Dab tsi yog qhov muaj zog: steel yeeb nkab lossis hlau yeeb nkab?
Cov yeeb nkab steel thiab hlau yeeb nkab yog ob qho tib si dav siv hauv ntau yam kev lag luam thiab kev siv. Lawv yog cov khoom tseem ceeb hauv kev tsim kho vaj tse, kev tsim kho, kav dej, thiab ntau qhov chaw. Txawm li cas los xij, thaum nws los txog rau lawv lub zog thiab kav ntev, muaj qee qhov sib txawv ntawm ob. Hauv tsab xov xwm no, peb yuav tshawb nrhiav thiab sib piv lub zog ntawm cov yeeb nkab steel thiab cov yeeb nkab hlau, qhia txog lawv cov yam ntxwv tshwj xeeb, qhov zoo, thiab qhov tsis zoo.
Nkag siab cov yeeb nkab steel
Hlau yog ib qho hlau uas ua los ntawm hlau, carbon, thiab lwm yam khoom xws li manganese, silicon, thiab sulfur. Cov ntsiab lus carbon hauv steel yog qhov txawv ntawm cov hlau, ua rau nws muaj zog thiab ntau yam. Cov pa roj carbon steel, tshwj xeeb, feem ntau yog siv rau hauv kev tsim cov kav dej vim nws lub zog thiab kav ntev.
Lub zog ntawm cov yeeb nkab steel
Cov yeeb nkab steel paub txog nws lub zog tshwj xeeb. Nws cov khoom siv zoo tshaj plaws, suav nrog lub zog tensile, lub zog tawm los, thiab kev cuam tshuam tsis zoo, ua rau nws muaj kev xaiv nrov hauv cov ntawv thov uas siv tau ntev yog qhov tseem ceeb. Cov kav hlau muaj peev xwm tiv taus siab, hnyav hnyav, thiab qhov kub thiab txias, ua rau lawv haum rau ntau qhov chaw thiab tej yam kev mob.
Lub zog ntawm cov yeeb nkab steel tuaj yeem raug ntaus nqi rau nws qhov muaj pes tsawg leeg thiab kev tsim khoom. Cov pa roj carbon steel kav yog tsim los ntawm kev sib xyaw molten hlau nrog cov pa roj carbon, uas tsim kom muaj kev sib raug zoo ntawm cov hlau atoms, uas ua rau cov khoom muaj zog thiab ruaj khov. Tsis tas li ntawd, cov kav hlau steel tuaj yeem ntxiv dag zog ntxiv los ntawm ntau yam txheej txheem kho cua sov, xws li quenching thiab tempering, los txhim kho lawv cov khoom siv kho tshuab.
Qhov zoo ntawm cov yeeb nkab steel
Ib qho txiaj ntsig tseem ceeb ntawm cov yeeb nkab steel tshaj hlau yeeb nkab yog nws lub zog zoo dua. Cov kav hlau hlau tuaj yeem tsim los tiv thaiv kev kub siab sab hauv thiab sab nraud, ua rau lawv tsim nyog rau cov ntawv thov xws li cov kav dej thiab cov kav dej, cov dej xa dej, thiab kev txhawb nqa. Lub zog siab ntawm cov kav hlau steel tso cai rau kev thauj mus los ntawm cov kua dej thiab cov pa roj carbon monoxide thaum muaj kev kub ntxhov, ua kom muaj kev nyab xeeb thiab muaj txiaj ntsig ntawm kev xa khoom.
Tsis tas li ntawd, cov kav hlau steel muaj kev tiv thaiv zoo heev rau corrosion, yog ib qho tseem ceeb hauv cov cheeb tsam uas cov kav dej raug cov dej noo, tshuaj, thiab huab cua hnyav. Corrosion tuaj yeem ua rau cov kav dej tsis muaj zog nyob rau lub sijhawm, ua rau cov xau thiab tsis ua haujlwm. Txawm li cas los xij, cov txheej txheem oxide tiv thaiv uas tsim rau ntawm cov kav dej steel pab tiv thaiv corrosion thiab ncua lawv txoj sia.
