Question

Material Science and Engineering: Question 2 is on Ferrous and Nonferrous Alloys and Question 6 is on Ceramics. The correct answers are posted but would like to know which equation is used. Please explain. Thank you. I just figured out Question 6 so you do not need to answer it but would be nice in case i missed the big picture. I ONLY ask now is to solve for Question #2.

0/2 pts Question2 A plain carbon steel having a microstructure consisting of 25% Pearlite and 75% Ferrite has a carbon content of approximately: Correct Answer 0.20 wt% C 2.50 wt% C You Answered 0.60 wt% C 0.25 wt% C 0/ 2 pts Question 6 For an Alumina (Al203) specimen having a Fracture Toughness (Kic) of 3.4 MPa m1/2, an applied load of 0.125 GPa, what is the maximum internal flaw (Y-1): Correct Answer 0.471 mm You Answered 235 um 235.5 m 0.118 mm

Answer 1

?29℃ CT Carbon-at % PR 0.26-S O-3s 0-26 0-02 时1 "No rsal change in history has efer been acheived by discussions. Subhash chandra bose