Liberal Dictionary English Dictionary
noun
- the hardening of metals by spontaneous structural changes over a period of timeSee also precipitation hardening
precipitation hardening
Precipitation or Age Hardening – ppt video online download
![Steps of precipitation hardening [47]. 2-14-1 Solution heat treatment Solution heat treatment is the first step in the age-hardening process,](https://www.tekportal.net/wp-content/uploads/2019/02/age-hardening-5197.jpg)
Steps of precipitation hardening [47]. 2-14-1 Solution heat
precipitation hardening
Age-Hardening Treatment of Metals | Metallurgy