Patent ID: 8728184
Filing Date: 2014-05-20
Classification: B22F,B23K,B32B,C04B,Y10T

Abstract:
1. A cutting element, comprising: a cemented carbide substrate including an infiltrant and having at least one end bonding surface; and a sintered diamond element having a predetermined shape, said sintered diamond element being attached to the end bonding surface of the cemented carbide substrate, the sintered diamond element including at least one binder phase material in a volume of 0.1 to 15% selected from the group consisting of carbonates of Mg, Ca, Sr, and Ba; oxides of Mg, Ca, Sr, and Ba; complex carbonates of Mg, Ca, Sr, and Ba; and complex oxides of Mg, Ca, Sr, and Ba, the sintered diamond element including an infiltrated region where the infiltrant is disposed therein.