公开(公告)号：US20200147900A1

公开(公告)日：2020-05-14

申请号：US16740511

申请日：2020-01-13

Applicant: Huazhong University of Science and Technology

Inventor： Chunze YAN ,  Wei ZHU ,  Yusheng SHI ,  Jie LIU

IPC: B29C67/04 ,  C08G18/48 ,  C08G18/76 ,  B33Y70/00 ,  C08G18/30 ,  C08L77/02 ,  B33Y80/00 ,  B29C64/153 ,  C08G18/66 ,  C08L75/08 ,  C08G18/24 ,  C08G18/32 ,  B29C70/12 ,  B29B11/16 ,  B29C51/02 ,  B29B11/14 ,  B33Y10/00

Abstract: A method for manufacturing a composite product, including: 1) preparing a composite powder including 10-50 v. % of a polymer adhesive and 50-90 v. % of a chopped fiber; 2) shaping the composite powder by using a selective laser sintering technology to yield a preform including pores; 3) preparing a liquid thermosetting resin precursor, immersing the preform into the liquid thermosetting resin precursor, allowing a liquid thermosetting resin of the liquid thermosetting resin precursor to infiltrate into the pores of the preform, and exposing the upper end of the preform out of the liquid surface of the liquid thermosetting resin precursor to discharge gas out of the pores of the preform; 4) collecting the preform from the liquid thermosetting resin precursor and curing the preform; and 5) polishing the preform obtained in 4) to yield a composite product.

公开(公告)号：US20170267533A1

公开(公告)日：2017-09-21

申请号：US15614574

申请日：2017-06-05

Applicant: Huazhong University of Science and Technology

Inventor： Chunze YAN ,  Yusheng SHI ,  Wei ZHU

IPC: C01B31/04 ,  C23F4/04 ,  B33Y10/00

CPC classification number: C23F4/04 ,  B33Y10/00 ,  C01B32/184 ,  C01B32/186 ,  C01B32/194 ,  C01B2204/32 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16

Abstract: A method for preparing a three-dimensional porous graphene material, including: a) constructing a CAD model corresponding to a required three-dimensional porous structure, and designing an external shape and internal structure parameters of the model; b) based on the CAD model, preparing a three-dimensional porous metal structure using a metal powder as material; c) heating the three-dimensional porous metal structure and preparing a metal template of the required three-dimensional porous structure; d) placing the metal template in a tube furnace and heating the metal template to a temperature of between 800 and 1000° C.; standing for 0.5-1 hr, introducing a carbon source to the tube furnace for continued reaction, cooling resulting products to room temperature to yield a three-dimensional graphene grown on the metal template; and e) preparing a corrosive solution, and immersing the three-dimensional graphene in the corrosive solution.

公开(公告)号：US20190330119A1

公开(公告)日：2019-10-31

申请号：US16503613

申请日：2019-07-04

Applicant: Huazhong University of Science and Technology

Inventor： Chunze YAN ,  Wei ZHU ,  Hua FU ,  Zhongfeng XU ,  Yusheng SHI ,  Chenhui LI ,  Jiamin WU ,  Shifeng WEN ,  Zhaoqing LI

IPC: C04B35/565 ,  C04B35/80 ,  C04B35/622

Abstract: A method of preparing a C/C-SiC composite part, including: preparing, using a solvent evaporation process, carbon fiber composite powders coated with a phenol resin; according to a three-dimensional model of a to-be-prepared part, forming a green part corresponding to the to-be-prepared part using the carbon fiber composite powders and a 3D printing technology; densifying the green part to yield a C/C porous body having a density of 0.7 to 1.1 g/cm3 and an open porosity of 30 to 50%; and siliconizing the C/C porous body under vacuum, removing excess silicon to yield a primary carbon fiber reinforced carbon-silicon carbide (C/C-SiC) body, densifying the primary C/C-SiC body, to obtain a final C/C-SiC composite part.

公开(公告)号：US20170266882A1

公开(公告)日：2017-09-21

申请号：US15615795

申请日：2017-06-06

Applicant: Huazhong University of Science and Technology

Inventor： Chunze YAN ,  Wei ZHU ,  Yusheng SHI ,  Jie LIU

IPC: B29C67/00 ,  B33Y10/00 ,  B29B11/14 ,  B29C67/04 ,  B29C51/02

CPC classification number: B29C67/04 ,  B29B11/00 ,  B29B11/14 ,  B29B11/16 ,  B29C51/02 ,  B29C64/153 ,  B29C67/00 ,  B29C70/12 ,  B29C2035/0838 ,  B29C2059/027 ,  B29K2101/10 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y80/00 ,  C08G18/244 ,  C08G18/302 ,  C08G18/3281 ,  C08G18/48 ,  C08G18/6688 ,  C08G18/7664 ,  C08L63/00 ,  C08L75/08 ,  C08L77/02 ,  C08K7/06 ,  C08K7/14 ,  C08K7/04 ,  C08L61/06

Abstract: A method for manufacturing a composite product, including: 1) preparing a composite powder including 10-50 v. % of a polymer adhesive and 50-90 v. % of a chopped fiber; 2) shaping the composite powder by using a selective laser sintering technology to yield a preform including pores; 3) preparing a liquid thermosetting resin precursor, immersing the preform into the liquid thermosetting resin precursor, allowing a liquid thermosetting resin of the liquid thermosetting resin precursor to infiltrate into the pores of the preform, and exposing the upper end of the preform out of the liquid surface of the liquid thermosetting resin precursor to discharge gas out of the pores of the preform; 4) collecting the preform from the liquid thermosetting resin precursor and curing the preform; and 5) polishing the preform obtained in 4) to yield a composite product.