How does solid solution hardening relate to a phase diagram?

Expert Solution

Solid solution strengthening is the effect of alloying a metal while remaining within the single phase region of the phase diagram. The local strain of the alloy atoms in the host matrix provide resistance for dislocation movement--increasing the strength of the alloy. Precipitation strengthening results when the addition is greater than its solubility in the host matrix. To achieve the strengthening effect from the precipitates, the alloy is heated above the solution temperature of the second phase, while remaining in the solid state. After a quench, the alloy is aged below the solution temperature. Homogeneous nucleation of the precipitate phase results in a fine distribution of the secondary phase--and the resulting dislocation barriers and higher strength. For examples, see the Al-Cu, Al-Mg, Ni gamma/gamma prime superalloys, maraging steels, etc.

samet mamat answered 1 year ago

Explain precipitate hardening clearly ? Feel free to use a binary phase diagram to illustrate how...

Explain precipitate hardening clearly ? Feel free to use a binary phase diagram to illustrate how it is accomplished. Explain how precipitate hardening makes a material stronger and harder ? There are two reasons and only one is pinning of dislocations ? Please type your answer!!! Thanks

differentiate the mechanisms of solid solution strengthening and precipitation hardening in a metal alloy

Describe grain size refinement, solid solution strengthening, precipiation hardening, and work hardening. Why and when do...

Describe grain size refinement, solid solution strengthening, precipiation hardening, and work hardening. Why and when do you use each of these strengthening processes?

Water is cooled to 32K, and it appears to be on the solid phase on the phase changing diagram as the temperature is low.

Water is cooled to 32K, and it appears to be on the solid phase on the phase changing diagram as the temperature is low. We compress the ice to a temperature of 340-350K (around 30ATM on the pressure dial).a. Where is the red dot now located in the phase changing diagram? Would it be on the line between liquid and gas phases?b. What does that position on them phase change diagram say about pressure and temperature?c. What happens to the...

what exactly is a phase diagram and how does it differ from heating curve?? what are...

what exactly is a phase diagram and how does it differ from heating curve?? what are the differences between supercritical point, triple point and critical point?

In this phase diagram for water, indicate the direction that the solid-liquid and liquid-gas coexistence lines...

In this phase diagram for water, indicate the direction that the solid-liquid and liquid-gas coexistence lines will move after the addition of solute.

how does hot and cold working affect work hardening?

True or False: The solid-gas and solid-liquid coexistence lines always have positive slopes in the phase diagram of a pure substance.

The general form of a phase diagram is given below. Observe that this phase diagram...

The general form of a phase diagram is given below. Observe that this phase diagram is divided into three regions by the blue boundary lines similar to the way the interactive phase diagram for CO2 was divided. Compare this general form of this phase diagram with the interactive phase diagram for CO2 and classify points a through g on the phase diagram according to the number of phases present at each point. One phase: Two Phases: Three Phases:

what is the difference between a Eutectic Phase Diagram and a Peritectic Phase Diagram?

Question