国家/地区 中国（3）
IPC部 C（3）
IPC大类 C22（3）
IPC小类 C22C（3）
IPC C22C030/00（3）
发明人
公开年 2023（3）
申请年
专利权人

Plating film on surface of plastic work piece comprises etching plastic product, placing plastic work piece with rough surface in vacuum coating machine, using metal alloy, and coating varnish film layer on plastic work piece with surface deposited with metal film layer.

ZHI X

Preparing high strength cold rolling strip steel comprises taking titanium carbide powder, ultrasonically cleaning with acetone, mixing nickel sulfate, ammonium sulfate and aqueous ammonia, transferring to reaction liquid, heating, ball milling under nitrogen environment and sieving.

SU J, ZHOU H

Composite lubricating coating useful for linear guide rail pair, comprises transition layer to combine raceway surface of linear guide pair with base material of linear guide pair, and wear-resistant self-lubricating layer arranged on surface of damping layer away from transition layer.

PAN G, CUI Z, ZHANG Y, YANG Q