国家/地区 中国（2）
IPC部 B（4）
IPC大类 B23（4）
IPC小类 B23B（4）
IPC B23B027/14（2）
发明人
公开年 2023（4）
申请年 2022（3） 
专利权人

Drill bit for drilling e.g. aerospace graphene composite plate, has reverse blade arranged between inner and outer walls of reverse groove and adapted for removing burr, and cutter head connected with cutter handle.

JIANG F, ZHOU R

Powder useful for producing polycrystalline diamond sintered body, comprises metal-doped carbon-based powder containing metal in space between carbon atoms of carbon powder, and diamond powder.

KYOUNGRYOULHAN, LEE H S, YOUNG A S, JANG D

Machining of titanium alloy with micro-groove textured cutting tool has different type of tool inserts like plain tool, triangle micro texture tool and triangle texture tool with solid lubricant using tungsten carbide chemical vapor deposition coated insert.

KAUR H, BALA A, SETHI G, CHAWLA K, BAHL A, SINGH J, PRADHAN S, SOPPA I

Material alloy cutter comprises base material layer and carburized layer, where carburized layer is arranged on surface of base material layer, and titanium-aluminum-silicon-nitrogen composite coating of graphene doping is deposited outside carburized layer.

ZHU X, YANG Z, YANG Y, LIU H, LING X