... these coatings respond to mechanical loading in the form of scratch testing. Design/methodology/approach The coatings were applied to CF8M stainless steel using the detonation gun (D-Gun) technique. Both coated and uncoated samples were subjected to scratch tests under continuous load of 20 N, 50 N, 100 N...

... Friction Crystallographic orientation Sapphire Scratch testing Single diamond grit Sapphire is a multifunctional material which is primarily used for fabrication of substrates for light-emitting diodes, windows for civilian and military equipment. Due to its extremely high hardness...