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RU99117934A - METHOD FOR NITRATION OF HEAT-RESISTANT ALLOYS ON NICKEL, IRON-NICKEL, NICKEL-COBALT AND COBALT BASIS - Google Patents

METHOD FOR NITRATION OF HEAT-RESISTANT ALLOYS ON NICKEL, IRON-NICKEL, NICKEL-COBALT AND COBALT BASIS

Info

Publication number
RU99117934A
RU99117934A RU99117934/02A RU99117934A RU99117934A RU 99117934 A RU99117934 A RU 99117934A RU 99117934/02 A RU99117934/02 A RU 99117934/02A RU 99117934 A RU99117934 A RU 99117934A RU 99117934 A RU99117934 A RU 99117934A
Authority
RU
Russia
Prior art keywords
nickel
cobalt
heat
nitrogen
resistant alloys
Prior art date
Application number
RU99117934/02A
Other languages
Russian (ru)
Other versions
RU2164964C1 (en
Inventor
Владимир Борисович Латышев
Станислав Александрович Моисеев
Евгений Николаевич Каблов
Original Assignee
Государственное предприятие "Всероссийский научно-исследовательский институт авиационных материалов"
Filing date
Publication date
Application filed by Государственное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" filed Critical Государственное предприятие "Всероссийский научно-исследовательский институт авиационных материалов"
Priority to RU99117934A priority Critical patent/RU2164964C1/en
Priority claimed from RU99117934A external-priority patent/RU2164964C1/en
Application granted granted Critical
Publication of RU2164964C1 publication Critical patent/RU2164964C1/en
Publication of RU99117934A publication Critical patent/RU99117934A/en

Links

Claims (5)

1. Способ азотирования жаропрочных сплавов на никелевой, железо-никелевой, никель-кобальтовой и кобальтовой основе, включающий нагрев, выдержку в азотосодержащей атмосфере и последующее охлаждение, отличающийся тем, что перед нагревом проводят продувку потоком азота, нагрев осуществляют до температуры 1150-1250°С с последующей выдержкой при этой температуре в потоке азота, который подается со скоростью 3-10 л/мин, а охлаждение проводят со скоростью не менее 50°/мин до температуры, ниже которой образование нитридных фаз не происходит.1. The method of nitriding of heat-resistant alloys based on nickel, nickel-iron, nickel-cobalt and cobalt-based, including heating, holding in a nitrogen-containing atmosphere and subsequent cooling, characterized in that before heating, a nitrogen stream is purged, heating is carried out to a temperature of 1150-1250 ° With subsequent exposure at this temperature in a stream of nitrogen, which is supplied at a speed of 3-10 l / min, and cooling is carried out at a speed of at least 50 ° / min to a temperature below which the formation of nitride phases does not occur. 2. Способ по п.1, отличающийся тем, что продувку деталей осуществляют со скоростью подачи азота 10-20 л/мин в течение 1-2 ч. 2. The method according to claim 1, characterized in that the parts are purged with a nitrogen flow rate of 10-20 l / min for 1-2 hours 3. Способ по п.1, отличающийся тем, что выдержку в потоке азота проводят в течение 10-100 ч. 3. The method according to claim 1, characterized in that the exposure to a stream of nitrogen is carried out for 10-100 hours 4. Способ по п.1, отличающийся тем, что охлаждение проводят в воде или на воздухе в принудительном охлаждении. 4. The method according to claim 1, characterized in that the cooling is carried out in water or in air under forced cooling. 5. Изделия из жаропрочных сплавов, отличающиеся тем, что получены по способу согласно п.1-4. 5. Products from heat-resistant alloys, characterized in that they are obtained by the method according to claim 1-4.
RU99117934A 1999-08-09 1999-08-09 Method of nitriding of high-temperature alloys based on nickel, iron-nickel, nickel-cobalt and cobalt RU2164964C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU99117934A RU2164964C1 (en) 1999-08-09 1999-08-09 Method of nitriding of high-temperature alloys based on nickel, iron-nickel, nickel-cobalt and cobalt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU99117934A RU2164964C1 (en) 1999-08-09 1999-08-09 Method of nitriding of high-temperature alloys based on nickel, iron-nickel, nickel-cobalt and cobalt

Publications (2)

Publication Number Publication Date
RU2164964C1 RU2164964C1 (en) 2001-04-10
RU99117934A true RU99117934A (en) 2001-06-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU99117934A RU2164964C1 (en) 1999-08-09 1999-08-09 Method of nitriding of high-temperature alloys based on nickel, iron-nickel, nickel-cobalt and cobalt

Country Status (1)

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RU (1) RU2164964C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2386722C2 (en) * 2008-06-30 2010-04-20 Открытое акционерное общество "Уфимское моторостроительное производственное объединение" Nitridation method of heat-resistant nickel-based alloys
US8377234B2 (en) 2010-04-26 2013-02-19 King Fahd University Of Petroleum And Minerals Method of nitriding nickel-chromium-based superalloys
CA2833579C (en) * 2011-04-28 2019-09-17 Expanite A/S Method for solution hardening of a cold deformed workpiece of a passive alloy, and a member solution hardened by the method.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1046385A (en) * 1975-04-03 1979-01-16 Albert G. Hartline (Iii) Internal nitridation of cobalt-base superalloys
SU897115A3 (en) * 1977-07-12 1982-01-07 Аллегени Ладлам Индастриз (Инофирма) Method of alloying iron-based alloy articles

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