Aluminium titanium boron master alloy AlTiB intermediate alloy hmoov

Siv: Nws yog tsim rau cov nplej refinement ntawm txhuas thiab txhuas alloys, thiab muaj ib tug tseem ceeb cov nyhuv ntawm cov nplej refinement ntawm txhuas matrix ntawm cam khwb cia txhuas alloys;Nws tso cai rau cov casting kom tau zoo equiaxed crystals, tshem tawm feather crystals thiab columnar crystals, thiab txhim kho nyob rau hauv lub microstructure muaj peev xwm kov yeej casting tej kab nrib pleb, txhim kho cov tsos ntawm castings, thiab txo qhov txias rwb thaiv tsev ntawm ingots;Vim lub refining nyhuv ntawm cov additive heterogeneous nuclei, nws yuav ua tau zoo txo qhov pores thiab porosity nyob rau tib lub sij hawm, ho txhim kho lub casting billet, cam khwb cia qws los yog Elongation ntawm castings.

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Cov lus qhia rau kev siv: Cov txheej txheem ntawm kev ntxiv titanium boron grain refiner yog yooj yim heev, thiab tus nqi ntawm refiner yuav tsum ncaj qha mus rau hauv lub pas dej ua ke aluminium.Thaum lub sij hawm lub dab dej, cov tshuaj tiv thaiv pib, thiab vim yog cov roj tsim ntawm ntsev, ib tug loj npaum li cas ntawm cov roj yog generated nyob ib ncig ntawm lub block, thiab lub block floats.Thaum lub nce toj, cov roj nyob ib ncig ntawm lub block khiav tawm thiab lub block dab dej.Hauv kev rov nce thiab nqis, kom txog thaum cov tshuaj tiv thaiv tiav.Titanium nyob rau hauv ntau reacts nrog boron thiab txhuas los ua TiAI3 thiab TiB2 los yog (AITi) B2 tsim cov tub ntxhais ntawm txhuas nplej, thiab thaum lub sij hawm cov tshuaj tiv thaiv, fumes thiab nplaim hluav taws yog generated nyob rau hauv lub nto ntawm txhuas yaj.Raws li ib txwm muaj, cov xim ntawm cov nplaim yog dawb, liab thiab xiav, thiab qhov siab ntawm cov nplaim taws yog li 200 hli.Vim lub gasification ntawm lub flux, aluminium yaj nyob ib ncig ntawm lub block yog purified.Nyob rau hauv txoj kev no, titanium thiab boron yog absorbed mus rau qhov siab tshaj plaws los ntawm txhuas yaj thiab tag nrho ua lub luag hauj lwm ntawm grain core.
Ntim: 500 grams ib thooj, 2 kilograms ib lub hnab, 20 kilograms ib thawv, titanium ntsiab lus ≥ 30 (%)
Lub neej txee: 10 lub hlis;khaws cia rau hauv qhov chaw qhuav, txias thiab qhov cua, thiab nruj me ntsis txwv tsis pub ya raws kom tsis txhob deterioration."