Each metallurgical failure analysis and accident investigation is unique. The goal of this section is to give helpful insight into the intricacies of metallurgical failure analysis using examples from the more than 1,600 accident investigations conducted by Dr. Jerner. As you read about the various accidents and failures, some will be familiar as they were reported in the national and international news. You will find that years of accident investigation experience, combined with the ability to uncover intricate details as well as having a global view, are needed to assess and decipher the root cause of many of these metal failures and accidents. The categories listed below are links to the thumbnail sketches of many of these unique accident investigations and failure analyses.