Find the tensile strength of the rope using Equation No. 1*
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- The rails of a railroad track are welded together at their ends (to form continuous rails and thus eliminate the clacking sound of the wheels) when the temperature is 60°F. What compressive stress ?? =6.5×10-6 /? is produced in the rails when they are heated by the sun to 120"F if the coefficient of thermal expansion a = the modulus of elasticity E = 30 × 106 psi?Draw the tensile curves of the following materials, taking into account the appropriate elongation at break, modulus of elasticity and tensile stress, on the side stress-strain graph. a)Low carbon steel (Ecelik=200Gpa),(Syield=300MPa),(Stensile=400MPa) b)High carbon steel (Esteel=200GPa),(Stensile=700MPa) c)Aluminum (Ealuminum=70GPa), (Syield=200MPa),(Stensile=300MPa) d)Cast iron (Ecast iron=120GPa),(Stensile=200MPa)The ply stress σα was calculated for AS1/3501-6 Graphite/Epoxy laminates [0/+-45]s under load with N1=10,000 N/m and N2=N6=0. When the strength of this material is as follows, determine the stability of the laminate according to the maximum stress theory.
- brittle material has the properties Sut = 30 kpsi and Suc= 90 kpsi. Using the brittle Coulomb- Mohr and modified-Mohr theories, determine the factor of safety for the following states of plane stress σx = 25kpsi , σy = 15kpsi.Bar of steel, (yield strenght Sy = 559 MPa) is subjected to the following stresses; σx = 176 MPa , σy = 107 MPa , τxy = 222 MPa Using the Maximum Shear Stress Theory (MSS) determine the factor of safety and check is the bar will fail or not.10.3. Consider the state of stress shown below that exists at a location within a component made up ofa brittle material, where this brittle material has tensile and compressive ultimate strengths ofσ UT = 170 MPa and σ UC = 850 MPa, respectively. Has the material failed at this location in thecomponent? Please include a free body diagram.
- Using the relationship θ = TL / IpG in the above problem, again determine the diameter that is necessary to satisfy the requirement of rigidity (remembering to convert θ from degrees to radians). Considering the strength and rigidity requirements, which diameter should we chooseThe cold work is gevn for 15% then determine the upcoming values of its stength if the material is An annealed steel the properties of the material is Sy = 32.0 kpsi, Su = 49.5 kpsi,σf = 91.1 kpsi, σ0 = 90 kpsi, m = 0.25, and εf = 1.05 in/in. assume steel type :An annealed AISI 1018 steel please give detiled answer if expecting upvoteA brittle material has the properties . Sut = 30 kpsi and Suc = 90 kpsi Using the brittle Coulomb-Mohr and modified-Mohr theories, determine the factor of safety for the following states of plane stress.
- See the set of bars for made of a material that has a yield strength of 350 MPa, determine the minimum h1 and h2 dimensions required. Apply a safety factor F.S. = 1.5 without flow. Each bar is 12 mm thickA standard Vickers Hardness test was conducted on a metal specimen.Determine the Vicker’s hardness number and the tensile stress of thespecimen. The applied load was 10 kgf, and the standard indentor left anindentation with diagonal d = 0.217 mm. Assume that the metal is hard.A material has the following properties, ultimate Sul = σul = 350mpa, the strain hardening exponent n=0.20. Determine the value for the strength coefficient K.