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A 1.5-kg specimen of a 90 wt% Pb-10 wt% Sn alloy (Animated Figure 9.8) is heated to 250°C; at this temperature it is entirely an α-phase solid solution. The alloy is to be melted to the extent that 50%
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A 1.5-kg specimen of a 90 wt% Pb-10 wt% Sn alloy (Animated Figure 9.8) is heated to 250°C; at this temperature it is entirely an α-phase solid solution. The alloy is to be melted to the extent that 50% of the specimen is liquid, the remainder being the α phase. This may be accomplished either by heating the alloy or changing its composition while holding the temperature constant.

User Boushley
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1 Answer

10 votes

Answer:

A. By hit and trial method 280 C

Step-by-step explanation:

ion know B sorry

User Kirzilla
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