Hom tooj dag muaj dab tsi
Jul 02, 2022
Kev faib cov tooj dag tuaj yeem muab faib ua: tooj dag zoo tib yam thiab tooj dag tshwj xeeb.
(1) Plain tooj dag. Nws yog ib qho alloy ntawm tooj liab thiab zinc.
Kev faib cov tooj dag zoo tib yam: thaum zinc cov ntsiab lus tsawg dua 39 feem pua, zinc tuaj yeem yaj hauv tooj liab los ua ib theem, hu ua ib theem tooj dag, zoo plasticity, haum rau kev ua haujlwm kub thiab txias. Thaum cov zinc cov ntsiab lus ntau dua 39 feem pua, muaj ib theem thiab tooj liab thiab zinc raws li B cov khoom tov, hu ua dual-theem tooj dag, B ua rau cov yas me me thiab tensile lub zog nce, tsuas yog tsim rau thermal siab ua. Yog hais tias qhov loj feem ntawm zinc tseem nce ntxiv, lub zog tensile yuav txo qis thiab nws tsis muaj txiaj ntsig.
Brass alloys uas muaj tsawg dua 36 feem pua 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 feem pua zinc feem ntau yog siv los 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 feem pua yog tsim los ntawm cov kev daws teeb meem, uas feem ntau siv yog hexagonal tooj dag nrog zinc cov ntsiab lus ntawm 40 feem pua.
Feem ntau, ib leeg-theem tooj dag yog siv rau kev ua kom txias deformation thiab dual-theem tooj dag yog siv rau kev ua kub deformation.
(2) tooj dag tshwj xeeb. Qhov sib ntxiv ntawm lwm cov ntsiab lus alloying rau cov tooj dag uas muaj nyob rau hauv qhov muaj pes tsawg leeg ntawm ntau cov alloys hu ua tooj dag. Feem ntau cov ntsiab lus ntxiv yog txhuas, tin, txhuas, thiab lwm yam, tuaj yeem hu ua txhuas tooj dag, tooj dag, txhuas tooj dag. Lub hom phiaj ntawm kev ntxiv cov ntsiab lus alloying. Nws yog tsuas yog los txhim kho lub zog tensile los txhim kho cov txheej txheem.
Tshwj xeeb tooj dag yog cais raws li:
Lead brass: Lead yog insoluble nyob rau hauv tooj dag thiab muab faib raws li ib tug dawb particle ntawm grain ciam teb. Lead tooj dag muaj ob hom thiab (ntxiv) raws li nws cov qauv. txhuas tooj dag tuaj yeem tsuas yog txias deformed lossis kub extruded vim tias muaj kev phom sij loj ntawm cov hlau lead thiab cov yas qis ntawm qhov kub thiab txias. (ntxiv) txhuas tooj dag muaj cov yas zoo ntawm qhov kub thiab txias thiab tuaj yeem ua rau forged.
Tin tooj dag: qhov sib ntxiv ntawm cov tin hauv tooj dag tuaj yeem txhim kho cov cua sov ntawm cov hlau, tshwj xeeb tshaj yog lub peev xwm los txhim kho corrosion kuj ntawm seawater, yog li tin tooj dag hu ua "navy brass".
Manganese tooj dag: Manganese muaj ntau dua solubility hauv cov tooj dag. Lub zog thiab corrosion kuj ntawm cov alloy tuaj yeem txhim kho tau zoo yam tsis tas yuav txo cov ductility los ntawm kev ntxiv 1% ~ 4 feem pua manganese rau hauv tooj dag.
Yog tias koj muaj lus nug, thov hu rau peb. Peb lub tuam txhab tuaj yeem tsim ntau yam koob txhaj tshuaj, koob tshuaj kho mob, koob txhaj tshuaj, koob tshuaj hypodermic, koob txhaj tshuaj, koob tshuaj tiv thaiv kab mob, koob txhaj tshuaj, koob txhaj tshuaj, koob txhaj tshuaj, koob xaum koob, koob ovum khaws koob, koob txhaj tshuaj, thiab lwm yam Yog tias koj xav tau kev kho koob cov khoom, thov hu rau peb. Peb tos ntsoov rau koj qhov kev nug! Qhov zoo ntawm cov khoom tsim nyob rau hauv peb lub Hoobkas yuav txaus siab rau koj!
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