What makes a wool fiber robust? The flexibleness of the wool fiber additionally makes it extra sturdy. A wool fiber will be bent again on itself greater than 20,000 occasions with out breaking, in comparison with about 3,000 occasions for cotton and a couple of,000 occasions for silk. The pure elasticity of wool additionally makes… Continue reading What makes a wool fiber strong?
Tungsten carbide is extraordinarily laborious, rating about 9 to 9.5 on Mohs scale, and with a Vickers variety of round 2600. It has a Younger’s modulus of roughly 530–700 GPa, a bulk modulus of 630–655 GPa, and a shear modulus of 274 GPa. How a lot power does it take to interrupt a tungsten ring?… Continue reading How Strong Is Tungsten Carbide?