’s ratio of -0.2 . Which of the following is true? a. Strain is always compressive regardless of the force applied. b. Lateral and longitudinal strains will have the same sign c. Lateral strain is five times the longitudinal strain. d. The material is ductile and has a high modulus of elasticity. Consider a rod that can carry a maximum stress equal to 200 MPa. If it is to be designed to have a factor of safety against failure equal to 1.5, then the maximum stress that the rod should experience when loaded is nearest to ______ a. 133 MPa b. 150 MPa c. 300 MPa d. 267 MPa Which of the following statements is FALSE? A. The modulus of elasticity of a material can vary between axes. B. The modulus of rigidity can be determined from the shear stress-strain diagram. C. The Poisson’s Ratio can be used in calculating the new diameter in the Necking Region of the stress strain diagram. D. Most materials…