Determine the constants in the hall-petch equation

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Reference no: EM131193475

A copper-zinc alloy has the following properties

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 equation; and

(b) the grain size required to obtain a strength of 200 MPa.

Reference no: EM131193475

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