Patent ID: 9334560
Filing Date: 2016-05-10
CPC Classification: B22D,B32B,C22C,C23C,Y10T

Claim Text:
1. A cutting tool having a metallic glass (MGTF) coated thereon, which comprises: a cutting element having a sharpened portion, and the cutting element is made of metal; a metallic glass thin film which is coated on the cutting element, and a composition of the metallic glass thin film is represented by a following formula 1 or formula 2; and a buffering layer locating between the cutting element and the metallic glass thin film, and the thickness of the buffering layer is 10 nm to 100nm, wherein 45=<a=<75, 25=<b=<35, 5=<c=<15, 5=<d=<15, 0.1=<x=<10, 35=<e=<55, 35=<f=<55, 5=<g=<15, 5=<h=<15, 0.1=<y=<10.