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公开(公告)号：US4102713A
公开(公告)日：1978-07-25
申请号：US696967
申请日：1976-06-17
CPC分类号： C23D5/10 , C21D8/1283 , C22C38/02 , H01F1/14 , H01F1/14783
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1870 (G/O.sub.e) at 10 oersteds. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, no more than 0.008% aluminum and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; decarburizing said steel; applying a refractory oxide coating containing both boron and an oxide less stable than SiO.sub.2 at temperatures up to 2150.degree. F; and final texture annealing said steel.
摘要翻译： 一种在10奥斯特制造具有立方体边缘取向和至少1870（G / Oe）渗透率的电磁硅钢的方法。 该方法包括以下步骤：制备含有0.02至0.06％碳，0.0006至0.0080％硼，至多0.01％氮，不超过0.008％铝和2.5至4.0％硅的硅钢熔体; 铸钢; 热轧钢铁; 冷轧钢; 脱碳钢; 在高达2150°F的温度下施加含有硼和氧化物比SiO 2更不稳定的耐火氧化物涂层; 并对钢材进行最终质感退火。
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公开(公告)号：US4200477A
公开(公告)日：1980-04-29
申请号：US887098
申请日：1978-03-16
CPC分类号： C21D3/04 , C21D8/1283 , C22C38/02 , C23D5/10 , C21D8/1272
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The process includes the steps of: preparing a melt of silicon steel having up to 0.07% carbon, from 0.01 to 0.25% manganese, from 0.01 to 0.09% of material from the group consisting of sulfur and selenium, from 2.5 to 4.0% silicon, up to 1.0% copper, less than 0.009% aluminum and less than 0.0006% boron; casting the steel; hot rolling the steel; cold rolling the steel; normalizing the steel in a hydrogen-bearing atmosphere having a pH.sub.2 O/pH.sub.2 of from 0.015 to 0.3; applying a refractory oxide coating containing an oxide less stable than SiO.sub.2 at temperatures up to 2150.degree. F.; and final texture annealing the steel.
摘要翻译： 一种具有立方体边缘取向的电磁硅钢的制造方法。 该方法包括以下步骤：制备具有高达0.07％的碳，0.01至0.25％的锰，0.01至0.09％的来自硫和硒的材料，2.5至4.0％的硅的硅钢的熔体， 高达1.0％的铜，小于0.009％的铝和小于0.0006％的硼; 铸钢; 热轧钢; 冷轧钢; 在pH20 / pH2为0.015〜0.3的含氢气氛中对钢进行标准化; 在高达2150°F的温度下涂覆含有比SiO 2更不稳定的氧化物的难熔氧化物涂层; 并对钢材进行最终质感退火。
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3.发明授权
公开(公告)号：US4171994A
公开(公告)日：1979-10-23
申请号：US743876
申请日：1976-11-22
CPC分类号： H01F1/14783 , C21D8/1283 , C22C38/02 , C23C24/00
摘要： A process for producing silicon steel having a cube-on-edge orientation and a permeability of at least 1850 (G/O.sub.e) at 10 oersteds, which includes the steps of: preparing a melt of steel consisting essentially of, by weight, up to 0.07% carbon, from 2.6 to 4.0% silicon, from 0.03 to 0.24% manganese, from 0.01 to 0.09% of material from the group consisting of sulfur and selenium, at least one element from the group consisting of aluminum in an amount of from 0.015 to 0.04% and boron in an amount of up to 0.0035%, up to 0.02% nitrogen, up to 0.5% copper, balance iron; casting the steel, hot rolling the steel, cold rolling the steel, decarburizing the steel, coating the steel with a base coating containing a nitrogen-bearing compound from the group consisting of (NH.sub.4).sub.2 SO.sub.4, Fe(NO.sub.3).sub.3, Al(NO.sub.3).sub.3, Mg(NO.sub.3).sub.2 and Zn(NO.sub.3).sub.2, and final texture annealing the steel.
