Which materials tend to exhibit elastic perfectly plastic behavior?
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Which materials tend to exhibit elastic perfectly plastic behavior?
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- 10 Which is not an elastic constant? Bulk modulus Shear Modulus none of the choices Modulus of elasticityA specimen of steel has a rectangular cross section 20 mm wide and 40 mm thick, an elastic modulus of 207 GPa, and a Poisson's ratio of 0.30. If this specimen is pulled in tension with a force of 60,000 N, what is the change in width if deformation is totally elastic? O Increase in width of 3.62 x 10-6 m O Decrease in width of 7.24 x 10-6 m Increase in width of 7.24 x 106 m O Decrease in width of 2.18 x 10-6 mExplain in detail the effect of Temperature on the Elastic Modulus and Yield Strength ofEngineering materials.
- A cylindrical specimen of brass that has a diameter of 20 mm, a tensile modulus of 110 GPa, and a Poisson's ratio of 0.35 is pulled in tension with force of 40,000 N. If the deformation is totally elastic, what is the strain experienced by the specimen? O 0.00463 O 0.00116 O 0.0029 O 0.01350Discuss the concept of strain hardening in materials?Stress Analysis of Trusses
- Erase Figure 9 In using the method of consistent deformation in analysing structures, the compatibility equation has to be written. Why is this necessary?A steel bar has a length of 2.5 m and cross-section of 200-mm x 100-mm. The modulus of elasticity of this material is 210 GPa and Poison's Ratio is 0.3. The change in width after applying a tensile force of 150 kN is?Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio 2: 5, then the ratio of modulus of elasticity of the two materials will be (a) 2:5 (c) 4 :3 (b) 5:2 (d) 3:4
- With the help of a diagram, contrast the stress-strain relationship with respect to ceramic and metalsWith the help of a diagram, contrast the stress-strain relationship with respect to ceramic and metalsDiscuss the principles of stress and deformation analysis for several kinds of stresses4. A 2.0 m steel is being subjected into a tensile test. At force 30 kN, the length of the steel is now 2.2 m, but after the force has been released, the steel returned to 2.1 m. The state of the steel is at?