国家/地区 中国（3）
IPC部 C（3） B（2）
IPC大类 C22（3）
IPC小类 C22C（3）
IPC C25D015/00（2）
发明人
公开年 2022（3）
申请年 2022（3）
专利权人

Hardening stainless steel surface, involves taking sleeve base body after ultrasonic rolling, carburizing surface to form carburized layer, taking sleeve base body after carburization, and brightening surface to obtain finished product sleeve.

BIAN C

Preparation of copper-tungsten graphene-containing composite material for vacuum switch electric appliance, involves preparing tungsten-copper-graphene core-shell powder, and sintering obtained graphene core shell powder.

DING Y, ZHU Z, LIANG S, ZOU J, XIAO P, CHEN Z, ZHANG Q, DENG N

Preparing titanium-nickel alloy matrix composite material with wide temperature range and high damping response, comprises cutting titanium-nickel foil into thin slices by wire cutting, polishing surface, adding graphene oxide to absolute ethanol for ultrasonic dispersion, and tiling and stacking.

LI L, DONG L, HUO W, CHANG G, LI X