公开(公告)号：US5268141A

公开(公告)日：1993-12-07

申请号：US702347

申请日：1991-05-15

申请人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

发明人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

IPC分类号： C04B35/057 ,  C04B35/06 ,  C22B9/00 ,  C22B9/04 ,  C22B9/10 ,  C22C38/00

CPC分类号： C04B35/06 ,  C04B35/057 ,  C22B9/006 ,  C22B9/04 ,  C22B9/10

摘要： An iron base alloy is disclosed which consists essentially of 0.005%-7.0% of aluminum, 0.005-7.0% of silicon, 0.0001%-0.005% of magnesium, 0.0001-0.005% of calcium, 0.001%-0.002% of oxygen, 0.0001-0.002% of sulphur, and 0.0005%-0.003% of nitrogen, less than 2% of carbon, minor amounts of phosphorous and manganese and the remainder iron.

摘要翻译： 公开了一种铁基合金，其基本上由0.005％至7.0％的铝，0.005-7.0％的硅，0.0001％-0.005％的镁，0.0001-0.005％的钙，0.001％-0.002％的氧，0.0001- 0.002％的硫和0.0005％-0.003％的氮，少于2％的碳，少量的磷和锰，剩余的是铁。

公开(公告)号：US4820485A

公开(公告)日：1989-04-11

申请号：US10598

申请日：1987-02-03

申请人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

发明人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

IPC分类号： C04B35/057 ,  C04B35/06 ,  C22B9/00 ,  C22B9/04 ,  C22B9/10 ,  C21C7/02

CPC分类号： C04B35/06 ,  C04B35/057 ,  C22B9/006 ,  C22B9/04 ,  C22B9/10

摘要： A method of producing an alloy containing at least one major ingredient selected from the group consisting of iron (Fe), cobalt (Co), and Nickel (Ni) and having low contents of sulphur, oxygen, and nitrogen, comprises steps of:(a) holding a molten alloy in a container selected from the group consisting of a lime crucible, a lime crucible furnace, a converter and a ladle lined with a basic refractory consisting of 15-85% of calcium oxide (CaO), and 15-75% of magnesium oxide (MgO), wherein said alloy consists essentially of at least one major ingredient selected from the group consisting of iron (Fe), nickel (Ni), and cobalt (Co);(b) adding at least one additive, based on the molten alloy, into said molten alloy in an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, wherein said additive is selected from the group consisting of aluminum (Al), aluminum alloys, silicon and silicon alloys;(c) desulphurizing, deoxidizing and denitrifying said molten alloy under an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, whereby the molten alloy contains 0.005 to 7.0% of residual aluminum, 0.0001 to 0.02% of residual calcium, and 0.0005 to 0.03% of residual magnesium; and(d) casting said molten alloy into a mold.

摘要翻译： 包含选自铁（Fe），钴（Co）和镍（Ni）中的至少一种主要成分并具有低含量的硫，氧和氮的合金的方法包括以下步骤：（ a）将熔融合金保持在选自石灰坩埚，石灰坩埚炉，转炉和用15-85％的氧化钙（CaO）组成的碱性耐火材料的浇包中的容器中， 75％的氧化镁（MgO），其中所述合金基本上由选自铁（Fe），镍（Ni）和钴（Co）的至少一种主要成分组成。 （b）在选自非氧化性气氛和真空的气氛中，将至少一种基于所述熔融合金的添加剂加入到所述熔融合金中，其中所述添加剂选自铝（Al ），铝合金，硅和硅合金; （c）在选自非氧化性气氛和真空的气氛下对所述熔融合金进行脱硫，脱氧，脱氮，由此熔融合金含有0.005〜7.0％的残留铝，0.0001〜0.02％的残余钙， 和0.0005〜0.03％的残余镁; 和（d）将所述熔融合金浇铸到模具中。

公开(公告)号：US4695427A

公开(公告)日：1987-09-22

申请号：US927790

申请日：1986-11-05

申请人： Toru Degawa ,  Kozo Fujiwara ,  Akio Hashimoto ,  Seiju Uchida ,  Gen Okuyama ,  Susumu Matsui

