Unformatted text preview: Rockwell C from R C =20 to R C =50. (You may plot by spreadsheet, MATLAB, any plotting routine, or by hand.) 5. A steel specimen has a BHN of 200. a. What is the UTS in psi according to Table 2.1? b. What is the UTS in psi according to Equation 2.11? 6. A Charpy impact test is conducted according to Figure 2.5. Assume that the radius of the arm is 750 mm and the hammer has a mass of 2 kg. If the hammer is initially held horizontal before dropping, plot the energy (J) absorbed by the specimen as a function of the maximum angle of the hammer from the specimen after impact. Hint: want this plot Note: A copy of Figure 2.13 is on the reverse for your convenience. You may want to have this with you for the lectures on steel on other iron alloys....
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- Spring '08
- Tensile strength, Charpy impact test, gage length