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RU2016121005A - Лист из текстурированной электротехнической стали с превосходными магнитными свойствами и адгезией покрытия - Google Patents

Лист из текстурированной электротехнической стали с превосходными магнитными свойствами и адгезией покрытия Download PDF

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RU2016121005A
RU2016121005A RU2016121005A RU2016121005A RU2016121005A RU 2016121005 A RU2016121005 A RU 2016121005A RU 2016121005 A RU2016121005 A RU 2016121005A RU 2016121005 A RU2016121005 A RU 2016121005A RU 2016121005 A RU2016121005 A RU 2016121005A
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sheet
steel sheet
coating layer
electrical steel
textured electrical
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RU2639178C2 (ru
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Такаси ТЭРАСИМА
Макото ВАТАНАБЕ
Масанори УЭСАКА
Рюйти СУЭХИРО
Тосито ТАКАМИЯ
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    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/14766—Fe-Si based alloys
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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Claims (8)

1. Лист из текстурированной электротехнической стали с изоляционным покрытием, создающим натяжение на поверхности листа, состоящим из слоя покрытия А, сформированного на поверхности стального листа и состоящего в основном из оксида, и слоя покрытия В, сформированного на верхней поверхности и в основном состоящего из стекла, характеризующийся тем, что отношение R(σB/σA) натяжения σB слоя покрытия В на верхней поверхности, создаваемого на стальном листе, к натяжению σA слоя покрытия А на поверхности стального листа, создаваемому на стальном листе, находится в диапазоне 1,20-4,0.
2. Лист из текстурированной электротехнической стали по п. 1, в котором оксид слоя покрытия А на поверхности стального листа является форстеритом, и стекло слоя покрытия В на верхней поверхности является стеклом на основе кременефосфата, содержащим один или более металлических элементов, выбранных из Mg, Al, Са, Ti, Nd, Mo, Cr, В, Та, Cu и Mn.
3. Лист из текстурированной электротехнической стали по п. 1 или 2, в котором натяжение σA слоя покрытия А на поверхности стального листа, создаваемое на стальном листе, составляет не более 6 МПа.
4. Лист из текстурированной электротехнической стали по п. 1 или 2, характеризующийся тем, что масса покрытия слоя покрытия А на поверхности стального листа составляет 1,0-3,0 г/м2 (с обеих сторон) в пересчете на кислород.
5. Лист из текстурированной электротехнической стали по п. 3, характеризующийся тем, что масса покрытия слоя покрытия А на поверхности стального листа составляет 1,0-3,0 г/м2 (с обеих сторон) в пересчете на кислород.
6. Лист из текстурированной электротехнической стали по любому из пп. 1, 2 или 5, который получен выполнением отжига вторичной рекристаллизации холоднокатаного листа прокатанного до конечной толщины после отжига первичной рекристаллизации нагревом со скоростью нагрева не менее 50°C/с от 100°C до 700°C.
7. Лист из текстурированной электротехнической стали по п. 3, который получен выполнением отжига вторичной рекристаллизации холоднокатаного листа прокатанного до конечной толщины после отжига первичной рекристаллизации нагревом со скоростью нагрева не менее 50°C/с от 100°C до 700°C.
8. Лист из текстурированной электротехнической стали по п. 4, который получен выполнением отжига вторичной рекристаллизации холоднокатаного листа прокатанного до конечной толщины после отжига первичной рекристаллизации нагревом со скоростью нагрева не менее 50°C/с от 100°C до 700°C.
RU2016121005A 2013-10-30 2014-10-23 Лист из текстурированной электротехнической стали с превосходными магнитными свойствами и адгезией покрытия RU2639178C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-225122 2013-10-30
JP2013225122A JP6156646B2 (ja) 2013-10-30 2013-10-30 磁気特性および被膜密着性に優れる方向性電磁鋼板
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