RU2012152678A - METHOD FOR THERMAL TREATMENT OF WELDED JOINS OF RAILS - Google Patents

METHOD FOR THERMAL TREATMENT OF WELDED JOINS OF RAILS Download PDF

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Publication number
RU2012152678A
RU2012152678A RU2012152678/02A RU2012152678A RU2012152678A RU 2012152678 A RU2012152678 A RU 2012152678A RU 2012152678/02 A RU2012152678/02 A RU 2012152678/02A RU 2012152678 A RU2012152678 A RU 2012152678A RU 2012152678 A RU2012152678 A RU 2012152678A
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RU
Russia
Prior art keywords
rails
cooled
thermal treatment
weld
temperature
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RU2012152678/02A
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Russian (ru)
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RU2524526C1 (en
Inventor
Георгий Романович Маёров
Дарья Александровна Юрченко
Илья Сергеевич Максимов
Эльвира Бекбулатовна Ишимова
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Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Самарский государственный университет путей сообщения" (СамГУПС)
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Priority to RU2012152678/02A priority Critical patent/RU2524526C1/en
Publication of RU2012152678A publication Critical patent/RU2012152678A/en
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Publication of RU2524526C1 publication Critical patent/RU2524526C1/en

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Abstract

Способ термомеханической обработки сварных стыков рельсов, в котором нагревают сечение в зоне сварного шва до (850-900)°C и принудительно охлаждают головку с одновременным охлаждением шейки и подошвы естественным путем на воздухе, отличающийся тем, что быстро охлаждают сварной шов до температуры Мн°C, в диапазоне температур (Мн-Ткомн)°C производят упрочнение дробью 0,8-1,5 мм.A method of thermomechanical processing of welded joints of rails in which the section in the weld zone is heated to (850-900) ° C and the head is forcibly cooled while the neck and sole are cooled naturally in air, characterized in that the weld is quickly cooled to a temperature of M ° C, in the temperature range (Mn-Tkomn) ° C hardening is carried out with a fraction of 0.8-1.5 mm.

Claims (1)

Способ термомеханической обработки сварных стыков рельсов, в котором нагревают сечение в зоне сварного шва до (850-900)°C и принудительно охлаждают головку с одновременным охлаждением шейки и подошвы естественным путем на воздухе, отличающийся тем, что быстро охлаждают сварной шов до температуры Мн°C, в диапазоне температур (Мн-Ткомн)°C производят упрочнение дробью 0,8-1,5 мм. A method of thermomechanical processing of welded joints of rails in which the section in the weld zone is heated to (850-900) ° C and the head is forcibly cooled while the neck and sole are cooled naturally in air, characterized in that the weld is quickly cooled to a temperature of M ° C, in the temperature range (Mn-Tkomn) ° C hardening is carried out with a fraction of 0.8-1.5 mm.
RU2012152678/02A 2012-12-06 2012-12-06 Method of heat treatment of rail weld joints RU2524526C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2012152678/02A RU2524526C1 (en) 2012-12-06 2012-12-06 Method of heat treatment of rail weld joints

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Application Number Priority Date Filing Date Title
RU2012152678/02A RU2524526C1 (en) 2012-12-06 2012-12-06 Method of heat treatment of rail weld joints

Publications (2)

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RU2012152678A true RU2012152678A (en) 2014-06-20
RU2524526C1 RU2524526C1 (en) 2014-07-27

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2705820C1 (en) * 2018-10-29 2019-11-12 Общество С Ограниченной Ответственностью Научно-Производственное Предприятие "Томская Электронная Компания" Method of thermal treatment of weld joints of rails and device for implementation of method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4105909B2 (en) * 2002-07-10 2008-06-25 新日本製鐵株式会社 Heat treatment method for pearlitic rails to improve toughness of welded joints
RU2371535C1 (en) * 2008-04-29 2009-10-27 Открытое Акционерное Общество "Российские Железные Дороги" Method of thermal treatment of welded joints of rails
RU2411295C2 (en) * 2008-12-18 2011-02-10 Рейлтек Интернейшнел Method and device for rail joint thermal treatment

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RU2524526C1 (en) 2014-07-27

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Effective date: 20171207