SU172087A1 - thermocouples - Google Patents

thermocouples

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Publication number
SU172087A1
SU172087A1 SU890040A SU890040A SU172087A1 SU 172087 A1 SU172087 A1 SU 172087A1 SU 890040 A SU890040 A SU 890040A SU 890040 A SU890040 A SU 890040A SU 172087 A1 SU172087 A1 SU 172087A1
Authority
SU
USSR - Soviet Union
Prior art keywords
silicon
alloys
nickel alloy
thermocouple
thermocouples
Prior art date
Application number
SU890040A
Other languages
Russian (ru)
Inventor
А. Г. Нужнов Э. Н. Пигидина Г. Н. Покровска И. С. Гильденгорк
И. Л. Рогельберг Т. Ф. Тарасова Б. И. Пучков
Original Assignee
Государственный научно исследовательский , проектный икстит
сплавов , обработки цветных металлов
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Государственный научно исследовательский , проектный икстит, сплавов , обработки цветных металлов filed Critical Государственный научно исследовательский , проектный икстит
Priority to SU890040A priority Critical patent/SU172087A1/en
Application granted granted Critical
Publication of SU172087A1 publication Critical patent/SU172087A1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Description

Известны термопары из сплавов на основе неблагородных металлов, предназначенные дл  работы в окислительных средах. Эти термопары не обладают достаточной жаростойкостью и быстро выход т из стро .Thermocouples of base metal alloys are known for use in oxidizing environments. These thermocouples do not have sufficient heat resistance and are quickly destroyed.

В иредложенной термопаре дл  увеличени  срока службы ири температурах до отрицательный электрод выполнен из сплава никел  с 2,5-7,0% кремни  и с 1,5-5,0% алюмини , а положительный электрод - из сплава никел  с 8-11% хрома и с 2-4% кремни .In the thermocouple, to increase the service life of the IRI, the negative electrode is made of nickel alloy with 2.5-7.0% silicon and 1.5-5.0% aluminum, and the positive electrode is nickel alloy with 8-11% chromium and with 2-4% silicon.

Дл  уменьшени  вли ни  окислительно-восстанозительной среды кремний в указанных сплавах может быть полностью или частично заменен ниобием.To reduce the effect of the redox environment, silicon in these alloys can be completely or partially replaced by niobium.

В сплавы дл  электродов могут быть дополнительно введены (порознь или одновременно ) кобальт и марганец до 1%, цирконий до 0,2%, углерод и магний до 0,15з/о, кальций и лантан до 0,1%, церий и бор до 0,01о/о.Cobalt and manganese up to 1%, zirconium up to 0.2%, carbon and magnesium up to 0.15 W / o, calcium and lanthanum up to 0.1%, cerium and boron up to 0.01o / o

Термопара ири испытани х длительно (300-500 час) работала при температурах 1200°С, не снижа  при этом своей чувствительности (пор дка 35 мкв/°С).Thermocouples were tested for a long time (300-500 hours) at temperatures of 1200 ° C, while not reducing their sensitivity (on the order of 35 µV / ° C).

Описываемые термопары найдут применение при измерении температуры прод)ктов сгорани  топлива в различных двигател х.The described thermocouples will find use in measuring the temperature of the prod uct of combustion of fuel in various engines.

Предмет изобретени Subject invention

Claims (3)

1.Термопара из сплавов на основе неблагородных металлов, предназначенна  дл  работы в окислительных средах, отличающа с  тем, что, с целью увеличени  срока службы при температурах до 1300°С, отрицательный электрод ее выполнен из сплава никел  с 2,5-7,0э/о кремни  и с 1,5-5,0% алюмини ,1. Thermocouple of base metal alloys, designed to work in oxidizing environments, characterized in that, in order to increase service life at temperatures up to 1300 ° C, its negative electrode is made of nickel alloy from 2.5 to 7.0 e / o silicon and from 1.5-5.0% aluminum, а иоложительный электрод - из сплава никел  с 8-11% хрома и с 2-4% кремни .and the positive electrode is made of nickel alloy with 8-11% chromium and 2-4% silicon. 2.Термопара по п. 1, отличающа с  тем, что в указанных сплавах кремний полностью или частично заменен ниобием.2. Thermopair according to claim 1, characterized in that in said alloys, silicon is fully or partially replaced by niobium. 3. Термопара по пп. 1 и 2, отличающа с  тем, что в сплавы дл  электродов дополнительно введены (порознь или одновременно) кобальт и марганец до ln/o. цирконий до 0,2%, углерод и магний до 0,15Vu кальций и лантан3. Thermocouple on PP. 1 and 2, characterized in that cobalt and manganese are added (separately or simultaneously) to ln / o in the alloys for the electrodes. zirconium up to 0.2%, carbon and magnesium up to 0.15Vu calcium and lanthanum до 0,1 %, церий и бор до 0,0IVoup to 0.1%, cerium and boron up to 0.0IVo
SU890040A 1964-03-25 1964-03-25 thermocouples SU172087A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU890040A SU172087A1 (en) 1964-03-25 1964-03-25 thermocouples

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU890040A SU172087A1 (en) 1964-03-25 1964-03-25 thermocouples

Publications (1)

Publication Number Publication Date
SU172087A1 true SU172087A1 (en) 1965-06-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU890040A SU172087A1 (en) 1964-03-25 1964-03-25 thermocouples

Country Status (1)

Country Link
SU (1) SU172087A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776781A (en) * 1973-04-12 1973-12-04 Driver W Co Thermocouple with nickel-silicon-magnesium alloy negative element
RU2518814C1 (en) * 2010-06-21 2014-06-10 Тиссенкрупп Фдм Гмбх Nickel-based alloy
RU2610990C1 (en) * 2013-03-14 2017-02-17 Фдм Металз Гмбх Nickel-based alloy containing silicon, aluminium and chromium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776781A (en) * 1973-04-12 1973-12-04 Driver W Co Thermocouple with nickel-silicon-magnesium alloy negative element
RU2518814C1 (en) * 2010-06-21 2014-06-10 Тиссенкрупп Фдм Гмбх Nickel-based alloy
RU2610990C1 (en) * 2013-03-14 2017-02-17 Фдм Металз Гмбх Nickel-based alloy containing silicon, aluminium and chromium

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