发明人： Toru Degawa ,  Kozo Fujiwara ,  Akio Hashimoto ,  Seiju Uchida ,  Gen Okuyama ,  Susumu Matsui

IPC分类号： B22C1/00 ,  C04B35/057 ,  C22B9/00 ,  C22B9/16 ,  C22B59/00 ,  C22B34/00 ,  C21B7/04

CPC分类号： B22C1/00 ,  C04B35/057 ,  C22B59/00 ,  C22B9/006 ,  C22B9/16

摘要： A lanthanide-containing alloy is produced by retaining the melt of this alloy by the use of a container having the inner surface formed of a calcia-based refractory possessing a CaO content of not less than 90% by weight in a non-oxidizing atmosphere.

摘要翻译： 含有镧系元素的合金是通过在非氧化性气氛中使用具有不少于90重量％的CaO含量的由钙质系耐火材料形成的内表面的容器来保持该合金的熔融物来制造的。

公开(公告)号：US4999053A

公开(公告)日：1991-03-12

申请号：US441600

申请日：1989-11-27

申请人： Tohei Ototani ,  Toru Degawa ,  Kanicki Kusumoto ,  Makoto Ebata

发明人： Tohei Ototani ,  Toru Degawa ,  Kanicki Kusumoto ,  Makoto Ebata

IPC分类号： C04B35/057 ,  C04B35/06 ,  C22B9/00 ,  C22B9/04 ,  C22B9/10

CPC分类号： C04B35/057 ,  C04B35/06 ,  C22B9/006 ,  C22B9/04 ,  C22B9/10

摘要： A method of producing an alloy containing at least one major ingredient selected from the group consisting of iron (Fe), cobalt (Co), and Nickel (Ni) and having low contents of sulphur, oxygen, and nitrogen, comprises steps of:(a) holding a molten alloy in a container selected from the group consisting of a lime crucible, a lime crucible furnace, a converter and a ladle lined with a basic refractory consisting of 15-85% of calcium oxide (CaO), and 15-75% of magnesium oxide (MgO), wherein said alloy consists essentially of at least one major ingredient selected from the group consisting of iron (Fe), nickel (Ni), and cobalt (Co);(b) adding at least one additive, based on the molten alloy, into said molten alloy in an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, wherein said additive is selected from the group consisting of aluminum (Al), aluminum alloys, silicon and silicon alloys;(c) desulphurizing, deoxidizing and denitrifying said molten alloy under an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, whereby the molten alloy contains 0.005 to 7.0% of residual aluminum, 0.0001 to 0.02% of residual calcium, and 0.005 to 0.03% of residual magnesium; and(d) casting said molten alloy into a mold.

摘要翻译： 包含选自铁（Fe），钴（Co）和镍（Ni）中的至少一种主要成分并具有低含量的硫，氧和氮的合金的方法包括以下步骤：（ a）将熔融合金保持在选自石灰坩埚，石灰坩埚炉，转炉和用15-85％的氧化钙（CaO）组成的碱性耐火材料的浇包中的容器中， 75％的氧化镁（MgO），其中所述合金基本上由选自铁（Fe），镍（Ni）和钴（Co）的至少一种主要成分组成。 （b）在选自非氧化性气氛和真空的气氛中，将至少一种基于所述熔融合金的添加剂加入到所述熔融合金中，其中所述添加剂选自铝（Al ），铝合金，硅和硅合金; （c）在选自非氧化性气氛和真空的气氛下对所述熔融合金进行脱硫，脱氧，脱氮，由此熔融合金含有0.005〜7.0％的残留铝，0.0001〜0.02％的残余钙， 和0.005〜0.03％的残余镁; 和（d）将所述熔融合金浇铸到模具中。

