A High Performance Aluminium Alloy: Al-Sc Alloy

A High Performance Aluminium Alloy: Al-Sc Alloy

Al-Sc alloy yog ib hom kev ua haujlwm siab aluminium alloy. Muaj ntau ntau txoj hauv kev los txhim kho kev ua tau zoo ntawm aluminium alloy, ntawm cov uas micro-alloying ntxiv dag zog rau thiab toughening yog lub frontier teb ntawm high-performance aluminium alloy kev tshawb fawb nyob rau hauv tsis ntev los no 20 xyoo.

Lub melting point ntawm scandium yog 1541 ℃, thiab cov txhuas yog 660 ℃, yog li scandium yuav tsum tau ntxiv rau aluminium alloy nyob rau hauv daim ntawv ntawm master alloy, uas yog cov tseem ceeb raw khoom rau kev npaj txhuas alloy uas muaj scandium. Muaj ntau txoj hauv kev los npaj cov khoom siv hlau, xws li doping txoj kev, scandium fluoride, scandium oxide hlau thermal txo txoj kev, molten ntsev electrolysis txoj kev thiab hais txog. “

Txoj kev doping yog ncaj qha ntxiv hlau scandium rau aluminium alloy, uas yog kim, hlawv poob hauv cov txheej txheem smelting thiab tus nqi siab ntawm tus tswv alloy.

Toxic hydrogen fluoride yog siv rau hauv kev npaj ntawm scandium fluoride los ntawm cov hlau thermal txo txoj kev ntawm scandium fluoride, uas muaj cov cuab yeej nyuaj thiab cov hlau thermal txo qhov kub.

Tus nqi rov qab ntawm scandium los ntawm cov hlau thermal txo ntawm scandium oxide tsuas yog 80%;

Lub molten ntsev electrolysis ntaus ntawv yog complex thiab tus conversion tsis siab.

Tom qab sib piv thiab xaiv, nws yog qhov tsim nyog los npaj Al-Sc master alloy los ntawm kev siv ScCl molten ntsev Al-Mg thermal txo txoj kev.

Kev siv:

Ntxiv cov kab scandium rau aluminium alloy tuaj yeem txhawb nqa cov nplej ua kom zoo dua qub thiab nce qhov kub ntawm recrystallization los ntawm 250℃~ 280℃. Nws yog ib qho tseem ceeb ntawm cov nplej refiner thiab muaj txiaj ntsig zoo recrystallization inhibitor rau aluminium alloy, uas muaj kev cuam tshuam zoo rau th.e qauv thiab cov khoom ntawm cov alloy thiab zoo heev txhim kho nws lub zog, hardness, weldability thiab corrosion kuj.

Scandium muaj qhov cuam tshuam zoo rau kev ua kom muaj zog ntawm txhuas, thiab tswj cov qauv ruaj khov uas tsis yog-recrystallized hauv kev ua haujlwm kub lossis kev kho mob annealing. Qee cov alloys yog cov ntawv txias dov nrog zoo deformation, uas tseem tuav cov qauv no txawm tias tom qab annealing. Qhov inhibition ntawm scandium ntawm recrystallization tuaj yeem tshem tawm cov qauv recrystallization nyob rau hauv tshav kub cuam tshuam ntawm weld, cov qauv subgrain ntawm matrix tuaj yeem raug xa ncaj qha mus rau cov qauv cam khwb cia ntawm cov weld, uas ua rau cov welded sib koom ua ke ntawm aluminium alloy uas muaj scandium muaj. siab zog thiab corrosion kuj.

Cov nyhuv ntawm scandium ntawm corrosion kuj ntawm aluminium alloy kuj yog vim cov nplej refinement thiab inhibition ntawm recrystallization txheej txheem.

Qhov sib ntxiv ntawm scandium kuj tseem tuaj yeem ua rau aluminium alloy muaj superplasticity zoo, thiab elongation ntawm aluminium alloy nrog 0.5% scandium tuaj yeem ncav cuag 1100% tom qab kho superplastic.

Yog li ntawd, Al-Sc alloy yuav tsum dhau los ua ib tiam tshiab ntawm cov khoom siv sib sib zog nqus rau aerospace, aviation thiab nkoj kev lag luam, uas yog tsuas yog siv rau vuam load structural seem ntawm aerospace, aviation thiab nkoj, aluminium alloy kav rau alkaline corrosive nruab nrab ib puag ncig, railway roj tanks, cov txheej txheem tseem ceeb ntawm cov tsheb ciav hlau ceev, thiab lwm yam

Daim ntawv thov prospect:

Sc-muaj txhuas alloy muaj ib tug dav daim ntawv thov kev cia siab nyob rau hauv high-tech departments xws li nkoj, aerospace kev lag luam, foob pob ua ntxaij thiab missile, nuclear zog, thiab lwm yam. Los ntawm kev ntxiv trace scandium, nws cia siab tias yuav tsim ib tug series ntawm tshiab-tiam kev ua tau zoo. aluminium alloy cov ntaub ntawv raws li cov uas twb muaj lawm aluminium alloy, xws li ultra-siab zog thiab siab toughness aluminium alloy, high-strength corrosion-resistant aluminium alloy, high-strength neutron irradiation resistant aluminium alloy thiab lwm yam.Cov alloys yuav muaj ib tug zoo nkauj heev. daim ntawv thov kev cia siab nyob rau hauv aerospace, nuclear zog thiab shipbuilding industries vim hais tias ntawm lawv zoo heev cov khoom, thiab kuj yuav siv tau nyob rau hauv lub teeb tsheb thiab high-ceev tsheb ciav hlau. Yog li ntawd, scandium-muaj aluminium alloy tau dhau los ua lwm qhov zoo nkauj thiab muaj kev sib tw zoo tshaj plaws aluminium alloy structural khoom tom qab AlLi alloy.Tuam Tshoj yog nplua nuj nyob rau hauv scandium cov kev pab cuam thiab muaj ib tug tej lub hauv paus rau scandium kev tshawb fawb thiab industrial ntau lawm, uas tseem yog lub ntsiab exporter ntawm scandium oxide. Nws yog qhov tseem ceeb ntawm lub sijhawm tsim cov khoom siv aluminium alloy rau high-tech thiab lub teb chaws tiv thaiv kev tsim kho hauv Suav teb, thiab nws tuaj yeem AlSc muab kev ua si tag nrho rau qhov zoo ntawm cov peev txheej scandium hauv Suav teb thiab txhawb kev txhim kho kev lag luam scandium thiab kev lag luam hauv tebchaws hauv Suav teb. .