Air Bubble Prevention in Turbine Blade Roots- A Practical Guide

https://immersion-test-reports.iamarrows.com/a-practical-guide-to-weld-quality-planning-for-industrial-ducts

Air Bubble Prevention in Turbine Blade Roots: A Practical Guide Blade roots have changing angles and precise contact surfaces. Air bubbles can block the sound path and create missing or weak signals. Immersion testing is a team process