SU469770A1 - The method of chemical-thermal treatment of titanium and its alloys - Google Patents
The method of chemical-thermal treatment of titanium and its alloysInfo
- Publication number
- SU469770A1 SU469770A1 SU1778413A SU1778413A SU469770A1 SU 469770 A1 SU469770 A1 SU 469770A1 SU 1778413 A SU1778413 A SU 1778413A SU 1778413 A SU1778413 A SU 1778413A SU 469770 A1 SU469770 A1 SU 469770A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- alloys
- titanium
- chemical
- thermal treatment
- cadmium
- Prior art date
Links
Landscapes
- Chemical Treatment Of Metals (AREA)
Description
1one
Изобретение относитс к области химикотермической обработки металлов и сплавов, а именно к процессам поверхностного легировани титана и его сплавов элементами дл повышени его антизадирных и антифрикционных свойств.The invention relates to the field of chemical-heat treatment of metals and alloys, in particular, to the processes of surface doping of titanium and its alloys with elements to increase its anti-scuff and anti-friction properties.
Известен способ химико-термической обработки титана и его сплавов в расплавах цианистого натри .The known method of chemical-thermal treatment of titanium and its alloys in molten cyanide sodium.
По предложенному способу дл повышени износостойкости титановых сплавов химикотермическую обработку провод т в расплаве солей йодистого кадми и йодистого кали в интервале температур 450-470/С.According to the proposed method, in order to increase the wear resistance of titanium alloys, chemical heat treatment is carried out in a melt of cadmium iodide and potassium iodide salts in the temperature range of 450-470 / C.
Способ заключаетс в следующем.The method is as follows.
Смесь солей йодистого кали и йодистого кадми расплавл ют при 385°С. Весовое соотношение компонентов в смеси составл ет, вес. %:A mixture of salts of potassium iodide and cadmium iodide is melted at 385 ° C. The weight ratio of components in the mixture is, weight. %:
44-45 44-45
Йодистый калий 55-56 йодистый кадмийPotassium iodide 55-56 cadmium iodide
В ванну с расплавленной смесью погружают издели и нагревают расплав до 450- 470°С и выдерживают в течение 1 час. После изотермической выдержки издели охлаждают в холодной воде. В результате химико-термической обработки на поверхности изделийIn the bath with the molten mixture, immerse the product and heat the melt to 450-470 ° C and hold for 1 hour. After isothermal aging, the product is cooled in cold water. As a result of chemical heat treatment on the surface of products
образуетс защитный слой, обладающий противозадирными свойствами.a protective layer is formed having anti-seize properties.
Обработанные в калий-кадмиевой ванне образцы из низколегированного сплава титана ОТЧ-1 при трении в паре с шариком из хромистой стали выдерживают 4-10 проходов, в то врем как необработанные образцы заедаютс при 5-6 проходах.Samples of a low-alloyed titanium alloy OTCH-1, processed in a potassium-cadmium bath, when rubbed with a ball of chromium steel, withstand 4-10 passes, while untreated samples are stuck at 5-6 passes.
Таким образом предложенный способ значительно повышает антизадирные свойства титана и его сплавов и может примен тьс дл изготовлени сопр женных деталей машин.Thus, the proposed method significantly improves the anti-creep properties of titanium and its alloys, and can be used to manufacture mating machine parts.
Предмет изобретени Subject invention
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1778413A SU469770A1 (en) | 1972-04-28 | 1972-04-28 | The method of chemical-thermal treatment of titanium and its alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1778413A SU469770A1 (en) | 1972-04-28 | 1972-04-28 | The method of chemical-thermal treatment of titanium and its alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU469770A1 true SU469770A1 (en) | 1975-05-05 |
Family
ID=20512322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1778413A SU469770A1 (en) | 1972-04-28 | 1972-04-28 | The method of chemical-thermal treatment of titanium and its alloys |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU469770A1 (en) |
-
1972
- 1972-04-28 SU SU1778413A patent/SU469770A1/en active
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