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Kayayyaki

Niobium
Farashin STP m
Wurin narkewa 2750 K (2477 °C, 4491 °F)
Wurin tafasa 5017 K (4744 °C, 8571 °F)
Yawan yawa (kusa da rt) 8.57 g/cm 3
Zafin fuska 30 kJ/mol
Zafin vaporization 689.9 kJ/mol
Ƙarfin zafin rana 24.60 J/ (mol·K)
Bayyanar launin toka mai launin toka, bluish lokacin da oxidized
  • Niobium Foda

    Niobium Foda

    Niobium Foda (CAS No. 7440-03-1) launin toka ne mai haske tare da babban narkewa da kuma lalata.Yana ɗaukar launin shuɗi lokacin fallasa zuwa iska a yanayin zafi na ɗaki na tsawan lokaci.Niobium wani abu ne mai wuya, mai laushi, mai laushi, mai ƙwanƙwasa, ƙarfe mai launin toka-fari.Yana da tsari mai siffar kubik crystalline mai tushen jiki kuma a cikin sifofinsa na zahiri da sinadarai yana kama da tantalum.Iskar oxygen ta ƙarfe a cikin iska yana farawa a 200 ° C.Niobium, lokacin da aka yi amfani da shi wajen haɗawa, yana inganta ƙarfi.Ana haɓaka kaddarorinsa masu ƙarfi idan aka haɗa su da zirconium.Niobium micron foda ya sami kansa a cikin aikace-aikace daban-daban kamar kayan lantarki, yin alloy, da kuma likitanci saboda kyawawan sinadarai, lantarki, da kayan aikin injiniya.