国家/地区 中国（3）
IPC部 B（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B035/628（4）
发明人
公开年 2021（2）
申请年 2021（4）
专利权人

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

Mixed fiber preform reinforced composite material useful in three-dimensional mixed-woven polyimide reinforced polyformaldehyde composite material, has e.g. fiber perform, namely three-dimensional fabric woven by two to five fibers.

CHEN Z, XIAO Q, MIAO Y

Preparation of carbon fiber preform involves soaking first modified carbon fiber cloth in dispersion liquid of carbon nanomaterial to obtain second modified carbon fiber cloth, and weaving second modified cloths to obtain final product.

LI A, JIA L, SONG Y, WANG M, ZHANG D

Preparing carbon-magnesium oxide nano composite powder useful in preparing refractory material comprises using raw material magnesium citrate, which is prepared by low-temperature pretreatment and medium temperature sintering successively.

XIAO G, LUO J, DING D, ZHONG X