Sentences with phrase «layer of alumina»

The diamonds were then coated with a thin layer of alumina to prevent the hydrogen from diffusing into their crystal structure and embrittling them.

Not exact matches

In their research, the scientists created core and shell powders consisting of a tungsten particle core and thin alumina shell that were then synthesized using atomic layer deposition in a rotary reactor.

However, many of the aerosols scientists have suggested using, such as diamond dust or alumina, are harmful to the ozone (a layer that protects the Earth's surface from some of the sun's ultraviolet rays) and human health.