Ilimi:Kimiyya

Yanayi na jiki da sunadarai na karafa

Akwai fasaha na fasaha, na jiki, na injiniya da kuma sunadarai na karafa. The jiki sifa musamman nauyi, launi, lantarki watsin. Hanyoyin wannan rukuni sun haɗa da halayyar thermal, fusibility da yawa na karfe.

Ayyuka na injiniyoyi sun hada da filastik, elasticity, hardness, ƙarfi, danko.

Magunguna sunadarai na karafa sun haɗa da juriya na lalacewa, solubility da oxidizability.

Irin waɗannan halaye kamar "fadi", rashin ƙarfi, weldability, ductility, su ne fasaha.

Kayan jiki

  1. Launi. Kasuwanci ba su bari haske ta hanyar, wato, opaque. A cikin haske mai haske kowane kashi yana da inuwa - launi. Daga cikin fasaha na fasaha, kawai jan ƙarfe da allo da jan karfe yana da launi. Don sauran abubuwa, inuwa ta fito ne daga launin azurfa don launin toka-karfe.
  2. Finesse. Wannan halayyar yana nuna ikon haɓakar ƙarƙashin rinjayar zazzabi don shiga cikin ruwa daga ƙasa mai ƙarfi. Fusibility an dauke shi mafi mahimmancin dukiya na karafa. A lokacin yin amfani da dumama, dukkanin karafa daga ma'aunin kwari ya zama ruwa. Lokacin da aka shayar da abu mai launin ruwan sanyi, sauyawar juyin juya halin ya faru - daga ruwa zuwa gagarumar yanayin.
  3. Harkokin wutar lantarki. Wannan halayyar ya nuna ikon da za a canja wurin wutar lantarki kyauta zuwa wutar lantarki. Harkokin wutar lantarki na jikin ƙarfe yana da dubban sau da yawa fiye da na marasa galibi. Yayin da yawan zafin jiki ya ƙaru, haɗin wutar lantarki na haɓaka yana raguwa, kuma lokacin da yawan zafin jiki ya rage, yana ƙaruwa kamar yadda ya kamata. Ya kamata a lura cewa haɗin wutar lantarki na allo zai kasance da ƙananan ƙananan ƙananan ƙarfe fiye da kowane ƙarfe wanda ya haɗa da ƙaran.
  4. Magnetic Properties. Ga abubuwa masu mahimmanci (ferromagnetic), kawai cobalt, nickel, baƙin ƙarfe, da kuma yawan allon su ana la'akari. Duk da haka, yayin zafi zuwa wani zafin jiki, waɗannan abubuwa sun rasa halayen halayen halayen. Abubuwan da aka yi amfani da su na baƙin ƙarfe a cikin dakin da zafin jiki ba ƙarfe ba ne.
  5. Ƙararrawar ƙararrawa. Wannan halayyar tana nuna ikon yaduwar zafi zuwa ƙananan mai tsanani daga jiki mafi tsanani ba tare da motsi na kwakwalwa ba. Ɗaukakaccen haɓakar wutar lantarki yana ba da damar ƙin ƙarfe da kuma sanyaya a hankali da sauri. Daga cikin abubuwan fasaha, jan ƙarfe shine mafi alama.

Matakan in sunadarai sun zama wuri dabam. Kasancewar halaye masu dacewa ya sa ya yiwu a yi amfani da wani abu a wani yanki.

Kasuwancin kaya na karafa

  1. Tsarin jituwa. Cinwanci yana nufin halakar wani abu saboda sakamakon lantarki ko haɗin gwiwar da ke cikin yanayi. Misalin da aka fi sani shine rusting baƙin ƙarfe. Juriya na jigilar jiki tana nufin abubuwa masu mahimmanci na dabi'u da dama. A wannan, abubuwa masu daraja irin su azurfa, zinariya, platinum ana kiransa daraja. Yana yana high lalata juriya na nickel da sauran nonferrous karafa. Ferrous karafa ne batun lalata da sauri da kuma karfi fiye da launi.
  2. Rashin iyawa. Wannan halayyar tana nuna ikon hakin da za a yi tare da O2 a ƙarƙashin rinjayar oxidants.
  3. Solubility. Matakan, wanda ke da sulhunin rashin daidaituwa a cikin jihar ruwa, zai iya samar da mafita mai kyau a kan tabbatarwa. A wadannan mafita sunadaran daya bangaren saka a cikin crystal raga na da sauran yayan kawai a cikin wasu iyaka.

Ya kamata a lura cewa dabi'un jiki da sunadarai na karafa suna daya daga cikin manyan siffofin waɗannan abubuwa.

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