摘要翻译： 一种用于生产具有立方体边缘取向和10奥斯特的至少1850（G / Oe）渗透率的硅钢的方法，其包括以下步骤：制备基本上由重量计至多 0.07％的碳，2.6〜4.0％的硅，0.03〜0.24％的锰，0.01〜0.09％的来自硫和硒的材料，至少一种元素来自铝，其量为0.015 至0.04％，硼量最多达0.0035％，氮含量高达0.02％，铜高达0.5％，余量为铁; 铸造钢，热轧钢，冷轧钢，对钢进行脱碳，用含有（NH 4）2 SO 4，Fe（NO 3）3，Al（NO 3）的含氮化合物的底涂层涂覆钢 ）3，Mg（NO 3）2和Zn（NO 3）2，并对钢进行最终的质感退火。
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公开(公告)号：US4367100A
公开(公告)日：1983-01-04
申请号：US85094
申请日：1979-10-15
CPC分类号： C23D5/10 , C21D1/70 , C21D8/1283
摘要： A process for producing grain oriented electromagnetic silicon steel. The process includes the steps of: preparing a melt of silicon steel having, by weight, from 2.5 to 4.0% silicon; casting the steel; hot rolling the steel; cold rolling the steel; decarburizing the steel; applying a substantially non-reactive aluminum hydroxide coating to the steel; and final texture annealing the steel. The annealed steel being characterized by a substantially uniform metallic surface.
摘要翻译： 一种生产晶粒取向电磁硅钢的方法。 该方法包括以下步骤：制备重量比为2.5-4.0％硅的硅钢熔体; 铸钢; 热轧钢; 冷轧钢; 钢脱碳; 将基本上不反应的氢氧化铝涂层施加到钢上; 并对钢材进行最终质感退火。 退火钢的特征在于基本均匀的金属表面。
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公开(公告)号：US4160681A
公开(公告)日：1979-07-10
申请号：US864363
申请日：1977-12-27
CPC分类号： C23D5/10 , C21D8/1283
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation. The steel has a permeability of at least 1870 (G/O.sub.e) at 10 oersteds and a core loss of no more than 0.720 watts per pound at 17 kilogauss - 60 Hz. The process includes the steps of: preparing a melt of silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, no more than 0.008% aluminum and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; decarburizing said steel; applying a refractory oxide coating containing both boron and manganese sulfate; and final texture annealing said steel.
摘要翻译： 一种具有立方体边缘取向的电磁硅钢的制造方法。 钢在10奥斯特时具有至少1870（G / Oe）的渗透率，17kilogauss-60Hz的铁损不超过0.720瓦/磅。 该方法包括以下步骤：制备含有0.02至0.06％碳，0.0006至0.0080％硼，至多0.01％氮，不超过0.008％铝和2.5至4.0％硅的硅钢熔体; 铸钢; 热轧钢铁; 冷轧钢; 脱碳钢; 涂覆含有硫酸锰和硫酸锰的难熔氧化物涂层; 并对钢材进行最终质感退火。
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公开(公告)号：US4179315A
公开(公告)日：1979-12-18
申请号：US868956
申请日：1978-01-12
CPC分类号： C22C38/02 , C21D8/1283 , C23D5/10 , H01F1/14775 , C21D8/1261
摘要： A process for producing electromagnetic silicon steel having a cube-on-edge orientation and a permeability of at least 1870 (G/O.sub.e) at 10 oersteds. The process includes the steps of: preparing a melt of a silicon steel containing from 0.02 to 0.06% carbon, from 0.0006 to 0.0080% boron, up to 0.0100% nitrogen, no more than 0.008% aluminum and from 2.5 to 4.0% silicon; casting said steel; hot rolling said steel; cold rolling said steel; decarburizing said steel; applying a refractory oxide coating containing both boron and SiO.sub.2 ; and final texture annealing said steel.
摘要翻译： 一种在10奥斯特制造具有立方体边缘取向和至少1870（G / Oe）渗透率的电磁硅钢的方法。 该方法包括以下步骤：制备含有0.02至0.06％碳，0.0006至0.0080％硼，至多0.01％氮，不超过0.008％铝和2.5至4.0％硅的硅钢熔体; 铸钢; 热轧钢铁; 冷轧钢; 脱碳钢; 涂覆含有硼和SiO2的难熔氧化物涂层; 并对钢材进行最终质感退火。
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