Sep 28, 2025 Tso lus

Peb hom brass yog dab tsi

1. Peb hom tooj dag yog dabtsi?

Tooj liab yog tus tooj liab loj heev - cov qib tshwj xeeb thiab muaj peb lub zog, thiab cov kev siv- muaj raws li hauv qab no:

(1) alpha tooj dag (qis - dinc brass)

Alpha tooj dag (tseem hu ua "qis tooj daj") muaj30% lossis tsawg dua zinc(Feem ntau 20-30% zinc, nrog cov khoom lag luam tseem khoom). Nws muaj ib qho -}}}} "microsab xeb, thiab corrosion- ib puag ncig ib puag ncig zoo li huab cua lossis dej ntshiab.

Cov Khoom Siv Tseem Ceeb: Muag muag, yooj yim rau txias - ua haujlwm (piv txwv, kos rau hauv cov ntawv txheeb, stamping rau hauv cov ntawv txheeb), thiab zoo heev rau soldering lossis brazing. Nws tsis tau ua brittle ntawm tsawg kub.

Cov qib kawm: UN tsis muaj C23000 ("liab tooj liab," ~ 85% Cu, 15%

Cov Kev Siv Raug Raug: Cov Hluav Taws Xob Hluav Taws Xob, Cov Khaub Ncaws Hnav, Cov Khoom Siv Kho Vajtse, Cov Khoom Siv Hauv Suab Paj Nruag (piv txwv li lub ntsej muag), thiab npib nyiaj (qee cov nyiaj keeb kwm).

(2) alpha -} Beta tooj dag (dual-}}}}}} paim tooj dag / cartridge tooj dag)

Alpha - Beta Brass (tseem hu ua "Duplex tooj liab" lossis "cartridge tooj dag") muaj30-45% Zinc(Feem ntau feem ntau 30-35% zinc). Nws cov microstructure muaj ob qho me me theem thiab beta theem, ntsuas ductility (los ntawm alpha) thiab lub zog / hardness (los ntawm beta). Qhov no ua rau nws haum rau ob qho tib si txias thiab kub ua haujlwm.

Cov Khoom Siv Tseem Ceeb: Muaj zog thiab nyuaj dua alpha tooj dag, nrog cov kev tsim kho zoo ntawm cov kub (piv txwv li, zam, extrusion). Nws khaws cov qauv sib zog los rau kev sib tsoo tab sis yog tsawg dua malalable dua li alpha tooj dag.

Cov qib kawm: UN tsis muaj C26000 ("cartridge tooj dag," ~ 70% Cu, 30%} Lub ntsej muag daj tshaj plaws, "~ 65% CU, 35% ZN).

Cov Kev Siv Raug Raug: Cartridge Casings (Rau Kev Kho Mob Carritition (rau cov mos txwv), cov kav dej kav dej, cov khoom lag luam hauv tsheb), thiab cov ntawv siv hluav taws xob lossis cov qauv tsim qauv.

(3) beta tooj dag (siab - dinc brass)

Beta tooj dag (siab - dinc tooj dag) muaj45-50% zinc(qee zaum txog li 55% zinc). Nws muaj cov beta tseem ceeb tshaj - paim microstructure thiab hardness {} tab sis qis ducility ntawm chav tsev kub. Nws yuav luag tshwj xeeb ntawm kev ua haujlwm kub (txij li kev ua haujlwm txias yuav ua rau nws tawg).

Cov Khoom Siv Tseem Ceeb: Tshwj xeeb muaj zog thiab hnav - tsis kam; Qhov zoo tagnrho rau high- kev siv ntxhov siab. Txawm li cas los xij, nws yog nkig thaum txias thiab muaj qis dua corrosion tsis kam tshaj alpha lossis alpha- beta tooj dag.

Cov qib kawm: UN tsis muaj C28000 ("Muntz Hlau," ~ 60% thiab tsis muaj C36000 ("}}}}}}}}}}

Cov Kev Siv Raug Raug: Marine kho vajtse (piv txwv li, cov ntxaij vab tshaus), kos duab kos duab), cov khoom siv ceev), thiab tshuab cov khoom siv siab (piv txwv, iav Cheebtsam).

2. Dab tsi yog qhov kim tshaj plaws hom tooj dag?

Qhov kim tshaj plaws ntawm tooj dag yog feem ntauTshwj xeeb high - tooj liab, qis - zinc brass qib{{0- Tshwj xeeb yog cov muaj txiaj ntsig nrog cov khoom muaj nqis lossis tsawg dua los txhim kho kev ua tau zoo. Ntawm cov lag luam brasses,Alpha tooj dag (qis - dinc brass)(piv txwv li, tooj dag liab, tsis muaj C23000) feem ntau yog tus nqi ntau, nrog ob qho laj thawj tseem ceeb tsav tsheb nws tus nqi siab:

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Cov khoom siv / tsis tshua muaj hlau rau kev ua haujlwm tshwj xeeb

Txawm tias kim dua li tus qauv alpha tooj yog"Super tooj dag" qib-}} ineoyed nrog cov nqi me me (piv txwv li, lub plab, nyiaj) los ua lub zog, lossis hluav taws xob conductivity, lossis hluav taws xob conductivity. Cov no yog niche, siab - Kev ua tau zoo brasses siv nyob rau hauv cov ntawv thov tseem ceeb uas tus nqi yog theem nrab rau kev ua tau zoo:

Kub -} bearing brass: Siv rau hauv cov hniav nyiaj hniav kub lossis kev ua kom zoo nkauj rau ib qho "kub - zoo li" zoo li tsis muaj tus nqi puv ntawm Kub. Txawm tias 1-2% cov ntsiab lus kub tuaj yeem yuav triple lossis quadruple cov alloy tus nqi.

Nickel - tooj dag (alpaca tooj): Muaj ~ 10-15% npib tsib xee (tus nqi sib hloov tus nqi) ntxiv rau tooj liab thiab zinc. Nws muaj lub ntsej muag zoo nkauj thiab txhim kho corrosion tsis kam, siv nyob rau hauv Khoom kim heev saib cov cuab yeej kim heev, twj paj nruas, lossis marine kho vajtse. Nqi rau nickel -} tooj dag tuaj yeem 50-100% siab dua tooj liab tooj liab.

Lead - dawb siab -} tooj liab tooj dag: Siv nyob rau hauv cov dej muaj peev xwm (ua kom ua raws li cov cai noj qab haus huv) feem ntau suav nrog cov hnoos qeev me lossis bismuth kom muaj kev tswj hwm machinability (hloov cov hmoov txhuas). Cov tshuaj ntxiv no, ua ke nrog cov ntsiab lus tooj liab siab, ua rau lawv kim dua li cov khoom ntaus cim tooj liab.

Ntawm cov ntsiab lus tseem ceeb, muaj dav muaj brasses,Alpha tooj dag (piv txwv li, Brass liab, C23000)yog tus nqi kim tshaj plaws vim nws cov ntsiab lus tooj liab siab. Rau cov ntawv tshwj xeeb, niche kev siv,Brasses txuam nrog cov khoom siv hlau (kub, nyiaj) lossis tsis tshua muaj npe (tsib xee)yog txawm tias cov neeg zoo, raws li lawv cov khoom tshwj xeeb ntawm kev hwm tshaj plaws hauv kev lag luam xws li cov hniav nyiaj hniav kub, lossis khoom siv kho mob.
 

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