Sumo pfupi
Zita rechigadzirwa: Samarium
Formula: Sm
Nhamba yeCAS: 7440-19-9
Molecular uremu: 150.36
Density: 7.353 g/cm
Nzvimbo yakanyungudika: 1072°C
Chimiro: 10 x 10 x 10 mm cube
Samarium chinhu chisingawanikwe pasi pano chiri silvery-white, soft, and ductile metal. Iine nzvimbo yekunyungudika ye1074 °C (1976 °F) uye nzvimbo yekuvira ye1794 °C (3263 °F). Samarium inozivikanwa nekugona kwayo kutora manyutroni uye nekushandiswa kwayo mukugadzira samarium-cobalt magineti, ayo anoshandiswa mumhando dzakasiyana dzekushandisa, kusanganisira mumamotor nemajenareta.
Samarium simbi inowanzogadzirwa kuburikidza nenzira dzakasiyana-siyana, kusanganisira electrolysis uye kuderedza kupisa. Inowanzo tengeswa nenzira yeingots, tsvimbo, mashiti, kana hupfu, uye inogona zvakare kugadzirwa mune mamwe mafomu kuburikidza nemaitiro akadai sekukanda kana kuforoma.
Samarium simbi ine akati wandei anogona kunyorera, anosanganisira mukugadzirwa kwekatalysts, alloys, uye zvemagetsi, pamwe nekugadzira magineti uye zvimwe zvinhu zvine hunyanzvi. Inoshandiswawo mukugadzira mafuta enyukireya uye mukugadzira magirazi emhando uye makeramiki.
Material: | Samarium |
Kuchena: | 99.9% |
Atomic nhamba: | 62 |
Density | 6.9 g.cm-3 pa20°C |
Melting point | 1072 °C |
Bolling point | 1790 °C |
Dimension | 1 inch, 10mm, 25.4mm, 50mm, kana Customized |
Application | Zvipo, sainzi, zviratidzo, muunganidzwa, kushongedzwa, dzidzo, tsvakiridzo |
- Permanent Magnets: Imwe yeanonyanya kukosha mashandisirwo esamarium kugadzirwa kwesamarium cobalt (SmCo) magineti. Aya magineti echigarire anozivikanwa nekuda kwesimba rawo repamusoro remagineti uye yakanakisa kugadzikana kwemafuta, zvichiita kuti ive yakanakira kushandiswa mune yakakwirira-kuita maapplication akadai semotor, jenareta, uye masensa. Magineti eSmCo anonyanya kukosha mumaindasitiri ezvemhepo uye ekudzivirira, uko kuvimbika uye kuita kwakakosha.
- Nuclear Reactors: Samarium inoshandiswa seineutron absorber mune nuclear reactors. Inokwanisa kutora manyutroni, nokudaro kubatsira kudzora fission process uye kuchengetedza kugadzikana kweiyo reactor. Samarium inowanzobatanidzwa mumatanda ekudzora uye zvimwe zvikamu, izvo zvinobatsira pakuchengetedza uye kushanda kwakachengeteka kwemagetsi enyukireya.
- Phosphors uye Lighting: Mishonga yeSamarium inoshandiswa mu phosphors yekuvhenekera kushandiswa, kunyanya cathode ray tubes (CRTs) uye mwenje wefluorescent. Samarium-doped zvinhu zvinogona kuburitsa mwenje pane chaiyo wavelengths, nekudaro inovandudza kunaka kwemavara uye kugona kwemagetsi masisitimu. Ichi chishandiso chakakosha pakuvandudza matekinoroji epamusoro ekuratidzira uye magetsi-anoshanda emwenje mhinduro.
- Alloying agent: Yakachena samarium inoshandiswa sealloying alloying mune akasiyana simbi alloys, kunyanya mukugadzirwa kweasingawanzo pasi magineti uye zvimwe zvinhu zvepamusoro-soro. Kuwedzerwa kwesamarium kunonatsiridza ma mechanic zvivakwa uye corrosion resistance yeaya alloys, achiita kuti ave akakodzera kushandiswa mumaindasitiri emagetsi, emota uye aerospace.
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