KR100353034B1 - 용강주조용 롱스토파 및 그 제조방법 - Google Patents
용강주조용 롱스토파 및 그 제조방법 Download PDFInfo
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- KR100353034B1 KR100353034B1 KR1020000031047A KR20000031047A KR100353034B1 KR 100353034 B1 KR100353034 B1 KR 100353034B1 KR 1020000031047 A KR1020000031047 A KR 1020000031047A KR 20000031047 A KR20000031047 A KR 20000031047A KR 100353034 B1 KR100353034 B1 KR 100353034B1
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- Prior art keywords
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- stopper
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- continuous casting
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- Compositions Of Oxide Ceramics (AREA)
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Abstract
Description
종래 | 비교예 | 본 발 명 (실 시 예) | |||||||
1 | 2 | 1 | 2 | 3 | 4 | 5 | |||
화학성분(%) | 알루미나 | 50 | 50 | 50 | 50 | 50 | 30 | 45 | 45 |
지르코니아 | 10 | 10 | - | - | - | - | - | - | |
실리카 | 10 | 10 | 10 | 10 | 10 | 5 | 5 | 10 | |
금속시리콘 | - | - | 5 | 5 | 2 | 30 | 5 | 5 | |
흑연 | 30 | 30 | 30 | 30 | 30 | 10 | 40 | 30 | |
펠드스타 | - | - | - | - | 3 | 20 | - | - | |
벤토나이트 | - | - | 3 | 3 | 3 | 3 | 3 | 5 | |
보론카바이드 | - | - | 2 | 2 | 2 | 2 | 2 | 5 | |
소성 | 온도(℃) | 1000 | 1200- 1500 | 1000 | 1200-1500 | 1200-1500 | 1200-1500 | 1200-1500 | 1200- 1500 |
시간(h) | 1-10 | 1-10 | 1-10 | 1-10 | 1-10 | 1-10 | 1-10 | 1-10 | |
물성 | 부피비중 | 2.45 | 2.44 | 2.15 | 2.20 | 2.21 | 2.24 | 2.16 | 2.19 |
기공율(%) | 17.0 | 20.0 | 22.0 | 20.5 | 18.5 | 16.0 | 21.5 | 20.8 | |
압축강도(kg/cm2) | 300 | 340 | 260 | 450 | 410 | 580 | 420 | 470 | |
곡강도(kg/cm2) | 80 | 90 | 70 | 170 | 140 | 210 | 150 | 180 | |
산화율(%) | 9.3 | 11.5 | 7.8 | 4.0 | 2.8 | 2.0 | 5.7 | 3.5 |
종래 | 비교예 | 본 발 명(실시예) | ||||||
1 | 2 | 1 | 2 | 3 | 4 | 5 | ||
결정상 | - | M | - | MBSSION | MBSSION | MBSSION | MBSSION | MBSSION |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000031047A KR100353034B1 (ko) | 2000-06-07 | 2000-06-07 | 용강주조용 롱스토파 및 그 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000031047A KR100353034B1 (ko) | 2000-06-07 | 2000-06-07 | 용강주조용 롱스토파 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010110535A KR20010110535A (ko) | 2001-12-13 |
KR100353034B1 true KR100353034B1 (ko) | 2002-09-16 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020000031047A KR100353034B1 (ko) | 2000-06-07 | 2000-06-07 | 용강주조용 롱스토파 및 그 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100353034B1 (ko) |
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- 2000-06-07 KR KR1020000031047A patent/KR100353034B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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KR20010110535A (ko) | 2001-12-13 |
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