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1. For the Cu-Zn phase diagram. For a 68 wt% Zn-32 wt% Cu alloy, list the phases and compositions that exist at 1000 °C, 760Composition (at% Zn) 20 40 60 80 1200 100 2200 2000 a + L Liquid 1000 1800 B+L 1600 800 B 1400 2 Temperature (°C) Temperature

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Answer #1

Solution :

The microstructure and phases and compositions.

solution 68 wt%. wt% zn-32 wty cu Cullen CLE loooc 760s composition Gooc exist hooc und1000 ०.०० 860 760 60 وعمد प ५००० 2w ८० ५० 60 80 100 cany (4)يمصهع The rerticle line a Composition 68 wty zn. 32 wty cu has been drawn, In ciddition horizontal at Carrows the four tempre- (78 wtt.zhi (67. । V (6fcot% zn) 600s Zn) 4ooc So At عومها A+ 760 Liquid Phaise C62 CD + /, Z) (67 wty zna L c 75 CD+

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