What are the units and equations for determining yield strength?

You have been given the following test sample data following mechanical testing of 15 test pieces of a transformation toughened zirconia. What is the Weibull modulus of this material? Would you advise the use of this material over one with a Weibull Modulus of 25.4 and a mean failure stress of 235 MPa, if you anticipate that the peak stress on the material could be 220 MPa? (Since this question has two parts, you must select the two correct options from the list below) Test Sample Failure Stress (MPa) 1 255 2 271 3 260 4 223 5 257 6. 267 7 242 8 230 9. 245 10 225 11 254 12 236 13 238 14 251 15 264 O a. 27.3 O b. 4.5 O c. 6.9 O d. Yes е. 15.2 O f. 18.3 O g. No O O O O O O O

5) Draw the stress-strain curve and gives the stress and strain equations for both Engineering and True stress-strain What is the impact test, why it used and what the main difference between its methods?

How does the choice of material and cross-sectional geometry affect the bending behavior and structural integrity of a mechanical component?

What are the important points on the stress-strain diagram?

Why do the Brittle materials fail in tension?

Under what circumstance could a fatigue crack become nonpropagating, even though the component experiences the same stress cyclic levels?

What are the three equations of flexural rigidity?

How can the internal bending and torsion at any cross-section best be determined?

How does the resilience of this material compare to its toughness?