The reason should be determined for the maximum tensile strength in Pb-Sn system at the eutectic composition. Concept Introduction: When the melting and solidifying of same or homogeneous substances occur at a single temperature, then the system is known as the Eutectic system. The melting temperature of any single substance is greater than the eutectic temperature Eutectoids transformation occurs when the solution above the transformation point is available in the solid state instead of the liquid state. The eutectic reaction is formed at the thermal equilibrium. Hence, it is also called Invariant reaction. By using Gibbs Energy is equal to zero equation, we can determine the temperature. Eutectic structure − Lamellar Rod like Globular Acicular

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Chapter 11, Problem 11.44P

Interpretation Introduction

Interpretation:

The reason should be determined for the maximum tensile strength in Pb-Sn system at the eutectic composition.

Concept Introduction:

When the melting and solidifying of same or homogeneous substances occur at a single temperature, then the system is known as the Eutectic system. The melting temperature of any single substance is greater than the eutectic temperature

Eutectoids transformation occurs when the solution above the transformation point is available in the solid state instead of the liquid state.

The eutectic reaction is formed at the thermal equilibrium. Hence, it is also called Invariant reaction. By using Gibbs Energy is equal to zero equation, we can determine the temperature.

Eutectic structure −

Lamellar

Rod like

Globular

Acicular

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