Please answer all the parts from a -d complelty and clearly 12. Consider an Al-12% Mg alloy (Figure 11-29). During solidification, determinea) the composition of the first solid to form;b) the liquidus temperature, solidus temperature, solvus temperature, and freezing range ofthe alloy;c) the amounts and compositions of each phase at 525 °C;d) the amounts and compositions of each phase at 450 °C; and (e) the amounts andcompositions of each phase at 25 °C.Temperature (°C)8007006005004003002001000AlαLa+L14.9451°a+ß10Weight percent magnesium2035.035.5130

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Engineering

Mechanical Engineering

Please answer all the parts from a -d complelty and clearly

Welding: Principles and Applications (MindTap Course List)

8th Edition

ISBN:9781305494695

Author:Larry Jeffus

Publisher:Larry Jeffus

Chapter26: Welding Metallurgy

Section: Chapter Questions

Problem 12R: What is a eutectic composition?

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Concept explainers

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

Please answer all the parts from a -d complelty and clearly

12. Consider an Al-12% Mg alloy (Figure 11-29). During solidification, determine
a) the composition of the first solid to form;
b) the liquidus temperature, solidus temperature, solvus temperature, and freezing range of
the alloy;
c) the amounts and compositions of each phase at 525 °C;
d) the amounts and compositions of each phase at 450 °C; and (e) the amounts and
compositions of each phase at 25 °C.
Temperature (°C)
800
700
600
500
400
300
200
100
0
Al
α
L
a+L
14.9
451°
a+ß
10
Weight percent magnesium
20
35.0
35.51
30

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Step 3: b. The liquidus temperature, solidus temperature,solvus temp. and freezing range of alloy.

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