SU603696A1 - Method of heat treatment - Google Patents
Method of heat treatmentInfo
- Publication number
- SU603696A1 SU603696A1 SU762399145A SU2399145A SU603696A1 SU 603696 A1 SU603696 A1 SU 603696A1 SU 762399145 A SU762399145 A SU 762399145A SU 2399145 A SU2399145 A SU 2399145A SU 603696 A1 SU603696 A1 SU 603696A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- heat treatment
- annealing
- samples
- gas mixture
- mixture
- Prior art date
Links
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- Manufacture And Refinement Of Metals (AREA)
Description
1one
Изобретение относитс к металлургии, в частности к термическо{| обработке, и может быть использовано в электрбтехнике ,The invention relates to metallurgy, in particular to thermal {| processing, and can be used in electrical engineering,
Известен .способ термической обработки металлов дл получени высокого отношени , электросопротивлений при комнатной температуре и температуре жидкого гели . По этому способу образцы отжигают при в течение 72 ч при дозированном давлении кислорода 2,81О мм рт.ст. Затем следует охлаждение с регламентированной скоростью не более 5О°С в 1 ч.A method of heat treatment of metals is known for obtaining a high ratio of electrical resistances at room temperature and liquid gel temperature. According to this method, the samples are annealed for 72 hours at a metered oxygen pressure of 2.81 mm Hg. This is followed by cooling at a regulated rate of not more than 5 ° C per hour.
Однако этот способ .не обеспечивает повы . шени отношени электросопротивлений в маесивных обраг-.ах, так как невозможно подвергнуть процессу внутреннего окислени весь объем материала.However, this method does not provide. The ratio of the electrical resistivities in the bulk processors is so high, since it is impossible to subject the process of internal oxidation to the entire volume of the material.
Целью изобретени вл етс получение низкого электросопротивлени массивных из- делий при температуре жидкого гели .The aim of the invention is to obtain a low electrical resistivity of bulk products at the temperature of the liquid helium.
Достигаетс это тем, что материал подвергают отжигу при температуре близкой к температуре плавлени под давлением смеси аргона и азота 1-15 кбар.This is achieved by the fact that the material is subjected to annealing at a temperature close to the melting point under pressure of a mixture of argon and nitrogen of 1-15 kbar.
Существенное отличие предложени состоит в тим, что процесс отжига ведут под давлением.The essential difference of the proposal is that the annealing process is carried out under pressure.
Положительный эффект достигаетс в результате интенсификации процессов внутреннего окислени примесей, наход щихс в твердом растворе.The positive effect is achieved as a result of the intensification of the processes of internal oxidation of impurities that are in a solid solution.
По предложенному способу термической обработке подвергают образцы серебра высокой частоты диаметром Ю мм с исход- отношением электросопротивлений ) равным 15ОО-8ООО. Образцы после гра влени , промьтки и сущки помещают в массивный серебр ный контейнер который загружают в печь, помещаемую в камере высокого давлени . С помощью смеси (80% аргона и 20% азота) в камере создают, давление 10 кбар. Контейнер с об разцами отжигают при 760 С в течение 1,5 ч, а затем оклаждают со скоростью ЗО40°С в 1 ч.According to the proposed method, high-frequency silver samples with a diameter of 10 mm with an initial ratio of electrical resistances of 15OO-8OOO are subjected to heat treatment. Samples after grading, flushing and drying are placed in a massive silver container that is loaded into a furnace placed in a high pressure chamber. With a mixture (80% argon and 20% nitrogen) a pressure of 10 kbar is created in the chamber. The container with the samples is annealed at 760 C for 1.5 h, and then cooled at a speed of 3040 ° C in 1 h.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762399145A SU603696A1 (en) | 1976-08-26 | 1976-08-26 | Method of heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU762399145A SU603696A1 (en) | 1976-08-26 | 1976-08-26 | Method of heat treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU603696A1 true SU603696A1 (en) | 1978-04-25 |
Family
ID=20675094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762399145A SU603696A1 (en) | 1976-08-26 | 1976-08-26 | Method of heat treatment |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU603696A1 (en) |
-
1976
- 1976-08-26 SU SU762399145A patent/SU603696A1/en active
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