Kev cuam tshuam ntawm Chemical Elements ntawm Cov Khoom Ntawm Cov Hlau Hlau
Thaum nws los txog rau cov yam ntxwv cuam tshuam rau steel phaj zog, cov tshuaj lom neeg ua si lub luag haujlwm tseem ceeb.Cov khoom sib txawv ntawm cov ntsiab lus thiab kev sib cuam tshuam tuaj yeem hloov pauv cov khoom ntawm cov hlau phaj, nrog rau hardness, lub zog, plasticity, corrosion kuj, thiab lwm yam.
Ua ntej tshaj plaws, carbon yog ib qho tseem ceeb tshaj plaws hauv cov hlau, uas tuaj yeem cuam tshuam qhov hardness thiab lub zog ntawm steel phaj.Cov hlau phaj nrog cov ntsiab lus siab carbon feem ntau muaj zog dua thiab lub zog, tab sis ntawm kev sib raug zoo ntawm qee qhov kev sib tw.Cov ntawv hlau uas muaj cov ntsiab lus qis dua yog cov ductile, tab sis feem ntau tsis muaj zog.Los ntawm kev tswj cov ntsiab lus carbon, cov phaj hlau tsim nyog tuaj yeem xaiv tau raws li qhov xav tau ntawm daim ntawv thov tshwj xeeb.
Lwm lub ntsiab tseem ceeb yog hlau.Hlau yog cov khoom tseem ceeb ntawm cov hlau, uas tuaj yeem muab lub zog thiab plasticity ntawm steel phaj.Nyob rau tib lub sij hawm, lub purity ntawm hlau kuj muaj ib qho tseem ceeb cuam tshuam rau cov khoom ntawm steel daim hlau.High-purity hlau yuav muab tau zoo zog thiab corrosion kuj, thaum hlau nrog impurities ntau dua yuav ua rau brittleness thiab tsis muaj zog ntawm steel phaj.Yog li ntawd, kev tswj cov purity ntawm hlau yog qhov tseem ceeb heev.
Ntxiv nrog rau cov pa roj carbon thiab hlau, muaj qee yam tshuaj lom neeg uas cuam tshuam rau cov khoom ntawm cov hlau phaj.Piv txwv li, ntxiv cov nyiaj tsim nyog ntawm chromium tuaj yeem ua rau muaj kev tiv thaiv corrosion ntawm steel phaj, tso cai rau nws siv tau ntev hauv qhov chaw ntub thiab corrosive.Ntxiv molybdenum tuaj yeem txhim kho lub zog thiab lub zog ntawm cov phaj hlau kom hloov mus rau cov ntawv thov kev ntxhov siab.Qhov sib ntxiv ntawm manganese tuaj yeem txhim kho qhov toughness thiab hnav tsis kam ntawm steel phaj.
Tsis tas li ntawd, cov ntsiab lus ntawm lwm cov ntsiab lus xws li sulfur, phosphorus, nitrogen, oxygen, thiab lwm yam yuav cuam tshuam rau kev ua haujlwm ntawm cov hlau phaj.Kev nce ntawm sulfur thiab phosphorus cov ntsiab lus tuaj yeem ua rau embrittlement ntawm steel phaj, thaum tswj cov pa oxygen thiab nitrogen cov ntsiab lus tuaj yeem txhim kho cov yas thiab tawv ntawm cov hlau phaj.
Nyob rau hauv luv luv, lub zog ntawm cov tshuaj nyob rau hauv cov khoom ntawm steel daim hlau yog complex thiab tseem ceeb.Los ntawm kev tswj hwm cov ntsiab lus ntawm cov ntsiab lus sib txawv, cov ntawv hlau uas ua tau raws li cov kev xav tau tshwj xeeb tuaj yeem tsim tau, xws li lub zog siab, siab hardness, corrosion kuj, thiab lwm yam. Yog li ntawd, kev xav txog cov khoom siv tshuaj yog qhov tseem ceeb hauv kev tsim thiab xaiv cov txheej txheem ntawm cov khoom steel. .