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A copper-zinc alloy has the properties shown in the table below. Grain Diameter (mm) Strength (MPa) 0.015 170 MPa 0.025 158 MPa 0.035 151 MPa 0.050 145 MPa Determine (a) the constants in the Hall-Petch equa- tion; and (b) the grain size required to obtain a strength of 200 MPa.

A copper-zinc alloy has the properties shown in the table below. Grain Diameter (mm) Strength (MPa) 0.015 170 MPa 0.025 158 MPa 0.035 151 MPa 0.050 145 MPa Determine (a) the constants in the Hall-Petch equa- tion; and (b) the grain size required to obtain a strength of 200 MPa.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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A copper-zinc alloy has the properties shown in the table below. Grain Diameter (mm) Strength (MPa) 0.015 170 MPa 0.025 158 MPa 0.035 151 MPa 0.050 145 MPa Determine (a) the constants in the Hall-Petch equa- tion; and (b) the grain size required to obtain a strength of 200 MPa.
Transcribed Image Text:A copper-zinc alloy has the properties shown in the table below. Grain Diameter (mm) Strength (MPa) 0.015 170 MPa 0.025 158 MPa 0.035 151 MPa 0.050 145 MPa Determine (a) the constants in the Hall-Petch equa- tion; and (b) the grain size required to obtain a strength of 200 MPa.
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