▎ 摘　　要

NOVELTY - Ceramic material comprises 5.2-35 wt.% high molecular polymer, 1.1-6.5 wt.% graphene fiber, 1.1-6.5 wt.% nylon fiber, 2-15 wt.% alloy powder, 0.1-3.8 wt.% curing agent, 0.2-0.8 wt.% antioxidant, 10-25 wt.% boron nitride nanosheets, 0.05-0.2 wt.% adhesive, 1.1-6.5 wt.% bentonite, and ceramic powder (remaining amount). USE - The ceramic material is useful for 3D printing (claimed). ADVANTAGE - The method: utilizes easily available raw materials; is economical, environmentally friendly, simple and easy; has high processing efficiency, low running energy consumption, excellent thermoplastic forming ability and mechanical structural strength, flexibility of the structure, excellent anti-abrasion property and self-lubricating property; and improves quality and use performance of the work piece. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the ceramic material comprising (i) preprocessing the raw materials, macromolecule polymer, calcium carbonate powder, boron nitride nano sheet, adding macromolecule polymer ceramic powder, calcium carbonate powder, boron nitride nano ceramic powder to the total 1.5-3 times deionized water, speed-stirring under at 25-50 degrees C for 10-15 minutes at 80-300 revolutions/minutes (rpm), drying the mixed high molecular polymer, calcium carbonate powder, boron nitride nano ceramic powder till water content of the mixture is less than 3%, crushing the mixture to obtain mixture powder more than 300 meshes, (ii) mixing the graphene fiber, nylon fiber, alloy powder, curing agent, antioxidant, binder, bentonite and powdered mixture prepared by the step (i) are synchronously adding to the stirring device at 20-60 degrees C, stirring uniformly, and keeping the temperature and allowing to stand for 10-20 minutes, (iii) adding the mixed material to a kneading machine, kneading for 10-120 minutes, adding the material into the screw extruder to carry out extruding work at 0-5 degrees C, where the wind speed is 3-10 m/second of the low temperature air for cooling the material after extrusion, and extruding the material by crushing and granulating machine crushing to diameter of 0.1-3 particle material, the highest temperature of screw extruder operation of not more than 80 degrees C, where the extruding speed of the screw is 10-50 rpm, (iv) adding the granular material obtained in the step (ii) to the extrusion operation in the screw extruder, molding the extruded molten material through a molding die, cooling and shaping by low temperature air at 0- 5 degrees C and a wind speed of 3-10 m/second, and pulverizing into pellets having a diameter of 0.1-3 mm, where the screw the maximum temperature of the extruder extrusion operation does not exceed 200 degrees C, the extrusion screw speed is 50-130 rpm, and (v) sintering forming, and heating the granular material obtained in the step (iv) is in a constant temperature environment of 500-1200 degrees C for 30-120 minutes, naturally cooling to room temperature, and pulverizing the material of the cooling protection material is to obtain a powder of 50-300 meshes.