Cov qauv siv lead ua thiab muaj pes tsawg leeg ntawm bronze bushings tsuas yog nyob ntawm lawv cov tshuaj muaj pes tsawg leeg. Bronze yog ib qho alloy ntawm tooj liab thiab tin, feem ntau muaj 8-14% tin. Cov qauv siv lead ua ntawm cov hlau no feem ntau txiav txim siab los ntawm kev teeb tsa ntawm tooj liab thiab tin atoms.
Nyob rau hauv bronze, tooj liab thiab tin atoms tsim ib tug sib xyaw siv lead ua qauv hu ua ib tug khoom tov. Ib qho kev daws teeb meem yog ib qho qauv uas ob lossis ntau dua hlau atoms yaj rau hauv ib leeg hauv ib lub lattice. Hauv bronze, tooj liab thiab tin atoms sib pauv txoj haujlwm nrog ib leeg los tsim cov qauv sib npaug sib npaug.
Cov qauv siv lead ua ntawm bronze bushings tuaj yeem muab faib ua ob hom: alpha theem thiab beta theem. Ntawm qhov kub sib txawv, cov qauv siv lead ua ntawm bronze hloov.
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