Khoom Taw Qhia

Qhov sib txawv ntawm tooj liab thiab tooj dag pob qij txha

1. Qhov txawv ntawm kev txhais: tooj dag, los ntawm kev txhais, yog ib qho alloy ntawm tooj liab thiab zinc. Yog tias nws tsuas yog tsim los ntawm ob lub ntsiab lus ntawm cov tooj dag zoo tib yam, tab sis yog tias nws yog tsim los ntawm ob lub ntsiab lus, nws yog tooj dag tshwj xeeb. Ntshav tooj liab yog ib hom tooj liab ntshiab. Vim nws cov xim liab liab, nws tseem hu ua ntshav tooj liab.

2. Qhov txawv ntawm cov xim xim: Thaum peb saib cov xim liab liab thiab tooj dag, peb yuav pom tias cov xim ntawm cov tooj dag feem ntau yog xim daj, uas yog glossy dua, tab sis tooj liab yog sawv liab, uas yog glossy, yog li peb muaj peev xwm paub qhov txawv ntawm lawv. los ntawm lawv cov tsos xim.

3. Qhov sib txawv: Cov khoom tseem ceeb ntawm cov tooj liab liab yog tooj liab, muaj cov ntsiab lus tooj liab txog li 99.9%. Txawm li cas los xij, cov khoom siv hauv cov tooj dag yog tooj liab thiab zinc, thiab cov tooj dag tshwj xeeb tuaj yeem muaj lwm cov ntawv xov xwm, yog li nws tuaj yeem paub qhov txawv ntawm nws cov muaj pes tsawg leeg.

4. Lub zog sib txawv: liab tooj liab thiab tooj dag muaj lub zog sib txawv, thiab peb tuaj yeem paub qhov txawv ntawm lawv lub zog. Brass muaj ntau yam khoom, yog li lub zog ntawm tooj dag feem ntau siab dua. Txawm li cas los xij, qhov tseem ceeb ntawm cov tooj liab liab yog tooj liab, uas yuav luag tsis muaj impurities, yog li lub zog ntawm tooj liab liab yog qhov tsawg.

5. Qhov txawv txawv: qhov ntom ntom ntawm tooj liab yog 8. {{}}. 95, yog li lub ntom ntawm tooj liab thiab tooj dag yog qhov siab dua, thaum lub ntom ntom ntawm tooj dag yog qis dua.

6. Qhov sib txawv ntawm cov conductivity: Vim muaj tooj liab nyob rau hauv ob qho tib si tooj liab thiab tooj dag, lawv tuaj yeem ua hluav taws xob. Txawm li cas los xij, muaj pes tsawg leeg ntawm tooj liab thiab tooj dag kuj sib txawv, yog li cov conductivity ntawm tooj liab thiab tooj dag sib txawv. Brass muaj ntau yam khoom, yog li cov conductivity kuj tsawg. Lub ntsiab tseem ceeb ntawm tooj liab yog tooj liab, yog li cov conductivity ntawm tooj liab kuj tsawg.

7. Qhov sib txawv ntawm corrosion kuj thiab txiav kev ua tau zoo: tooj dag muaj me ntsis tsis zoo corrosion kuj tab sis zoo txiav kev ua tau zoo, thaum tooj liab muaj corrosion kuj zoo dua tab sis kev ua haujlwm tsis zoo.

Kev nthuav dav

Tooj liab, tseem hu ua ntshav tooj liab, yog ib lub caij ntawm tooj liab, muaj npe tom qab nws cov xim liab liab. Txhua qhov kev ua tau zoo tuaj yeem pom hauv tooj liab. Siv cov tooj liab ntshiab ntshiab, nrog lub melting point ntawm 1083 degree, tsis muaj isomeric transformation, thiab ib tug txheeb ze ntom ntawm 8.9, uas yog tsib npaug ntawm magnesium. Cov hlau loj ntawm tib lub ntim yog li 15% hnyav dua li cov hlau zoo tib yam.

Vim yog cov xim liab liab ntawm ntshav tooj liab, uas tsim cov yeeb yaj kiab oxide rau ntawm qhov chaw thiab hloov ntshav, nws feem ntau hu ua ntshav tooj liab. Tooj liab yog ib hom tooj liab uas muaj qee yam ntawm cov pa oxygen, yog li nws tseem hu ua oxygen-muaj tooj liab.

Flavonoids yog cov hlau uas muaj tooj liab thiab zinc, thiab tooj dag ua los ntawm tooj liab thiab zinc hu ua tooj dag zoo tib yam. Yog tias cov hlau muaj ob lossis ntau lub ntsiab lus, nws yog hu ua tooj dag tshwj xeeb. Brass muaj zog hnav tsis kam, thiab tooj dag feem ntau siv rau hauv kev tsim cov li qub, cov kav dej, cua txias sab hauv thiab sab nraud fittings, thiab radiators.

Cov khoom siv tooj liab ntxov tshaj plaws nyob hauv lub ntiaj teb no feem ntau yog nyob rau sab hnub poob Asia, xws li hauv thaj tsam Zawi Chumi ntawm Iraq, qhov chaw uas cov khoom siv tooj liab tau pom, yos rov qab li ntawm 10000 txog 9000 BC; Copper ornaments tau pom nyob rau hauv thaj av Ali Kashgar ntawm sab hnub poob Iran, yos rov qab kwv yees li 9000 txog 7000 BC. Cov khoom yog txhua yam ua los ntawm ntuj liab tooj liab, es tsis yog tooj liab ua los ntawm smelting ore.

Peb yog cov chaw tsim khoom ntawm Brass alloy txoj cai kaum sib koom ua ke poob ciab castings, yog tias koj xav tau cov ntaub ntawv ntxiv thov hu rau peb!

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Copper Silica Sol Investment Casting