Boron carbide, following diamond and cubic boron nitride, will be the 3rd toughest material identified as of 2015, earning it the moniker "black diamond."
The boron (Fluka 15580) and soot (Tujmazy P-803) powders ended https://janicejnbo454052.blogtov.com/9829720/the-fact-about-global-trade-in-food-and-resources-that-no-one-is-suggesting