RU2013144256A - METHOD FOR THERMOMECHANICAL PROCESSING OF ECONOMICALLY ALLOYED STEELS - Google Patents
METHOD FOR THERMOMECHANICAL PROCESSING OF ECONOMICALLY ALLOYED STEELS Download PDFInfo
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- RU2013144256A RU2013144256A RU2013144256/02A RU2013144256A RU2013144256A RU 2013144256 A RU2013144256 A RU 2013144256A RU 2013144256/02 A RU2013144256/02 A RU 2013144256/02A RU 2013144256 A RU2013144256 A RU 2013144256A RU 2013144256 A RU2013144256 A RU 2013144256A
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Abstract
Способ термомеханической обработки экономнолегированных сталей, включающий пластическую деформацию заготовки, ее нагрева до субкритических температур (Ac-5-15°C) охлаждения и отпуска, отличающийся тем, что проводят холодную пластическую деформацию со степенью обжатия 10-30%, нагрев осуществляют до субкритических температур со скоростью 5-20 град/мин, выдерживают при этих температурах от 1,5 до 3 ч, проводят нагрев под закалку до температур Ac+30-40°C, где Ac- температура полной фазовой перекристаллизации (критическая точка), закаливают в масло и осуществляют отпуск при температуре 500-550°C.Method for thermomechanical processing of economically alloyed steels, including plastic deformation of a workpiece, its heating to subcritical temperatures (Ac-5-15 ° C) cooling and tempering, characterized in that cold plastic deformation is carried out with a reduction ratio of 10-30%, heating is carried out to subcritical temperatures at a speed of 5-20 deg / min, can withstand at these temperatures from 1.5 to 3 hours, conduct quenching to temperatures Ac + 30-40 ° C, where Ac is the temperature of complete phase recrystallization (critical point), quenched in oil and more leave at a temperature of 500-550 ° C.
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RU2013144256/02A RU2548339C1 (en) | 2013-10-02 | 2013-10-02 | Thermomechanical processing of lightly-alloyed steels |
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RU2013144256/02A RU2548339C1 (en) | 2013-10-02 | 2013-10-02 | Thermomechanical processing of lightly-alloyed steels |
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RU2013144256A true RU2013144256A (en) | 2015-04-10 |
RU2548339C1 RU2548339C1 (en) | 2015-04-20 |
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SU1423607A1 (en) * | 1986-07-09 | 1988-09-15 | Б.Г.Сазонов и Ю.Б.Сазонов | Method of heat treatment of alloyed structural steels |
RU2238334C1 (en) * | 2003-04-16 | 2004-10-20 | Общество с ограниченной ответственностью "НОРМА-ИМПОРТ ИНСО" | Method for producing from continuously cast rolled bar with spheroidized structure of boron steel for cold bulk pressing of high-strength fastening parts |
KR101136142B1 (en) * | 2004-09-15 | 2012-04-17 | 신닛뽄세이테쯔 카부시키카이샤 | Process for producing high-strength part |
RU2325450C1 (en) * | 2006-08-17 | 2008-05-27 | Общество с ограниченной ответственностью Научно-производственное предприятие "Велес" | Method of manufacture of rod parts with heads of corrosion-resistant nitrogen-containing sparingly alloyed steels |
RU2482197C1 (en) * | 2012-03-07 | 2013-05-20 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Белгородский государственный национальный исследовательский университет" | Method for deformation-thermal processing of austenitic stainless steels |
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Effective date: 20181003 |