Cov kav hlau hlau kuj tseem paub txog lawv txoj kev siv ntau yam. Lawv tuaj yeem kho tau yooj yim thiab tsim rau hauv ntau yam duab thiab ntau thiab tsawg kom tau raws li qhov xav tau sib txawv. Cov yeeb nkab steel tuaj nyob rau hauv ntau txoj kab uas hla, phab ntsa thicknesses, thiab ntev, muab kev yooj yim hauv kev tsim thiab kev teeb tsa. Tsis tas li ntawd, cov kav dej steel tuaj yeem welded, soldered, thiab threaded, tso cai rau kev sib txuas yooj yim thiab sib dhos.
To taub Hlau Yeeb
Hlau yeeb nkab, ntawm qhov tod tes, yog hais txog cov kav dej uas ua los ntawm cov hlau los yog cam khwb cia hlau. Hlau yog cov khoom siv muaj zog thiab ruaj khov, tab sis nws tsis muaj lub zog thiab ntau yam ntawm cov hlau vim nws cov ntsiab lus qis dua. Cov kav hlau tau siv dav hauv yav dhau los tab sis tau hloov pauv los ntawm cov kav hlau steel hauv ntau daim ntawv thov.
Lub zog ntawm cov yeeb nkab hlau
Cov kav hlau muaj lub zog nruab nrab tab sis feem ntau tsis tshua muaj zog piv rau cov kav hlau. Lawv cov ntsiab lus qis dua ua rau lawv muaj kev cuam tshuam ntau dua rau kev deformation, tawg, thiab tsis ua haujlwm nyob rau hauv siab siab lossis hnyav. Cov kav hlau tsis raug pom zoo rau cov ntawv thov uas xav tau lub zog siab thiab ua haujlwm rau cov xwm txheej huab cua.
Qhov zoo ntawm cov yeeb nkab hlau
Txawm hais tias cov kav hlau yuav tsis muaj tib theem ntawm lub zog zoo li cov kav hlau, lawv tseem muaj qee qhov zoo hauv cov ntawv thov tshwj xeeb. Ib qho txiaj ntsig tseem ceeb ntawm cov kav hlau hlau yog lawv qhov zoo heev tiv thaiv hluav taws. Vim lawv cov ntsiab lus melting siab, cov kav hlau hlau tuaj yeem tiv taus qhov kub thiab txias yam tsis muaj deformation, ua rau lawv haum rau kev tiv thaiv hluav taws thiab lwm yam kev siv hluav taws xob.
Tsis tas li ntawd, cov kav hlau hlau muaj lub suab nrov zoo, txo cov suab nrov hauv cov kav dej. Qhov zoo no ua rau cov kav hlau zoo dua rau cov ntawv thov uas txo cov suab nrov yog qhov tseem ceeb, xws li cov tsev nyob, tsev kho mob, thiab tsev so.
Cov kav hlau kuj tseem raug nqi zoo piv rau cov kav hlau. Lawv cov nqi tsim khoom qis dua thiab muaj ntau yam ua rau lawv muaj kev xaiv pheej yig dua rau qee qhov kev siv uas lub zog siab tsis yog qhov tseem ceeb.
Xaus
Hauv kev xaus, cov yeeb nkab steel feem ntau muaj zog dua cov yeeb nkab hlau vim nws cov ntsiab lus carbon ntau dua thiab cov khoom siv kho tshuab zoo dua. Cov kav hlau steel muaj lub zog tshwj xeeb, ua haujlwm ntev, thiab tiv thaiv corrosion, ua rau lawv zoo tagnrho rau ntau yam kev siv. Ntawm qhov tod tes, cov kav hlau hlau muaj lub zog nruab nrab thiab muaj qhov zoo xws li hluav taws kub tsis kam thiab suab nrov rwb thaiv tsev. Kev xaiv ntawm cov yeeb nkab steel thiab cov yeeb nkab hlau yog nyob ntawm cov kev cai tshwj xeeb ntawm daim ntawv thov, xav txog yam xws li lub zog, durability, tsis kam mus rau corrosion, thiab cov nqi-zoo.