Chapter 12, Problem 12.21P

Interpretation Introduction

Interpretation:

The reason for the formation of precipitates during precipitation hardening throughout the microstructure and not just at grain boundaries needs to be explained.

Concept Introduction:

The precipitation hardening is termed as age or particle hardening. It is a technique involving the heat treatment of malleable materials to increase their yield strength. The materials are generally structural alloys of magnesium, aluminum, titanium, nickel and few sheets of steel or stainless steels. It makes the metal to become stronger. In the beginning of the process, uniformly dispersed particles are produced within a metal's grain structure which helps hinder the motion and strengthen it if specifically, the metals are malleable.