Dab tsi yog cov khoom ntawm tooj dag

Brass yog ib qho alloy ntawm tooj liab thiab zinc. Yog tias tooj dag tsuas yog ua los ntawm tooj liab thiab zinc, nws yog hu ua tooj dag. Brass yog feem ntau siv rau hauv kev tsim cov li qub, cov kav dej, cua txias sab hauv thiab sab nraud tshuab txuas cov kav dej thiab radiators. Kev nkag siab zoo ntawm cov yam ntxwv ntawm tooj dag yog qhov tseem ceeb heev rau kev siv tooj dag thiab kev txhim kho ntawm kev lag luam tooj dag.

Mechanical PROPERTIES NTAWM COMMON BRASS: BRASS muaj qhov sib txawv ntawm cov khoom siv hlau vim muaj qhov sib txawv ntawm zinc. FIG. 7 qhia qhov nkhaus ntawm txhua yam khoom ntawm tooj dag nrog cov ntsiab lus zinc sib txawv. Rau tooj dag, σb thiab δ nce nrog nce zinc cov ntsiab lus. Rau (ntxiv) tooj dag, lub zog nce ntawm chav tsev kub kom txog thaum zinc cov ntsiab lus nce mus txog 45 feem pua. Yog hais tias cov ntsiab lus zinc ntxiv ntxiv, lub zog yuav txo qis vim qhov pom ntawm qhov r r theem ntau dua (cov kua tshuaj raws li Cu5Zn8 compound) hauv cov qauv alloy. Lub ductility ntawm (ntxiv) tooj dag nyob rau hauv chav tsev kub ib txwm txo qis nrog nce zinc cov ntsiab lus.

Cov khoom ntawm cov tooj dag tshwj xeeb: cov thiab theem hauv cov tooj dag tshwj xeeb yog ntau cov kev daws teeb meem nyuaj, thiab lawv cov txiaj ntsig ntxiv yog qhov loj dua, thaum lub sij hawm thiab cov theem hauv cov tooj dag zoo tib yam yog cov yooj yim Cu-Zn cov kev daws teeb meem, thiab lawv cov kev txhawb zog qis dua. Txawm hais tias cov zinc sib npaug sib piv, cov khoom ntawm cov khoom sib npaug ntawm cov khoom sib txawv yog qhov sib txawv ntawm cov khoom siv yooj yim binary. Yog li ntawd, ib qho me me ntawm ntau yam ntxiv dag zog yog ib txoj hauv kev los txhim kho cov khoom ntawm alloys.

Cov yam ntxwv ntawm cov hmoov txhuas txhuas: Cov hmoov txhuas yog qhov tsis zoo hauv cov tooj dag thiab muab faib rau ntawm cov ciam teb raws li cov khoom dawb. Lead tooj dag muaj thiab (ntxiv) raws li nws cov qauv. Vim muaj kev phom sij ntawm cov hlau lead, -lead tooj dag muaj cov yas qis heev ntawm qhov kub thiab txias, yog li nws tsuas yog txias deformed lossis kub extruded. (ntxiv) txhuas tooj dag muaj cov yas zoo ntawm qhov kub thiab txias thiab tuaj yeem ua rau forged. Tin BRASS: THOV NYIAJ ntxiv ntawm tin hauv BRASS, tuaj yeem pom tseeb txhim kho cov cua sov ntawm cov hlau, tshwj xeeb tshaj yog txhim kho lub peev xwm ntawm corrosion tsis kam rau seawater, yog li tin tooj dag muaj "navy tooj dag" hais.

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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