In-situ Detection of Surface Micro-cracking in Ultrafine-grained AZ31 Magnesium Alloy by Resonant Ultrasound Spectroscopy

Abstract

Resonant ultrasound spectroscopy (RUS) was applied to monitor the micro-cracking process occurring during cooling at polished surfaces of an ultrafine-grained AZ31 magnesium alloy.

Keywords

• In-situ
• Detection
• Surface
• Micro-cracking
• Ultrafine-grained
• AZ31
• Magnesium
• Alloy
• Resonant
• Ultrasound
• Spectroscopy