RU2015105332A - Способ изготовления листа текстурированной электротехнической стали - Google Patents

Способ изготовления листа текстурированной электротехнической стали Download PDF

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RU2015105332A
RU2015105332A RU2015105332A RU2015105332A RU2015105332A RU 2015105332 A RU2015105332 A RU 2015105332A RU 2015105332 A RU2015105332 A RU 2015105332A RU 2015105332 A RU2015105332 A RU 2015105332A RU 2015105332 A RU2015105332 A RU 2015105332A
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annealing
elements selected
heating rate
temperature
primary recrystallization
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Юкихиро СИНГАКИ
Такэси ИМАМУРА
Рюйти СУЭХИРО
Макото ВАТАНАБЭ
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Abstract

1. Способ изготовления листа текстурированной электротехнической стали, включающий горячую прокатку стального сляба, содержащего, мас.%: C 0,001- 0,10, Si 1,0 - 5,0, Mn 0,01- 0,5 , один или оба элемента, выбранных из S и Se 0,01- 0,05 в сумме, раств. Al 0,003- 0,050 и N 0,0010 - 0,020, Fe и неизбежные примеси - остальное, однократную, или двукратную, или многократную холодную прокатку, при необходимости с промежуточным отжигом между ними для получения холоднокатаного листа окончательной толщины, первичный рекристаллизационный отжиг холоднокатаного листа, нанесение сепаратора отжига и окончательный отжиг, отличающийся тем, что при нагреве до температуры первичного рекристаллизационного отжига в диапазоне температур от 550°C до 700°C проводят быстрый нагрев при средней скорости нагрева 40-200°C/с, при этом в какой-либо зоне температур от 250°C до 550°C скорость нагрева составляет не более 10°C/с в течение 1-10 секунд.2. Способ по п. 1, в котором стальной сляб дополнительно содержит один или несколько элементов, выбранных из, мас.%: Cu 0,01- 0,2, Ni 0,01- 0,5, Cr 0,01- 0,5, Sb 0,01- 0,1, Sn 0,01- 0,5, Mo 0,01- 0,5, Bi 0,001- 0,1, Ti 0,005-0,02, P 0,001- 0,05 и Nb 0,0005- 0,0100.

Claims (2)

1. Способ изготовления листа текстурированной электротехнической стали, включающий горячую прокатку стального сляба, содержащего, мас.%: C 0,001- 0,10, Si 1,0 - 5,0, Mn 0,01- 0,5 , один или оба элемента, выбранных из S и Se 0,01- 0,05 в сумме, раств. Al 0,003- 0,050 и N 0,0010 - 0,020, Fe и неизбежные примеси - остальное, однократную, или двукратную, или многократную холодную прокатку, при необходимости с промежуточным отжигом между ними для получения холоднокатаного листа окончательной толщины, первичный рекристаллизационный отжиг холоднокатаного листа, нанесение сепаратора отжига и окончательный отжиг, отличающийся тем, что при нагреве до температуры первичного рекристаллизационного отжига в диапазоне температур от 550°C до 700°C проводят быстрый нагрев при средней скорости нагрева 40-200°C/с, при этом в какой-либо зоне температур от 250°C до 550°C скорость нагрева составляет не более 10°C/с в течение 1-10 секунд.
2. Способ по п. 1, в котором стальной сляб дополнительно содержит один или несколько элементов, выбранных из, мас.%: Cu 0,01- 0,2, Ni 0,01- 0,5, Cr 0,01- 0,5, Sb 0,01- 0,1, Sn 0,01- 0,5, Mo 0,01- 0,5, Bi 0,001- 0,1, Ti 0,005-0,02, P 0,001- 0,05 и Nb 0,0005- 0,0100.
RU2015105332/02A 2012-07-26 2013-07-25 Способ изготовления листа текстурированной электротехнической стали RU2597464C2 (ru)

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PCT/JP2013/070187 WO2014017591A1 (ja) 2012-07-26 2013-07-25 方向性電磁鋼板の製造方法

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JP5672273B2 (ja) 2012-07-26 2015-02-18 Jfeスチール株式会社 方向性電磁鋼板の製造方法
US9748029B2 (en) 2012-07-26 2017-08-29 Ginza Maronie P.C. Method of producing grain-oriented electrical steel sheet
JP5716870B2 (ja) 2012-07-26 2015-05-13 Jfeスチール株式会社 方向性電磁鋼板の製造方法
JP6041110B2 (ja) * 2014-03-17 2016-12-07 Jfeスチール株式会社 鉄損特性に優れる方向性電磁鋼板の製造方法
JP6256693B2 (ja) * 2014-03-20 2018-01-10 Jfeスチール株式会社 方向性電磁鋼板とその製造方法
KR102044321B1 (ko) * 2017-12-26 2019-11-13 주식회사 포스코 방향성 전기강판 및 그의 제조방법
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RU2755918C1 (ru) * 2018-03-20 2021-09-22 Ниппон Стил Корпорейшн Способ производства электротехнического стального листа с ориентированной зеренной структурой и электротехнический стальной лист с ориентированной зеренной структурой
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EP2878689A4 (en) 2016-03-02
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