Abstract: 4H-SiC is one of the most commonly used third-generation semiconductor materials, and the machining technology of it has always been a big problem. Considering that the actual machining ...

The aim of this study was to determine the effect of variations in indentation load and time on the Knoop and Vickers hardness numbers (KHN and VHN) for enamel and dentin. Twenty molar teeth were ...

Since its 3000-series Fastrac bowed out of production in 2018, JCB has had a sizeable void in the middle of its tractor range. But after five years of designing, engineering and testing, the ...

You’re at the store, and you grab a jug of milk to plop in your grocery cart. You notice there’s a circular indentation in the container, so you take a peek at a few others. This little dent is ...