How to minimize strentgh loss during heat affected zone?

heat gain is when an object get hotter. heat loss is when an object gets colder.

Heat Affected Zone (HAZ) is a rigion near the welded area, where microstructure shows distinct features of increase in grain size. This HAZ is normally suspetible to sensitization if the material is...

This loss of heat is considered a physical change.

Since heat flows from high temperature region to low temperature region so when a hotter body comes in contect with colder body then hotter body loses heat to colder body until both have same...

In an ENDOthermic reaction, heat is taken in, but during an EXOthermic reaction, heat is given out!!If it helps, think of EXO = EXIT, so ENDO = the other one (in)Hope it helps!! : D