Repeat Problem 2–9 for a part made from hot-rolled AISI 1212 steel.
A part made from annealed AISI 1018 steel undergoes a 20 percent cold-work operation.
(a) Obtain the yield strength and ultimate strength before and after the cold-work operation. Determine the percent increase in each strength.
(b) Determine the ratios of ultimate strength to yield strength before and after the cold-work operation. What does the result indicate about the change of ductility of the part?
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Una dobladora conformadora se utiliza comúnmente para evitar la/el _____ del PVC al doblarlo.
a. corrosión b. aplanado c. corte d. presión excesiva
The first genetically altered calf clones were produced in:
a. 2002 c. 1998 b. 1996 d. 1986
If the area of two cylinder's pistons is different and the pressure applied to them is the same the result is:
a. the bigger piston will move faster b. the bigger piston will have more output force c. the smaller piston will move slower d. the smaller piston will have more output force
Discuss what a designer must consider as a part is planned.
What will be an ideal response?