KR101113489B1 - 고용체 탄화물 및 탄질화물 분말 제조방법 - Google Patents
고용체 탄화물 및 탄질화물 분말 제조방법 Download PDFInfo
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- KR101113489B1 KR101113489B1 KR1020107016630A KR20107016630A KR101113489B1 KR 101113489 B1 KR101113489 B1 KR 101113489B1 KR 1020107016630 A KR1020107016630 A KR 1020107016630A KR 20107016630 A KR20107016630 A KR 20107016630A KR 101113489 B1 KR101113489 B1 KR 101113489B1
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Abstract
Description
Claims (15)
- Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속의 탄화물, 탄질화물 완전고용체 분말의 제조에 있어서, 상기 완전고용체 분말의 제조를 위한 출발 물질이, 상기 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 포함하는 것을 특징으로 하는 완전 고용체 분말.
- Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속의 탄화물, 탄질화물 완전고용체 분말의 제조에 있어서, 상기 완전고용체 분말의 제조를 위한 출발 물질이, 상기 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 포함하는 것을 특징으로 하는 완전 고용체 분말을 소결시켜 제조된 소결체.
- Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속의 탄화물, 탄질화물 완전고용체 분말을 사용하여 서멧 복합 소결체용 분말을 제조함에 있어서, 상기 완전고용체 분말의 제조를 위한 출발 물질이 상기 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 포함하는 것을 특징으로 하는 완전 고용체 분말과; 니켈, 철 그리고 코발트로 이루어진 군에서 선택되는 적어도 하나 이상의 금속을 포함하는 응집체인 것을 특징으로 하는 서멧용 분말.
- Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속의 탄화물, 탄질화물 완전고용체 분말을 사용하여 서멧 복합 소결체용 분말을 제조함에 있어서, 상기 완전고용체 분말의 제조를 위한 출발 물질이 상기 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 포함하는 것을 특징으로 하는 완전 고용체 분말과; 니켈, 철 그리고 코발트로 이루어진 군에서 선택되는 적어도 하나 이상의 금속을 포함하는 응집체인 것을 특징으로 하는 서멧용 분말을 소결시켜 제조된 서멧.
- ⅰ) Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 혼합하거나 또는 혼합하여 분쇄하는 제1단계; 그리고ⅱ) 상기 혼합되거나 또는 혼합되어 분쇄된 분말을 환원, 탄화하거나 또는 환원, 탄화 그리고 질화시키는 제2단계;를 포함하는 것을 특징으로 하는, 완전고용체 분말 제조 방법.
- 제5항의 방법에 있어서, 상기 제2단계에서 진공 또는 수소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화시켜 완전 고용체 탄화물을 제조하거나, 질소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화 및 질화시켜 완전 고용체 탄질화물을 제조하는 것을 특징으로 하는, 완전 고용체 분말 제조 방법.
- ⅰ) Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 혼합하거나 또는 혼합하여 분쇄하는 제1단계;ⅱ) 상기 혼합되거나 또는 혼합되어 분쇄된 분말을 환원, 탄화하거나 또는 환원, 탄화 그리고 질화시키는 제2단계; 그리고ⅲ) 상기 제2단계에서 얻은 완전 고용체 분말을 성형하고 소결하는 제3단계를 포함하는, 소결체 제조 방법.
- 제7항의 방법에 있어서, 상기 제2단계에서 진공 또는 수소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화시켜 완전 고용체 탄화물을 제조하거나, 질소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화 및 질화시켜 완전 고용체 탄질화물을 제조하는 것을 특징으로 하는, 소결체 제조 방법.
- 제7항의 방법에 있어서, 상기 제3단계가 진공 또는 질소 분위기하에서 1,250℃ 내지 1,600℃의 온도로 0.1시간 내지 3시간 동안 소결하는 것을 특징으로 하는, 소결체 제조 방법.
- ⅰ) 니켈, 코발트 및 철로 이루어진 군에서 선택되는 적어도 하나 이상의 금속의 산화물과 Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속과 그 금속의 산화물 그리고 탄소 분말을 혼합하거나 또는 혼합하여 분쇄하는 제1-2단계;그리고ⅱ) 상기에서 혼합된 또는 혼합하여 분쇄된 분말을 환원, 탄화하거나 또는 환원, 탄화 그리고 질화시키는 제2-2단계;를 포함하는 것을 특징으로 하는, 서멧용 분말 제조 방법.
- 제10항의 방법에 있어서, 상기 제2-2단계에서 진공 또는 수소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화시켜 완전 고용체탄화물을 제조하거나, 질소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화 및 질화시켜 완전 고용체 탄질화물을 제조하는 것을 특징으로 하는, 서멧용 분말 제조 방법.
- ⅰ) 니켈, 코발트 및 철로 이루어진 군에서 선택되는 적어도 하나 이상의 금속의 산화물과 Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속과 그 금속의 산화물 그리고 탄소 분말을 혼합하거나 또는 혼합하여 분쇄하는 제1-2단계;ⅱ) 상기에서 혼합된 또는 혼합하여 분쇄된 분말을 환원, 탄화하거나 또는 환원, 탄화 그리고 질화시키는 제2-2단계; 그리고ⅲ) 상기 제2-2단계에서 얻은 서멧용 분말을 성형하고 소결하는 제2-3단계를 포함하는, 서멧 제조 방법.
- 제12항의 방법에 있어서, 상기 제2-2단계에서 진공 또는 수소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화시켜 완전 고용체탄화물을 제조하거나, 질소 분위기의 1,100℃ 내지 1,400℃ 온도에서 3시간 이내 범위에서 환원, 탄화 및 질화시켜 완전 고용체 탄질화물을 제조하는 것을 특징으로 하는, 서멧 제조 방법.
- 제12항의 방법에 있어서, 상기 제2-3단계가 진공 또는 질소 분위기하에서 1,250℃ 내지 1,600℃의 온도로 0.1시간 내지 3시간 동안 소결하는 것을 특징으로 하는, 서멧 제조 방법.
- ⅰ) Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 그리고 W로 이루어진 군에서 티타늄을 포함하여 선택되는 두 가지 이상의 금속과 그 금속의 산화물과 탄소 분말을 혼합하거나 혼합하여 분쇄하는 단계;ⅱ) 상기에서 혼합된 또는 혼합되어 분쇄된 분말을 환원, 탄화하거나 또는 환원, 탄화 그리고 질화하는 단계를 통하여 완전고용체 분말을 제조하는 단계; 그 리고ⅲ) 상기의 완전 고용체 분말에 니켈, 코발트, 그리고 철로 이루어진 군에서 선택되는 적어도 하나의 금속을 포함시키는 단계를 포함하는,서멧용 분말 제조 방법.
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