Kugwiritsa Ntchito Osmium Metal mu Makampani Amagetsi
Osmium ndi imodzi mwa zitsulo zosowa kwambiri padziko lapansi ndipo ili m'gulu la zitsulo za gulu la platinum (PGM), pamodzi ndi platinum, iridium, ruthenium, rhodium, ndi palladium. Chinthu ichi chili ndi atomiki nambala 76 ndipo chimadziwika ndi makhalidwe ake apadera: kukhuthala kwambiri, kusungunuka kwambiri, komanso kukana kuwonongeka ndi dzimbiri pansi pa mikhalidwe ina. Ngakhale kuti osmium sigwiritsidwa ntchito kwambiri monga zitsulo zina monga mkuwa, siliva, kapena golide, imagwiritsabe ntchito mosangalatsa—makamaka pamene mafakitale amafuna zipangizo zolimba kwambiri komanso zogwira ntchito bwino.
Mu makampani opanga zamagetsi, osmium sigwiritsidwa ntchito kawirikawiri ngati chinthu chachikulu chifukwa cha kupezeka kwake kochepa, mtengo wake wokwera, komanso zovuta zachitetezo (makamaka zokhudzana ndi mankhwala a osmium omwe angapangitse osmium tetroxide yoopsa). Komabe, mu ntchito zina zomwe zimafuna mphamvu yamakina ndi mankhwala enaake, osmium ikhoza kukhala chinthu chamtengo wapatali. Nazi njira zina zogwiritsira ntchito osmium mumakampani opanga zamagetsi, pamodzi ndi zifukwa zomwe imasankhidwira komanso zoletsa zilizonse.
1. Zinthu Zopangira Aloyi Zolumikizirana ndi Magetsi Zosavala
Zipangizo zamagetsi nthawi zambiri zimadalira kulumikizana kwamagetsi—zigawo zomwe zimakhudza kuti ziyendetse mphamvu yamagetsi, monga ma switch, ma relay, zolumikizira, kapena ma sliding contacts. Mavuto akuluakulu okhudzana ndi kulumikizana kwamagetsi ndi kuwonongeka chifukwa cha kukangana, kutentha chifukwa cha arcing, ndi oxidation kapena kuipitsidwa kwa pamwamba, zomwe zimawonjezera kukana.
Osmium, makamaka mu mawonekedwe a alloy ndi zitsulo zina za PGM monga iridium kapena platinamu, imathandizira ku:
- Kulimba kwambiri kotero kuti pamwamba pake sipakutha msanga.
- Kukana kuvala mu ntchito zomwe zimaphatikizapo mayendedwe obwerezabwereza.
- Kukhazikika pa kutentha kwambiri, komwe kumathandiza kusunga mawonekedwe ndi magwiridwe antchito pamene kutentha kwapafupi kumachitika.
Kulumikizana kwa magetsi kosatha ndi kofunikira kwambiri pa zamagetsi zamafakitale, makina owongolera, kapena zida zomwe ziyenera kugwira ntchito kwa nthawi yayitali popanda kukonza pafupipafupi. Komabe, chifukwa cha kupezeka kochepa kwa osmium, ma alloy a osmium nthawi zambiri amasankhidwa kuti azigwiritsidwa ntchito pazinthu zapadera komanso zapamwamba.
2. Wonjezerani Kukana Kukugwa kwa Arcing
Mu dera lamagetsi lomwe lili ndi mphamvu inayake yamagetsi kapena magetsi, switch ikatsegulidwa kapena kutsekedwa, arc yamagetsi imatha kuchitika. Arc iyi imatha "kuwononga" pamwamba pa kukhudzana ndikusintha mawonekedwe ake: pamwamba pake pamakhala poyipa, ma oxide amapangidwa, ndipo kukana kumawonjezeka.
Zipangizo zomwe zingalepheretse kukokoloka kwa miyala ndizofunikira kuti zikhale zodalirika. Osmium ili ndi ubwino mu alloys chifukwa:
- Amachepetsa kuchuluka kwa kukokoloka kwa nthaka pamalo okhudzidwa.
- Imasunga malo okhazikika kuti asawonongeke kwambiri.
