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Cov ntaub ntawv twg yooj yim rau oxidize, tin bronze phaj lossis tin phosphor bronze

May 14, 2021

Phosphorus yog qhov zoo deoxidizer rau alloys tooj liab, uas tuaj yeem ua rau kom muaj qhov npliag ntawm qhov ntau ntxiv, txhim kho cov txheej txheem thiab cov cuab yeej muaj zog ntawm tin bronze daim hlau, tab sis nce qib ntawm kev sib cais sib cais. Qhov kawg solubility ntawm phosphorus nyob rau hauv tin bronze phaj yog 0.15%. Thaum nws ntau dhau lawm, {+ δ + Cu3P ternary eutectic yuav tsim, nrog lub ntsiab lus ploj ntawm 628 ℃. Nws yog qhov yooj yim los tsim kub brittleness thaum kub dov thiab tuaj yeem tsuas yog ua haujlwm txias. Yog li ntawd, phosphorus cov ntsiab lus nyob rau hauv deformed tin bronze phaj yuav tsum tsis txhob ntau dua 0.5%, thiab cov phosphorus yuav tsum tsawg dua 0.25% thaum lub sijhawm ua haujlwm kub.

Bronze nrog tin ua lub ntsiab ntawm kev alloying. Cov ntsiab lus tin feem ntau ntawm 3 mus rau 14%, uas yog siv los ua cov cheebtsam ywj pheej thiab cov khoom siv tiv taus kev tiv thaiv. Cov ntsiab lus ntsiab lus ntawm deformed tin bronze phaj tsis tshaj 8%, thiab qee zaum phosphorus, hmoov txhuas, zinc thiab lwm yam ntsiab lus tau ntxiv. Phosphorus yog qhov zoo deoxidizer thiab tseem tuaj yeem txhim kho fluidity thiab hnav tsis kam. Ntxiv cov hmoov txhuas ua rau cov tin bronze phaj tuaj yeem txhim kho tau qhov kev siv tshuab thiab hnav tsis kam, thiab ntxiv cov zinc tuaj yeem txhim kho qhov kev ua haujlwm casting. Cov alloy no muaj cov cuab yeej zoo, los tiv thaiv kev hnav thiab kev tiv thaiv corrosion, yooj yim txiav ua, zoo nkauj thiab vuam khoom, me me shrinkage coefficient, thiab tsis-sib nqus.

Cov nplaim hluavtaws hlau txau thiab hluav taws xob arc txau tuaj yeem siv los npaj cov txheej txheej xws li tooj liab bushings, tsho tes tsho, cov ntsiab lus sib npaug, thiab lwm yam. Qhov loj ntawm tin bronze phaj yog Ф1.6mm, Ф2.3mm. Nws muaj lub zog muaj zog, tiv thaiv corrosion thiab ua tau zoo casting zoo. Nws tau dav siv hauv ntau qhov kev lag luam hauv lub sijhawm ntev.

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