A brittle material has the properties Sut = 31 kpsi and Suc = 109 kpsi. Using...
A 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. Ox=-22 kpsi, Oy=-22 kpsi and Txy= = -15.5 kpsi The factor of safety from the brittle-Coulomb-Mohr theory is and the factor of safety from the modified-Mohr theory is
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. a) σx = 25 kpsi, σy = 15 kpsi b) σx = 15 kpsi, σy = -15 kpsi
A brittle material has the properties Sat 19 kpsi and Suc 95 kpsi. Using the brittle Coulomb Mohr and modified Mohr theories, determine the factor of safety for the following 0x = 18 kpsi, Gy = 14 kpsi, Txy 0 Hint: Coulomb-Mohr Theory: Oxt Oy 2 + + If A 2 0820 A = Sut If 0 202 03 OA Sut Suc Suc If 0 2 042 OB ов a. n-1.22 b. n - 2.72 Ocn- 3.14 Od.n - 1.52...
A brittle material has the properties su kpsi and S 125 kps using the bitte Coulomb Mohr and modified Mortheories, determine the factor of safety for the following x = -20 kpsi, Gy = 18 kpsi, Txy = -13 kpsi Hint Coulomb-Mohr Theory: Oox + Oy + 04.08 1 2 3* + z3 2 If on 2020 OA Suit 71 If on 20 203 GA Sut Sue If 0 201208 OR a. n-2.65 Ob.n-1.26 On-1.68 d. n-3.14 en - 1.08
A brittle material has the properties Sut = 30kpsi and Sue = 90kpsi. Using the Maximum Normal Stress theory, determine the factor of safety for the following states of plane stress. (a) Ox = 20kpsi, Oy = 10kpsi, Txy = -15kpsi (b) Ox = 15kpsi, oy = -25kpsi (c) Ox = 10kpsi, oy = -40kpsi (d) Ox = -20kpsi, oy = -20kpsi, Txy = -40 (1) Draw the stress element Plot the failure diagram in the o-plane Estimate the factor...
2. Figure below shows the state of stress at a critical point on a component of a lawn mower. Material properties 0.005 are Sut# 170 MPa; Suc-650MPa; Sus-240 MPa;Ep a. Identify the type of material (ductile or brittle) and justify it. 2 marks) 13 marks c. Formulate the solution and determine if the component will fail or not fail. b. Identify the appropriate failure theories. [10 marksl d. Solve for the factor of safety from appropriate failure theories using appropriate...