Ngakhale kuti m'mafakitale amakono, ma alloy okhala ndi siliva, tungsten, kapena ruthenium amagwiritsidwa ntchito kwambiri pamitundu yosiyanasiyana ya ma relay ndi switch, osmium imakhalabe yofunikira ngati njira yofunikira pamavuto aakulu, makamaka pamene kukana kuwonongeka ndi kukhazikika ndizofunikira kwambiri.
3. Kuphimba kwa Zigawo Zing'onozing'ono Zolimba Kwambiri
Mu dziko la zamagetsi olondola—monga, mu zipangizo zamagetsi zazing'ono (Micro-Electro-Mechanical Systems / MEMS), zigawo zina za masensa, ndi njira zoyenda zazing'ono—zophimba pamwamba ndizofunikira kuti muchepetse kukangana, kuvala, ndi kusintha kwa makhalidwe chifukwa cha chilengedwe.
Mwachidule, osmium ingagwiritsidwe ntchito ngati chophimba chifukwa:
- Yolimba kwambiri ndipo imatha kuwonjezera kukana pamwamba.
- Yosagwira kusweka, yoyenera ziwalo zazing'ono zomwe zimakumana ndi kukhudzana ndi makina.
Komabe, kugwiritsa ntchito osmium ngati chophimba sikwachilendo ndipo nthawi zambiri kumakhala kopambana ndi zipangizo zophikira zothandiza kwambiri monga nitride (TiN), kaboni monga DLC (diamond-like carbon), kapena ma PGM alloys ena omwe ndi otetezeka komanso osavuta kuwagwiritsa ntchito. Komabe, mu kafukufuku wa zipangizo kapena ntchito zinazake, osmium ikhoza kukhala yoyenera chifukwa cha mphamvu zake zapamwamba zamakanika.
4. Zigawo za Zida Zamagetsi Zamakono ndi Zipangizo Zapadera
Asanayambe chitukuko cha ukadaulo wa semiconductor ndi zipangizo zamakono, zipangizo zina zolondola zinkagwiritsa ntchito zitsulo za PGM pazigawo zomwe zimafuna kukhazikika kwa kukula ndi kulimba. Kale Osmium inkadziwika kuti imagwiritsidwa ntchito m'zigawo zomwe zimakhala ndi kukhudzana kosavuta komanso njira zolondola.
Mu malo ogwiritsira ntchito zamagetsi, mapulogalamu monga:
- zipangizo zoyezera zokhala ndi makina olumikizana bwino kwambiri,
- zida zomwe zimafunikira nthawi yayitali yogwira ntchito,
- njira yobwerezabwereza yolumikizirana kwambiri,
Mungaganizire za alloys okhala ndi osmium. Ngakhale kuti tsopano ndi osowa kwambiri m'zinthu zopangidwa mochuluka, mfundo yake ndi yomweyi: osmium ndi yothandiza pamene kukana kuwonongeka ndi kukhazikika ndi zinthu zofunika kwambiri.
5. Zipangizo Zothandizira Kafukufuku wa Sayansi ya Zamagetsi ndi Zipangizo
Udindo wa Osmium umaonekeranso mu kafukufuku, osati kupanga zinthu zambiri zokha. Pakupanga zipangizo zamagetsi, ofufuza amatha kufufuza osmium mu:
- maphunziro a alloy a kulumikizana kwa magetsi kwa mibadwo yatsopano,
- kuyesa kukana pamwamba pa zinthu zovuta kwambiri,
- zoyeserera pa zinthu zamagetsi ndi kapangidwe ka makristalo a zitsulo zolemera.
Kuphatikiza apo, osmium ili ndi kachulukidwe kapadera komanso mawonekedwe ake, zomwe zimapangitsa kuti ikhale yosangalatsa pa kafukufuku wokhudzana ndi zochitika za pamwamba, kukana kufalikira, kapena kukhazikika kwa kutentha m'zigawo zina.
