The yield strength for an alloy that has an average grain diameter of 4.4 x 10-2 mm is 133 MPa. At a grain diameter of 8.3 x 10-3 mm,the yield strength increases to 243 MPa. At what grain diameter, in mm, will the yield strength be 226 MPa?d =imm

Given data in question Yield stress and Grain diameter To find out Diameter of grain at specified…

The yield strength for an alloy that has an average grain diameter of 4.4 × 10-2 mm is 133 MPa. At a grain diameter of 8.3 × 10³ mm, the yield strength increases to 243 MPa. At what grain diameter, in mm, will the yield strength be 226 MPa? d = i mm

The yield strength for an alloy that has an average grain diameter of 4.4 × 10-2 mm is 133 MPa. At a grain diameter of 8.3 × 10³ mm, the yield strength increases to 243 MPa. At what grain diameter, in mm, will the yield strength be 226 MPa? d = i mm

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter7: Making Strong Materials

Section: Chapter Questions

Problem 7.5P

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Concept explainers

Alloys

An alloy is an admixture of two or more metals or a metal and a non-metal. Since ancient times, man has been using alloys. Alloying helps to retain the properties of the parent matter, such as hardness, strength, toughness, ductility and is corrosion-resistant. Copper alloys such as brass have antimicrobial properties that help to fight against (Coronavirus disease 2019) COVID-19 and other hospital-acquired infections. Some common alloys are brass, bronze, solder steel, etc. Most alloys have a lower melting point than their constituents. This is due to the presence of a nonmetal as one of the constituents that behaves as an impurity and restricts the raise of melting point.

Question

The yield strength for an alloy that has an average grain diameter of 4.4 x 10-2 mm is 133 MPa. At a grain diameter of 8.3 x 10-3 mm,
the yield strength increases to 243 MPa. At what grain diameter, in mm, will the yield strength be 226 MPa?
d =
i
mm

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