RU2016117287A - METHOD FOR DEFORMATION AND THERMAL TREATMENT OF HIGH Manganese Steel - Google Patents

METHOD FOR DEFORMATION AND THERMAL TREATMENT OF HIGH Manganese Steel Download PDF

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Publication number
RU2016117287A
RU2016117287A RU2016117287A RU2016117287A RU2016117287A RU 2016117287 A RU2016117287 A RU 2016117287A RU 2016117287 A RU2016117287 A RU 2016117287A RU 2016117287 A RU2016117287 A RU 2016117287A RU 2016117287 A RU2016117287 A RU 2016117287A
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Russia
Prior art keywords
deformation
temperature
followed
carried out
homogenization annealing
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RU2016117287A
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Russian (ru)
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RU2643119C2 (en
Inventor
Рустам Оскарович Кайбышев
Андрей Николаевич Беляков
Павел Сергеевич Кусакин
Original Assignee
Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ")
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Priority to RU2016117287A priority Critical patent/RU2643119C2/en
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

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  • Heat Treatment Of Steel (AREA)

Claims (6)

1. Способ деформационно-термической обработки высокомарганцевой стали, содержащей марганец, алюминий, углерод, включающий предварительную деформационно-термическую обработку: отливку, горячую прокатку и гомогенизационный отжиг, отличающийся тем, что гомогенизационный отжиг слитков высокомарганцевой аустенитной стали с эффектом пластичности, наведенной двойникованием, выполняют в печи при температуре 1150°С в течение 4-х часов, затем выполняют горячую ковку при температуре 1150°С в три ступени: 140 мм → 100 мм, 100 мм → 70 мм, 70 мм → 50 мм до суммарной истинной степени деформации ε=1 с последующим гомогенизационным отжигом в печи при температуре 1150°С в течение 4-х часов, после чего заготовку подвергают горячей прокатке в интервале температур от 500°С до 1150°С в 5 проходов с суммарной истинной степенью деформации ε не менее 1,5 с последующим гомогенизационным отжигом в течение 1 часа при температуре 1150°С, после чего заготовку подвергают двусторонней ковке в условиях теплой деформации при температуре 400-600°С до истинной степени деформации ε=3.1. The method of deformation-heat treatment of high manganese steel containing manganese, aluminum, carbon, including preliminary deformation-heat treatment: casting, hot rolling and homogenization annealing, characterized in that the homogenization annealing of the ingots of high manganese austenitic steel with the effect of plasticity induced by twinning is performed in a furnace at a temperature of 1150 ° C for 4 hours, then hot forging is performed at a temperature of 1150 ° C in three steps: 140 mm → 100 mm, 100 mm → 70 mm, 70 mm → 50 mm to the sum true true degree of deformation ε = 1 followed by homogenization annealing in the furnace at a temperature of 1150 ° C for 4 hours, after which the billet is subjected to hot rolling in the temperature range from 500 ° C to 1150 ° C in 5 passes with a total true degree of deformation ε of at least 1.5, followed by homogenization annealing for 1 hour at a temperature of 1150 ° C, after which the billet is subjected to double-sided forging under conditions of warm deformation at a temperature of 400-600 ° C to a true degree of deformation of ε = 3. 2. Способ по п. 1, отличающийся тем, что горячая прокатка проводится без промежуточного нагревания стальных заготовок.2. The method according to p. 1, characterized in that the hot rolling is carried out without intermediate heating of steel billets. 3. Способ по п. 1, отличающийся тем, что заготовку на короткое время охлаждают до температур 400–600°С, после чего отжигают в течение 1-4 часов при температуре 1000–1200°С с последующим охлаждением на воздухе.3. The method according to claim 1, characterized in that the preform is cooled for a short time to temperatures of 400-600 ° C, and then annealed for 1-4 hours at a temperature of 1000-1200 ° C, followed by cooling in air. 4. Способ по п. 1, отличающийся тем, что двустороннюю ковку проводят в интервале температур от 400°С до 600°С с последующей закалкой в воду.4. The method according to p. 1, characterized in that the bilateral forging is carried out in the temperature range from 400 ° C to 600 ° C, followed by quenching in water. 5. Способ по п. 4, отличающийся тем, что закалку проводят в масло.5. The method according to p. 4, characterized in that the hardening is carried out in oil. 6. Способ по п. 4, отличающийся тем, что закалку проводят на воздухе. 6. The method according to p. 4, characterized in that the hardening is carried out in air.
RU2016117287A 2016-05-04 2016-05-04 Method of deformation-thermal processing of high-manganese steel RU2643119C2 (en)

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RU2016117287A RU2643119C2 (en) 2016-05-04 2016-05-04 Method of deformation-thermal processing of high-manganese steel

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RU2016117287A RU2643119C2 (en) 2016-05-04 2016-05-04 Method of deformation-thermal processing of high-manganese steel

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RU2016117287A true RU2016117287A (en) 2017-11-10
RU2643119C2 RU2643119C2 (en) 2018-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112725566A (en) * 2020-12-17 2021-04-30 北京科技大学 Method for inhibiting local deformation plastic instability behavior of medium and high manganese steel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2692539C1 (en) * 2018-12-24 2019-06-25 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") Method of obtaining volumetric blanks of high-manganese steel with recrystallized fine-grained structure
RU2766225C1 (en) * 2021-05-24 2022-02-10 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт конструкционных материалов "Прометей" имени И.В. Горянина Национального исследовательского центра "Курчатовский институт" (НИЦ "Курчатовский институт"-ЦНИИ КМ "Прометей") Method for making forged pieces from austenitic steels

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69226946T2 (en) * 1991-12-30 1999-05-12 Po Hang Iron & Steel AUSTENITIC MANGANIC STEEL SHEET WITH HIGH DEFORMABILITY, STRENGTH AND WELDABILITY AND METHOD
RU2073731C1 (en) * 1993-10-18 1997-02-20 Уральское отделение Всероссийского научно-исследовательского института железнодорожного транспорта Method of strengthening high-manganese steel parts
US7806165B2 (en) * 2003-12-23 2010-10-05 Salzgitter Flachstahl Gmbh Method for making hot strips of lightweight construction steel
KR101090822B1 (en) * 2009-04-14 2011-12-08 기아자동차주식회사 High strength twip steel sheets and the manufacturing method thereof
DE102010034161B4 (en) * 2010-03-16 2014-01-02 Salzgitter Flachstahl Gmbh Method for producing workpieces made of lightweight steel with material properties that can be adjusted via the wall thickness

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112725566A (en) * 2020-12-17 2021-04-30 北京科技大学 Method for inhibiting local deformation plastic instability behavior of medium and high manganese steel
CN112725566B (en) * 2020-12-17 2022-02-25 北京科技大学 Method for inhibiting local deformation plastic instability behavior of medium and high manganese steel

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