6. Zoletsa za Kugwiritsa Ntchito Osmium mu Makampani a Zamagetsi
Ngakhale kuti ili ndi ubwino wambiri, osmium si chinthu "chogwiritsidwa ntchito mosiyanasiyana". Pali zopinga zazikulu zomwe zimalepheretsa kugwiritsidwa ntchito kwake kwambiri:
a) Kusowa ndi Mitengo Yokwera
Osmium ndi chimodzi mwa zinthu zosowa kwambiri. Kupanga kwake nthawi zambiri kumachitika chifukwa cha nickel, mkuwa, kapena migodi ina ya PGM. Chifukwa chake, kupezeka kwake kumakhala kochepa, ndipo mtengo wake ukhoza kukhala wokwera komanso wosasinthasintha. Makampani opanga zamagetsi, omwe amapanga mayunitsi mamiliyoni ambiri, amakonda zipangizo zomwe zimakhala ndi kupezeka kokhazikika.
b) Mavuto Okhudza Kukonza Zinthu
Osmium ili ndi malo osungunuka kwambiri komanso zinthu zomwe zimapangitsa kuti kukonza kwake zitsulo kukhale kovuta kuposa kwa zitsulo wamba. Kupanga, kulumikiza, kapena kupanga kungafunike njira zapadera.
c) Zoopsa za Chitetezo cha Osmium Compounds
Chodetsa nkhawa chachikulu ndi kuthekera kwa kupanga osmium tetroxide (OsO₄), mankhwala oopsa kwambiri komanso osinthasintha. M'mafakitale, izi zimafuna njira zokhwima zotetezera komanso kuwongolera njira zogwirira ntchito. Chiwopsezochi chapangitsa opanga ambiri kusankha njira zina zotetezeka.
d) Njira Zina Zothandiza Zogwiritsira Ntchito
Magwiritsidwe ntchito ambiri a zamagetsi amatha kukwaniritsa zofunikira ndi zinthu zina: golide wothandiza kuyendetsa magetsi ndi kukana dzimbiri, siliva wothandiza kuyendetsa magetsi kwambiri, tungsten wothandiza kutentha, ndi ruthenium/rhodium pa mitundu ina ya ma contact. Chifukwa chake, osmium nthawi zambiri imagwiritsidwa ntchito pokhapokha ngati zofunikira zinazake zakwaniritsidwa.
7. Ziyembekezo za Osmium mu Zamagetsi Zamakono
Mtsogolomu, osmium mwina idzakhalabe chinthu chapadera, osati chinthu chachikulu. Komabe, pali kuthekera kuti ipitirire kuganiziridwa mu:
- aloyi yolumikizirana kuti igwiritsidwe ntchito kwambiri,
- kafukufuku wa pamwamba ndi tribology (sayansi ya kukangana ndi kuvala) pa zinthu zazing'ono,
- ntchito zapadera zomwe zimafuna kulimba kwa makina kwambiri.
Popeza kufunikira kwakukulu kwa zipangizo zolimba, miniaturization, ndi machitidwe amagetsi omwe amagwira ntchito m'malo ovuta (monga mafakitale akuluakulu, chitetezo, kapena kufufuza), chidwi cha zipangizo zogwira ntchito bwino—kuphatikizapo osmium—chingakhalebe chofunikira, makamaka mu mawonekedwe a alloys kapena mafilimu owonda.
Mapeto
Osmium ndi chitsulo chosowa kwambiri chomwe chili ndi mphamvu zabwino kwambiri zamakanika komanso kutentha, zomwe zimapangitsa kuti chikhale chothandiza kwambiri mumakampani a zamagetsi, makamaka pakugwiritsa ntchito komwe kumafuna kukana kuwonongeka, kukhazikika kutentha kwambiri, komanso kukana kukokoloka kwa nthaka. Osmium imagwira ntchito bwino kwambiri mu alloys zamagetsi, zigawo zolondola, komanso ngati chithandizo cha kafukufuku wa zinthu.
Komabe, kugwiritsidwa ntchito kwake kumachepa chifukwa cha kusowa, mtengo, zovuta zogwirira ntchito, komanso nkhawa zokhudzana ndi chitetezo zomwe zimagwirizanitsidwa ndi mankhwala a osmium tetroxide. Pazifukwa izi, osmium imagwiritsidwa ntchito kawirikawiri m'magetsi opangidwa ndi anthu ambiri, koma imakhalabe yofunikira ngati yankho lapadera pazofunikira kwambiri.
Ngati mukufuna, nditha kuwonjezera gawo la "zitsanzo zogwiritsira ntchito mu zida zenizeni" (ma relay amafakitale, ma switch olondola, kapena zolumikizira zapadera) kapena kupanga mtundu wamaphunziro kwambiri wa nkhaniyi wokhala ndi zolemba ndi mawu.
