A copper-nickel alloy of composition 70 wt% Ni - 30 wt% Cu is slowly heated from 1250 °C. What is percentage of copper in the first liquid phase that forms? Use the Cu-Ni equilibrium phase diagram shown below. 1500 Temperature (°C) 1455° 1400 Liquidus L 1300 1280° α+L Solidus 1200 1240° α ୪ 1100 1085° 1000 Cu 20 40 60 80 Ni Weight percent nickel

A copper-nickel alloy of composition 70 wt% Ni - 30 wt% Cu is slowly heated from 1250 °C. What is percentage of copper in the first liquid phase that forms? Use the Cu-Ni equilibrium phase diagram shown below. 1500 Temperature (°C) 1455° 1400 Liquidus L 1300 1280° α+L Solidus 1200 1240° α ୪ 1100 1085° 1000 Cu 20 40 60 80 Ni Weight percent nickel

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter22: Inorganic Materials

Section: Chapter Questions

Problem 44AP

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