Patent ID: 8679207

Claim:
A wear resisting structure member comprising a mother phase metal and a plurality of wear resisting particles dispersed in said mother phase material thereby improving the wear resisting property, wherein each of said wear resisting particles has a particle size in a range from 0.2 to 9 mm, wherein each of said wear resisting particles comprises a material containing a first hard material and a second hard material, said material containing 60 to 96% by volume of carbide and balance of a metal, wherein a cross section of said mother phase metal extending in a vertical direction has an upper half and a lower half divided by a line perpendicular to the vertical direction, and wherein a quantity of said wear resisting particles existing in the upper half of said cross section is defined as “a”, a quantity of said wear resisting particle existing in the lower half of said cross section is defined as “b”, and a/b is 0.38 or larger.