Qhov zoo ntawm silicon carbon alloy

Siv silicon carbon alloy los daws cov khoom nyoos molten steel ntawm grey cam khwb cia hlau tuaj yeem hloov pauv cov yam ntxwv siv lead ua ntawm cov hlau molten, txo qhov sib txawv ntawm lub qhov ncauj thiab tshem tawm cov hmoov tshauv ntawm lub qhov ncauj. Txoj kev nyiam ntawm lub rooj vag tshauv mus rau lub rooj vag tshauv rov qab yog cuam tshuam nrog lub peev xwm tsim hluav taws xob nuclear ntawm siab purity graphite. Nws tuaj yeem hnov ​​​​tias silicon carbon alloy muaj kev siv tswv yim rau cov tshuaj molten steel qub. Kev siv tsis muaj zog ntawm silicon carbon alloy tom qab kev daws teeb meem tom qab tsim yog tej zaum vim yog qhov sib txuam ntawm cov nyhuv graphitization tom qab tsim thiab siv cov silicon carbon alloy. Txawm li cas los xij, nws xav tias cov tshuaj silicon-carbon alloy tuaj yeem ua rau tsis muaj zog ntawm kev sib koom ua ke ntawm cov txheej txheem condensation thiab cov tshuaj tom qab tsim, uas tuaj yeem txhim kho kev ntseeg siab ntawm cov yam ntxwv ntawm cov txheej txheem. Silicon-carbon alloy yog txawv los ntawm ferrosilicon, silicon-carbon alloy muaj ib tug heev solubility point, thiab ces molten hlau tsis melting tab sis maj melting, nyob rau hauv tag nrho cov txheej txheem ntawm melting los qhia ib ncig ntawm silicon atoms thiab oxygen atoms. Thaum Si-C alloy yog melted nyob rau hauv molten hlau, tag nrho-txheej zoo high-purity graphite hais yog generated nyob ib ncig ntawm nws. Txawm hais tias xws li high-purity graphite hais tuaj yeem rov ua dua, cov txheej txheem tag nrho cov pa oxygen atom pawg tuam txhab tsim tawm. Lub tuam txhab oxygen atom pawg tuam txhab no yog qhov yooj yim supercooling ntawm high-purity graphite Cheebtsam tom qab.

Silicon carbon alloy tuaj yeem ua kom zoo dua cov siv lead ua, txhim kho lub zog compressive, txhim kho cov ductility, tiv thaiv cov dej ntws tawm, kom cov khib nyiab txo qis, tus nqi rov qab txo qis, ntxiv rau silicon carbon alloy yog yooj yim siv, ntim hnab, yooj yim. khaws cia. Nws yog qhov yooj yim heev los tuav cov nyiaj thov thiab tom qab ntawd ntau cov hlau khib nyiab tuaj yeem muab ntxiv kom tau txais qhov zoo tshaj plaws casting qhov chaw. Silicon carbon alloy tseem tuaj yeem hloov 75 ferrosilicon, txo kev siv cov carburizing tus neeg sawv cev thiab txo tus nqi forging.