2021 Newsletters

Spring 2021

Formation of a fusion weld nugget is compared to a pressure cooker and how it retains the contents safely inside. The weld nugget discusses the nuances of the process.

Summer 2021

Joint quality is affected by changes in the weld/solder/braze during cooling. The weld nugget discusses the nuances of metallurgical and mechanical characteristics during cooling.

Fall 2021

Weld solidification is very similar to metal casting. This nugget discusses the similarities and differences between the two processes and how one can use that information to understand issues and defects in welding.

Winter 2021

Many aspects of the welding process including shielding gas and cooling stresses affect weld strength. This nugget discusses those issues for a better understanding of anticipated weld metal strength