公开(公告)号：US4729787A

公开(公告)日：1988-03-08

申请号：US937426

申请日：1986-12-03

申请人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

发明人： Tohei Ototani ,  Toru Degawa ,  Kenichi Kusumoto ,  Makoto Ebata

IPC分类号： C04B35/057 ,  C04B35/06 ,  C22B9/00 ,  C22B9/04 ,  C22B9/10 ,  C21C7/02

CPC分类号： C04B35/06 ,  C04B35/057 ,  C22B9/006 ,  C22B9/04 ,  C22B9/10

摘要： A method of producing an alloy containing at least one major ingredient selected from the group consisting of iron (Fe), cobalt (Co), and Nickel (Ni) and having low contents of sulphur, oxygen, and nitrogen, comprises steps of:(a) holding a molten alloy in a container selected from the group consisting of a lime crucible, a lime crucible furnace, a converter and a ladle lined with a basic refractory consisting of 15-85% of calcium oxide (CaO), and 15-75% of magnesium oxide (MgO), wherein said alloy consists essentially of at least one major ingredient selected from the group consisting of iron (Fe), nickel (Ni), and cobalt (Co);(b) adding at least one additive, based on the molten alloy, into said molten alloy in an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, wherein said additive is selected from the group consisting of aluminum (Al), aluminum alloys, silicon and silicon alloys;(c) desulphurizing, deoxidizing and denitrifying said molten alloy under an atmosphere selected from the group consisting of a non-oxidizing atmosphere and a vacuum, whereby the molten alloy contains 0.005 to 7.0% of residual aluminum, 0.0001 to 0.02% of residual calcium, and 0.0005 to 0.03% of residual magnesium; and(d) casting said molten alloy into a mold.

摘要翻译： 包含选自铁（Fe），钴（Co）和镍（Ni）中的至少一种主要成分并具有低含量的硫，氧和氮的合金的方法包括以下步骤：（ a）将熔融合金保持在选自石灰坩埚，石灰坩埚炉，转炉和用15-85％的氧化钙（CaO）组成的碱性耐火材料的浇包中的容器中， 75％的氧化镁（MgO），其中所述合金基本上由选自铁（Fe），镍（Ni）和钴（Co）的至少一种主要成分组成。 （b）在选自非氧化性气氛和真空的气氛中，将至少一种基于所述熔融合金的添加剂加入到所述熔融合金中，其中所述添加剂选自铝（Al ），铝合金，硅和硅合金; （c）在选自非氧化性气氛和真空的气氛下对所述熔融合金进行脱硫，脱氧，脱氮，由此熔融合金含有0.005〜7.0％的残留铝，0.0001〜0.02％的残余钙， 和0.0005〜0.03％的残余镁; 和（d）将所述熔融合金浇铸到模具中。

公开(公告)号：US4710481A

公开(公告)日：1987-12-01

申请号：US906487

申请日：1986-09-11

申请人： Toru Degawa ,  Gen Okuyama ,  Akio Hashimoto ,  Seiju Uchida ,  Kouzou Fujiwara ,  Makoto Ebata ,  Takashi Satou ,  Tohei Ototani

发明人： Toru Degawa ,  Gen Okuyama ,  Akio Hashimoto ,  Seiju Uchida ,  Kouzou Fujiwara ,  Makoto Ebata ,  Takashi Satou ,  Tohei Ototani

IPC分类号： C22C1/02 ,  C04B35/057 ,  C04B2/02

CPC分类号： C04B35/057 ,  Y10S29/045

摘要： Ti or a high-Ti alloy is melted in a container composed of high-purity CaO materials on its inner sides. The materials are composed of not less than 99% by weight of CaO, not more than 0.1% by weight of SiO.sub.2, not more than 0.02% by weight of Fe.sub.2 O.sub.3, and not more than 0.5% by weight in total of other metal oxides under a non-oxidizing atmosphere.CaO refractories for use in the melting of Ti or a high-Ti alloy contains not less than 99% by weight of CaO, not more than 0.1% by weight of SiO.sub.2, 0.02% by weight of Fe.sub.2 O.sub.3, and not more than 0.5% by weight of other metal oxides.

摘要翻译： Ti或高Ti合金在其内侧在由高纯度CaO材料构成的容器中熔融。 该材料由不低于99重量％的CaO，不超过0.1重量％的SiO 2，不超过0.02重量％的Fe 2 O 3和不超过0.5重量％的其它金属氧化物组成 非氧化气氛。 用于熔融Ti或高Ti合金的CaO耐火材料含有不小于99重量％的CaO，不超过0.1重量％的SiO 2，0.02重量％的Fe 2 O 3，不超过0.5重量％ 其他金属氧化物的重量。