tooj dag nrog zinc vim lub ntsiab ntsiab ntawm lubtooj liab alloy, nrog cov xim daj zoo nkauj, suav hais tias yog tooj dag. Tooj zinc binary alloy yog hu ua tooj dag zoo tib yam lossis tooj dag yooj yim. Brass nrog peb yuan yog hu ua tooj dag tshwj xeeb lossis tooj dag complex. Brass alloys uas muaj tab sis 36% zinc yog tsim los ntawm cov kev daws teeb meem thiab muaj kev ua haujlwm txias txias. Piv txwv li, tooj dag uas muaj 30% zinc feem ntau tsis tuaj yeem ua cov plhaub plhaub, feem ntau hu ua plhaub tooj dag lossis xya caum-peb tooj dag. Brass alloys nrog zinc cov ntsiab lus ntawm 36 thiab 42% yog tsim los ntawm cov kev daws teeb meem, uas feem ntau siv yog hexagonal tooj dag nrog zinc cov ntsiab lus ntawm 40%. yog li txhawm rau txhawb kev ua tau zoo ntawm cov tooj dag zoo tib yam, lwm cov ntsiab lus feem ntau ntxiv, xws li txhuas, npib tsib xee, manganese, tin, silicon, txhuas thiab tom qab ntawd. Aluminium tuaj yeem txhim kho lub zog, hardness thiab corrosion kuj ntawm tooj dag, tab sis txo cov yas, yog li nws tsim nyog rau Marine condensing hlab thiab lwm yam corrosion resistant qhov chaw. Tin tuaj yeem txhim kho lub zog ntawm tooj dag thiab corrosion tsis kam rau cov dej hiav txwv, yog li nws hu ua Tobin bronze, siv rau nkoj thermal khoom thiab cov kiv cua. Lead tuaj yeem txhim kho qhov kev ua haujlwm ntawm cov tooj dag. Qhov no dawb txiav tooj dag yog feem ntau siv los ua lub moos. Brass castings feem ntau accustomed ua li qub thiab kav dej fittings.
Bronze Ameslikas hais txog tooj liab-tin alloy, tom qab tooj liab alloys tshwj tsis yog tooj dag thiab dawb tooj liab yog txhua tus hu ua bronze, thiab bronze feem ntau yog ua ntej los ntawm lub npe ntawm lub ntsiab tseem ceeb ntxiv. Tin bronze muaj kev ua haujlwm zoo casting, kev sib txhuam txo kev ua haujlwm thiab cov khoom siv kho tshuab, tsim rau kev tsim cov bearings, iav log thiab tom qab ntawd. Lead bronze tej zaum yuav yog cov khoom siv dav siv hauv cov tshuab niaj hnub thiab cov tshuab sib tsoo. tooj liab-base alloy muaj lub zog siab, hnav tsis kam thiab corrosion kuj. nws yog siv rau casting zog, bushings thiab Marine propellers nrog siab load. bronze thiab phosphatic bronze muaj siab elastic txwv thiab zoo hluav taws xob conductivity, ua rau lawv tsim nyog rau kev tsim cov precision springs thiab tangency ntsiab. bronze kuj tseem siv rau hauv kev tsim cov khoom siv hluav taws xob uas tsis muaj hluav taws xob ua haujlwm hauv cov mines thiab cov roj detankers.
Ib tug tooj liab alloy nrog npib tsib xee vim lub ntsiab additive ntsiab. Cu-ni binary alloy muaj npe zoo tib yam dawb tooj liab; Ntxiv manganese, hlau, zinc, txhuas thiab lwm yam khoom ntawm dawb tooj liab alloy hu ua complex tooj liab. Kev lag luam dawb tooj liab tau muab faib ua cov qauv dawb tooj liab thiab hluav taws xob dawb tooj liab ob pawg. Cov qauv ntawm tooj liab dawb yog tus cwj pwm los ntawm cov khoom siv zoo thiab kev tiv thaiv corrosion, xim zoo nkauj. Cov tooj liab dawb yog dav siv nyob rau hauv precision machinery, tshuaj machinery thiab Marine Cheebtsam.
Copper tau txais nws lub npe los ntawm nws cov xim liab. nws tsis tas yuav ntshiab tooj liab, thiab qee zaum me ntsis ntawm cov ntsiab lus deoxidation lossis lwm cov ntsiab lus ntxiv los txhawb cov ntaub thiab kev ua tau zoo, yog li nws kuj tau muab faib ua tooj liab. Raws li cov khoom ntawm Suav tooj liab ua cov ntaub ntawv feem ntau muab faib ua plaub pawg: tooj liab zoo tib yam, oxygen-dawb tooj liab, deoxidized tooj liab, tshwj xeeb tooj liab nrog tsawg npaum li cas ntawm alloying ntsiab. Tooj liab yog qhov thib ob tsuas yog nyiaj hauv cov khoom siv hluav taws xob thiab thermal conductivity, thiab tau siv dav hauv kev sib dhos ntawm cov khoom siv hluav taws xob thiab thermal conductive. Tooj liab nyob rau hauv cov huab cua, dej hiav txwv thiab ob peb non-oxidizing acids, alkali, ntsev tov thiab ib tug kis ntawm organic acids (acetic acid, citric acid), muaj zoo corrosion kuj, ua hauj lwm nyob rau hauv kev lag luam. Tsis tas li ntawd, liab tooj liab muaj qhov zoo weldability, yog tsim rau hauv ntau yam khoom siv ua tiav thiab cov khoom tiav los ntawm kev ua haujlwm txias thiab thermoplastic.
Post lub sij hawm: Dec-22-2021