Quiz - Topics in Metal Plasticity
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Question 1 of 10
1. Question
Material A has an initial yield stress of 200 MPa. It is loaded uniaxially in tension to 300 MPa and then it is unloaded completely(i.e. the load is reduced to 0 Mpa). In step 2, we start increasing the uniaxial tensile load again to 400 MPa. Until what load does material A shows a linear stress-strain behavior in step 2?
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Question 2 of 10
2. Question
The stress beyond which a material starts developing plastic strains is called _____.
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Question 3 of 10
3. Question
For a Multilinear Hardening material model, the plastic portion of the stress strain curve is defined by specifying which of the following data?
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Question 4 of 10
4. Question
Which of the following statements, about modeling the necking phenomenon in a uniaxial tensile test, is TRUE?
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Question 5 of 10
5. Question
We have a set of 5 data points (plastic strain, stress in MPa) for Multilinear Hardening material model. They are (0,200) (0.1, 300) (0.2,370) (0.3, 420) (0.4,450). Pick TWO CORRECT statements from the following.
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Question 6 of 10
6. Question
A ductile material starts developing plastic deformation when _____.
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Question 7 of 10
7. Question
Which of the following statements are TRUE? Select the TWO best options.
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Question 8 of 10
8. Question
Which of the following are good practices to follow when modeling plasticity? Select the two best possible options.
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Question 9 of 10
9. Question
Which of the following checks should be done when non-convergence is encountered in case of multilinear hardening material models? Select the THREE best options.
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Question 10 of 10
10. Question
Which of the following statements are TRUE? Select the TWO best options.