A novel approach for testing of scratch resistance of ceramic tiles and understanding of the mechanisms of material failure and removal is presented. The approach is based on the scratch test method that is routinely used in other industrial domains. The progressive load scratch test method with diamond indenter proved to be a far superior method to the EN 101 standard.
Experts speculate over cause of Iberian power outages
I´m sure politicians will be thumping tables and demanding answers - while Professor Bell, as reported above, says ´wait for detailed professional...