If you could produce AISI 1020 steel with a grain size of 50 nm, what would be the expectedyield stress, assuming a Hall--Petch response? (  MPa, k=0.56 MN/m3/2). Explain eachterm in H-P relation. 3. If a steel has a value of o; = 150 MPa and k = 0.56 MPa m2, what is the value of yield stressif the grain size is ASTM no. 6? (G=ASTM no. relates to number/mm? and InNa=(G+2.9542)/1.4427 and diameter of grain D²~1/N,)

Permissible stress is stress which produces due to pressure or forces which does not exceed the…

If you could produce AISI 1020 steel with a grain size of 50 nm, what would be the expected yield stress, assuming a Hall--Petch response? (  MPa, k=0.56 MN/m3/2). Explain each term in H-P relation.

If you could produce AISI 1020 steel with a grain size of 50 nm, what would be the expected yield stress, assuming a Hall--Petch response? (  MPa, k=0.56 MN/m3/2). Explain each term in H-P relation.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

If you could produce AISI 1020 steel with a grain size of 50 nm, what would be the expected
yield stress, assuming a Hall--Petch response? (  MPa, k=0.56 MN/m3/2). Explain each
term in H-P relation.

3. If a steel has a value of o; = 150 MPa and k = 0.56 MPa m2, what is the value of yield stress
if the grain size is ASTM no. 6? (G=ASTM no. relates to number/mm? and InNa=
(G+2.9542)/1.4427 and diameter of grain D²~1/N,)

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