SU433240A1 - METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i ii - Google Patents
METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i iiInfo
- Publication number
- SU433240A1 SU433240A1 SU1684560A SU1684560A SU433240A1 SU 433240 A1 SU433240 A1 SU 433240A1 SU 1684560 A SU1684560 A SU 1684560A SU 1684560 A SU1684560 A SU 1684560A SU 433240 A1 SU433240 A1 SU 433240A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- wolframab
- ftrvfrgt
- thermal treatment
- cast alloys
- alloys
- Prior art date
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Description
1one
Изобретение относитс к €пособу повышени технологической пластичности тугоплавких металлов и сплавов, в частности сплавов «а основе вольфрама.The invention relates to a tool for increasing the technological plasticity of refractory metals and alloys, in particular alloys based on tungsten.
Известен способ термической обработки тугоплавких металлов и сплавов на основе молибдена, заключающийс в проведении отжига слитков и полуфабрикатов в интервале температур 900-1400 °С в течение 20-500 час в вакууме или нейтральной среде с целью повышени пластичности слитков .и полуфабрикатов при их дальнейшей деформации.The known method of heat treatment of refractory metals and molybdenum-based alloys, which consists in conducting annealing of ingots and semi-finished products in the temperature range of 900-1400 ° C for 20-500 hours in vacuum or neutral medium in order to increase the plasticity of ingots and semi-finished products with their further deformation .
Однако известный способ не устран ет по влени термических трещин при изготовлении литых изделий из сплавов вольфрама, возникающих в процессе резкого охлал дени слитков, полученных способом центробежного и гарниссажного лигь .However, the known method does not eliminate the occurrence of thermal cracks in the manufacture of cast products from tungsten alloys, arising in the process of sharp chilling of ingots obtained by the centrifugal and skull-lining method.
С целью предотвращени образовани термических трещин предлагаетс способ термической обработки, заключающийс в проведении отжига в процессе охлал дени отливки от температуры расплава при достижении ее температуры 900-1250 °С, выдержки Б течение 10-75 час и дальнейшем медленном охлаждении .In order to prevent the formation of thermal cracks, a method of heat treatment is proposed.
Применение такой обработки позвол ет снизить температуры хладноломкости с 300- 400 °С до 200 °С. повысить выход годной продукции до 85-90%.The use of such a treatment makes it possible to reduce the cold brit temperature from 300-400 ° C to 200 ° C. increase the yield of products up to 85-90%.
Предмет изобретени Subject invention
Способ термической обработки литых сплавов вольфрама, включающий длительный отжиг прп температурах 900-1400 °С в вакууме или нейтральной среде, о т л i ч а ю щ и йс тем, что, с целью получени литых 1 зделий без термических трещин, отжиг производ т в процессе охлаждени отлпвки при достижеНИИ температуры отжига.The method of heat treatment of cast alloys of tungsten, including long-term annealing at temperatures of 900–1400 ° C in vacuum or in neutral medium, is made in that in the process of cooling off when the annealing temperature is reached.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1684560A SU433240A1 (en) | 1971-07-26 | 1971-07-26 | METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i ii |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1684560A SU433240A1 (en) | 1971-07-26 | 1971-07-26 | METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i ii |
Publications (1)
Publication Number | Publication Date |
---|---|
SU433240A1 true SU433240A1 (en) | 1974-06-25 |
Family
ID=20483932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1684560A SU433240A1 (en) | 1971-07-26 | 1971-07-26 | METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i ii |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU433240A1 (en) |
-
1971
- 1971-07-26 SU SU1684560A patent/SU433240A1/en active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU660596A3 (en) | Method of heat treatment of deformable austenitic alloy | |
SU433240A1 (en) | METHOD OF THERMAL TREATMENT OF CAST ALLOYS WOLFRAMAB T T 5P ^ -ftrvfrgT? ^ i, ^. '., i-j,: i.i ii | |
US2787692A (en) | Method of heating magnesium alloy billets | |
GB1399293A (en) | Process for obtaining copper alloys and alloys so obtained | |
US1278207A (en) | Producing wrought shapes of manganese steel. | |
GB1031338A (en) | Heat treatment of nickel base alloys | |
SU392144A1 (en) | METHOD OF THERMAL TREATMENT OF ALLOYS ON THE BASIS OF ALUMINUM | |
SU729263A1 (en) | Method of thermal treatment of bimetallic sheets | |
US2469146A (en) | Steel helmet | |
US1394534A (en) | Heat treatment of aluminum alloys | |
SU378533A1 (en) | METHOD OF THERMOMECHANICAL TREATMENT OF CllJlABOS 1 BASED ON MAGNESIUM | |
US1633826A (en) | Alloy | |
GB439804A (en) | Improvements in the heat treatment of aluminium alloys | |
GB1343635A (en) | Annealing | |
SU821509A1 (en) | Method of carbide type steel and alloy treatment | |
GB481999A (en) | Method for the production of centrifugally cast metal tubes | |
SU451796A1 (en) | A method of manufacturing sheets of molybdenum-based alloys | |
SU675087A1 (en) | Method of treating magnesium-base alloys | |
SU442230A1 (en) | The method of heat treatment of nickel-based superalloys | |
SU368337A1 (en) | METHOD OF THERMAL TREATMENT OF CASTINGS OF CAST IRON WITH SPARKET GRAPHITE | |
SU432213A1 (en) | METHOD FOR PROCESSING METALS AND ALLOYS | |
SU833334A1 (en) | Method of producing ni-fe-mo alloy based works | |
SU476326A1 (en) | The method of preparation of the metal charge for melting aluminum alloys | |
GB446042A (en) | Improvements in or relating to aluminium alloys | |
SU55345A1 (en) | High-speed chrome-molybdenum-vanadium steel |