Abstract:
본 발명은 분말 형태의 폐유리를 준비하는 제 1 단계; 상기 분말 형태의 폐유리를 결합제와 혼합하여 과립 형태의 성형체를 형성하는 제 2 단계; 및 상기 과립 형태의 성형체를 소성하여 발포시키는 제 3 단계;를 포함하는, 과립형 발포유리 형성 방법을 제공한다.
Abstract:
본발명은산화텅스텐미립자의제조방법및 이를이용하여제조되는산화텅스텐미립자에관한것으로서, 본발명에따른산화텅스텐미립자의제조방법은화학침전법을이용하여산화텅스텐의전구체인암모늄파라텅스테이트(APT, (NH)·(HW0)·4HO)로부터순도가높고입도가작으며균일한산화텅스텐미립자를제조할수 있으므로, 산화텅스텐이사용되는다양한분야에서유용하게사용될수 있다.
Abstract:
Provided is a method of fabricating a nanostructure of titanium dioxide to enable cost-efficient and safe mass-production through a simple process. The method of fabricating a nanostructure of titanium dioxide comprises: a step of providing an aqueous solution containing titanium dioxide and potassium hydroxide; a step of forming titanium dioxide nanoparticles by irradiating the aqueous solution with microwaves. [Reference numerals] (S100) Provide an aqueous solution containing titanium dioxide and potassium hydroxide; (S200) Form titanium dioxide nanoparticles by irradiating the aqueous solution with microwaves
Abstract:
A method for manufacturing a porosity cordierite/zirconia ceramic honeycomb is provided to contain zirconia in order to promote a mechanical property and to have an excellent porous characteristic and an excellent mechanical property by adding graphite as a pore-forming agent. A method for manufacturing a porosity cordierite/zirconia ceramic honeycomb comprises steps of: obtaining a mixture by mixing quantitively zirconia powder for promoting a mechanical property in the cordierite powder, graphite powder which is a pore-forming agent and an additive for molding aid(S100); kneading the mixture(S110); manufacturing the honeycomb form by extrusion-molding the mixture (S120); and completing the ceramic honeycomb by plasticizing and drying the honeycomb form(S130).
Abstract:
An aspect of the present invention provides a method to manufacture foam glass using waste glass comprising the steps of: manufacturing a molded body by pressurizing waste glass powder composed of sodium silicate or boroaluminosilicate in a forming mold without adding a foaming agent; and sintering and foaming the molded body at temperatures of 600-1000°C, wherein a method to manufacture the waste glass powder comprises the step of pulverizing waste glass composed of sodium silicate or boroaluminosilicate by a wet pulverization process.