Zvivakwa zveZirconium
Atomic nhamba | 40 |
CAS nhamba | 7440-67-7 |
Atomic mass | 91.224 |
Melting point | 1852 ℃ |
Boiling point | 4377℃ |
Atomic volume | 14.1g/cm³ |
Density | 6.49g/cm³ |
Crystal chimiro | Dense hexagonal unit cell |
Kuwanda mugoko rePasi | 1900ppm |
Kumhanya kwenzwi | 6000 (m/S) |
Kuwedzera kupisa | 4.5×10^-6 K^-1 |
Thermal conductivity | 22.5 w/m·K |
Electrical resistivity | 40mΩ·m |
Mohs kuoma | 7.5 |
Vickers kuoma | 1200 HV |
Zirconium chinhu chemakemikari chine chiratidzo cheZr uye nhamba yeatomu ye 40. Yayo yekutanga fomu isimbi yakakwirira yakanyunguduka uye inoratidzika chiedza grey. Zirconium inowanzoita firimu reoxide pamusoro payo, iyo ine kupenya kwakafanana nesimbi. Iyo ine corrosion resistance uye inonyungudika muhydrofluoric acid uye aqua regia. Pakupisa kwepamusoro, inogona kuita neasiri-simbi maelementi uye akawanda esimbi maelementi kuumba yakasimba mhinduro.
Zirconium inotora nyore haidrojeni, nitrogen, uye okisijeni; Zirconium ine hukama hwakasimba hweokisijeni, uye okisijeni yakanyungudika mu zirconium pa1000 ° C inogona kuwedzera zvakanyanya huwandu hwayo. Zirconium inowanzoita firimu reoxide pamusoro payo, iyo ine kupenya kwakafanana nesimbi. Iine corrosion resistance, asi inonyungudika muhydrofluoric acid uye aqua regia. Pakupisa kwepamusoro, inogona kuita neasiri-simbi maelementi uye akawanda esimbi maelementi kuumba yakasimba mhinduro. Zirconium ine plastiki yakanaka uye iri nyore kugadzira mahwendefa, waya, nezvimwewo. Zirconium inogona kutora huwandu hwakawanda hwemagasi akadai seokisijeni, hydrogen, uye nitrogen kana inopisa, uye inogona kushandiswa seye hydrogen kuchengetedza zvinhu. Zirconium ine zvirinani corrosion resistance pane titanium, inosvika niobium uye tantalum. Zirconium nehafnium masimbi maviri ane makemikari akafanana, anogara pamwe chete uye ane radioactive zvinhu.
Zirconium isimbi isingawanzo kurongeka inoshamisa, yakanyanyisa kunyungudika, kuoma kwepamusoro-soro uye simba, uye inoshandiswa zvakanyanya mumhepo, mauto, kuita kwenyukireya, uye minda yesimba reatomu. Zvigadzirwa zvetitanium zvisingadziviriri uye zvinodzivirira zvakanyanya zvinoshandiswa paShenzhou VI zvine kushomeka kwekudzikira pane zirconium, ine nzvimbo yekunyungudika inosvika 1600 madhigirii. Zirconium ine nzvimbo yekunyunguduka inopfuura 1800 degrees, uye zirconia ine nzvimbo yekunyunguduka inopfuura 2700 degrees. Naizvozvo, zirconium, sechinhu chemuchadenga, ine hukuru hwepamusoro muzvinhu zvese zvichienzaniswa netitanium.