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본문에 기술한 바와 같이 SiO2가 주성분으로 되고 극소량의 란탄(lanthanum)과 이트륨(Yttrium)이 포함된 현무암을 분말화하여 중량비로 이분말 100%에 알루미나(Al2O3; 5-10%, 붕산 : 2-4%, 소다 ; 2-4%, 초석 ; 2-5%, 아연화 : 0.3%, 질산가리 : 0.8%, 와 혼합 1300-1400℃에서 24시간 용융시켜 주조 성형한 후 공냉하고 500-1000℃로 3-5시간 열처리하여 공기중에서 24시간 서냉하여서 얻어지는 공예품 소재의 제조방법.As described in the main text, SiO 2 is the main component and the basalt containing very small amounts of lanthanum and yttrium is powdered to give 100% by weight of alumina (Al 2 O 3 ; 5-10%, Boric acid: 2-4%, soda; 2-4%, salt stone: 2-5%, zincation: 0.3%, nitrate: 0.8%, melted for 24 hours at 1300-1400 ℃ Process for producing craft materials obtained by heat treatment at -1000 ℃ for 3-5 hours and slow cooling in air for 24 hours.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880002456A1988-03-091988-03-09
How to make craft materials
KR890014403A
(en)