SU511119A1 - Method of rolling lanthanum - Google Patents
Method of rolling lanthanumInfo
- Publication number
- SU511119A1 SU511119A1 SU2094995A SU2094995A SU511119A1 SU 511119 A1 SU511119 A1 SU 511119A1 SU 2094995 A SU2094995 A SU 2094995A SU 2094995 A SU2094995 A SU 2094995A SU 511119 A1 SU511119 A1 SU 511119A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- vacuum
- rolling
- lanthanum
- metal
- art
- Prior art date
Links
Description
1one
Изобретение относитс к прокатке редкоземельных металлов,This invention relates to the rolling of rare earth metals,
, Известен способ гор чей пластической -деформации некоторых редкоземельных металлов на воздухе. Например, тулий прокатьшапс в несколько проходов на воздухе при 788 С с толщины 6,35 мм до толщинь 0,2 5 мм. Однако сведений о холодной или горючей прокатке лантана в отечественной и зарубежной литературе не имеетс . Как известно, все редкоземельные металлы характеризуютс чрезвычайным сродством к кислороду; некоторые из них пирофорны. Даже при Комнатной температуре они актив но взаимодействуют с кислородом воздуха, причем процесс окислени прогрессирует во времени и сопровождаетс значительными потер ми дорогосто щих и дефицитных материалов . Поэтому слитки и. издели из большинства редкоземельных металлов, и, в ЧЕСТНОСТИ, КЗ лаЕгтана хран т под слоем масла или керосина. Скорость окислени многократно возрастает при повышеюш температуры. Активное взаимодействие -металла в этих услови х с кислородом может The known method of hot plastic deformation of some rare earth metals in air. For example, thulium prokatshaps in several passes in air at 788 C with a thickness of 6.35 mm to a thickness of 0.2 5 mm. However, there is no information about cold or combustible rolling of lanthanum in domestic and foreign literature. As is known, all rare earth metals are characterized by an extraordinary affinity for oxygen; some of them are pyrophoric. Even at Room temperature, they actively interact with the oxygen of the air, and the oxidation process progresses over time and is accompanied by significant losses of expensive and scarce materials. Therefore, ingots and. articles made of most rare earth metals, and, in fairness, CG laegtan is stored under a layer of oil or kerosene. The oxidation rate increases many times with higher temperatures. The active interaction of a metal in these conditions with oxygen can
;привести к его возгоранию. Следовательно |дл обеспечени нормального проведени ; самого процесса гор чей обработки лантан i исключени больших потерь металла и по- I вышени качества его поверхности высоко- температурную деформацию лантана, необ|ходимую дл повышени его пластичности, I следует проводить в безокислительных услови х, т. е. в вакууме, или в инертной среде.; lead to fire. Consequently, to ensure normal conduct; the process of hot processing of lanthanum i, eliminating large metal losses and increasing its surface quality, the high-temperature deformation of lanthanum necessary to increase its plasticity, I should be carried out in non-oxidizing conditions, i.e. in vacuum inert environment.
Цель изобретени получение высоко:качественного проката из лантана при вы: соких (До 7S°b) обжати х за проход и : снижение экономических затрат при деформации. металла.The purpose of the invention is to obtain high: high quality rolled products of lanthanum at high (up to 7 ° C) reduction per pass and: reduction of economic costs during deformation. metal.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2094995A SU511119A1 (en) | 1975-01-08 | 1975-01-08 | Method of rolling lanthanum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2094995A SU511119A1 (en) | 1975-01-08 | 1975-01-08 | Method of rolling lanthanum |
Publications (1)
Publication Number | Publication Date |
---|---|
SU511119A1 true SU511119A1 (en) | 1976-04-25 |
Family
ID=20606958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2094995A SU511119A1 (en) | 1975-01-08 | 1975-01-08 | Method of rolling lanthanum |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU511119A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110308940A1 (en) * | 2009-03-31 | 2011-12-22 | Jx Nippon Mining & Metals Corporation | Lanthanum Target for Sputtering |
US9347130B2 (en) | 2009-03-27 | 2016-05-24 | Jx Nippon Mining & Metals Corporation | Lanthanum target for sputtering |
-
1975
- 1975-01-08 SU SU2094995A patent/SU511119A1/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9347130B2 (en) | 2009-03-27 | 2016-05-24 | Jx Nippon Mining & Metals Corporation | Lanthanum target for sputtering |
US20110308940A1 (en) * | 2009-03-31 | 2011-12-22 | Jx Nippon Mining & Metals Corporation | Lanthanum Target for Sputtering |
US9382612B2 (en) * | 2009-03-31 | 2016-07-05 | Jx Nippon Mining & Metals Corporation | Lanthanum target for sputtering |
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