Abstract:
PURPOSE: A carbon material interface reinforcing method based on nano-silicon carbide coating is provided to reinforce the interface of carbon materials by coating the carbon materials with nano-silicon carbide. CONSTITUTION: A silicon-carbon material mixture is prepared by mixing silicon nano-particles and carbon materials. High frequency induction thermal treatment is applied to the silicon-carbon material mixture. The carbon materials are selected from a group including graphite, graphite fiber, carbon fiber, carbon nano-fiber, and carbon nano-tubes. The silicon nano-particles are prepared based on a ball milling unit. The high frequency is in a range between 100Hz and 400 kHz.
Abstract:
판형 탄소 나노입자의 제조방법이 개시된다. 판형 탄소 나노입자를 제조하기 위하여, 우선 제1 방향으로 회전 가능한 디스크에 제2 방향으로 회전 가능하게 결합된 볼밀 용기에 흑연재료 및 볼밀볼을 투입할 수 있다. 이어서, 상기 볼밀볼이 상기 볼밀 용기의 벽면과 마찰하여 상기 볼밀볼 자체가 회전하여 상기 흑연재료에 기계적 전단력을 인가하도록 상기 디스크 및 상기 볼밀 용기를 소정 시간동안 회전시킬 수 있다. 그 후, 흑연 재료로부터 제조된 판형 탄소 나노입자를 분리할 수 있다. 이러한 판형 탄소 나노입자의 제조방법에 따르면, 비교적 간단한 공정을 통해 단시간에 대량적으로 판형 탄소 나노입자를 제조할 수 있다.
Abstract:
PURPOSE: A production method of a board-shaped carbon nanoparticle is provided to rapidly mass-produce the board-shaped carbon nanoparticle in short time using a relatively simple process. CONSTITUTION: A production method of a board-shaped carbon nanoparticle comprises: a step of inserting a ball mill ball and a graphite material into a ball mill container which is rotatably combined to a rotatable disk to the second direction (S110); a step of rotating the ball mill ball by the friction with the wall surface the ball mill container, and applying mechanical shear force to the graphite material by rotating the disk and the ball mill container (S120); and a step of separating a carbon nanoparticle from the graphite material (S130). The graphite material contains at least one selected from a group consisting of a plate form artificial graphite material, a powder form artificial graphite material, a lump form artificial graphite material, a plate form natural graphite material, a powder form natural graphite material, and a lump form natural graphite material. [Reference numerals] (AA) Start; (BB) End; (S110) Inserting a ball mill ball and a graphite material into a ball mill container; (S120) Rotating the ball mill ball with a disk to permit mechanical shearing force; (S130) Separating a carbon nano plate
Abstract:
PURPOSE: A plane heater and a manufacturing method thereof are provided to increase heating effects by generating heat on the whole surfaces. CONSTITUTION: A carbon material is processed with an ultrasonic wave under acid solution. A functional group is attached to the carbon material. The functional material is dispersed. The dispersed carbon material is mixed with a polymeric compound. The carbon material is grinded.
Abstract:
본 발명은 나노 실리콘카바이드 코팅을 이용하여 탄소재료의 계면강화하는 방법에 관한 것이다. 본 발명의 방법에 따라 제조된 탄소재료-알루미늄 복합체는 무게가 가볍고, 역학적 강도가 우수하여 현재 사용되는 자동차 부품 및 알루미늄 휠에 적용가능하며, 고강도가 요구되는 항공기, 우주선, 선박 등의 소재로서도 활용될 수 있다.
Abstract:
Disclosed is a method for manufacturing a composite material of aluminum-carbon nanotube. Carbon nanotube is mechanically de-clustered onto the surface of aluminum powder, and a ball-milling process is performed to manufacture aluminum-carbon nanotube. After sintering the aluminum-carbon nanotube, extrusion molding is performed. Thereby, the composite material of aluminum-carbon nanotube having excellent ductility and strength can be manufactured.
Abstract:
알루미늄-탄소 복합재료의 제조방법이 개시된다. 알루미늄-탄소 복합재료를 제조하기 위하여, 우선 알루미늄 분말들에 탄소재료를 결합시켜 알루미늄-탄소 혼합 분말을 제조한다. 이어서, 알루미늄-탄소 혼합 분말들에 기계적 전단력을 인가하여 변형 알루미늄-탄소 혼합 분말들을 제조한다. 그 후, 변형 알루미늄-탄소 혼합분말들을 소결성형한다. 이러한 알루미늄-탄소 복합재료의 제조방법에 따르면, 무게가 가볍고 기계적 특성이 우수한 알루미늄-탄소 복합재료를 비교적 간단한 공정을 통해 제조할 수 있다.
Abstract:
PURPOSE: A production method of an aluminum-carbon composite material is provided to produce the aluminum-carbon composite material having a laminated structure of aluminum and a carbon composite, in which carbon materials are uniformly dispersed through applying mechanical shear force to aluminum-carbon compound powder. CONSTITUTION: A production method of an aluminum-carbon composite material comprises the following steps: combining carbon materials to aluminum powder to obtain aluminum-carbon compound powder (S110); producing deformed aluminum-carbon compound powder by applying mechanical shear force to the aluminum-carbon compound powder (S120); and sintering the deformed aluminum-carbon compound powder. The production process of the aluminum-carbon compound powder comprises the following steps: mixing the carbon materials with a solvent, and processing the mixture with ultrasonic waves; and adding the aluminum powder to the mixture, and processing the mixture with the ultrasonic waves. [Reference numerals] (AA) Start; (BB) End; (S110) Produce aluminum-carbon compound powder; (S120) Producing deformed aluminum-carbon compound powder by applying mechanical shear force; (S130) Produce aluminum-carbon compound by molding and sintering