1. Ingero zo gusaba
1 board Ikibaho
Mu myaka ya za 1960, Toyota Motor Company yakoresheje bwa mbere tekinoroji yubusa. Nuguhuza impapuro ebyiri cyangwa nyinshi hamwe no gusudira hanyuma ukabishyiraho kashe. Izi mpapuro zirashobora kugira ubunini butandukanye, ibikoresho, nibintu. Bitewe nibisabwa cyane kubikorwa byimodoka nibikorwa nko kuzigama ingufu, kurengera ibidukikije, umutekano wo gutwara, nibindi, tekinoroji yo gusudira idoda yakunze abantu benshi. Gusudira isahani birashobora gukoresha gusudira ahantu, gusudira flash butt,gusudira, hydrogene arc gusudira, nibindi Kugeza ubu,gusudiraikoreshwa cyane mubushakashatsi bwamahanga no kubyaza umusaruro ubudozi busudira.
Mugereranije ibizamini nibisubizo, ibisubizo birahuye neza, kugenzura ukuri kwicyitegererezo cyubushyuhe. Ubugari bwikidodo cyasizwe munsi yuburyo butandukanye bwabazwe kandi buhoro buhoro. Hanyuma, igipimo cy’ingufu za beam cya 2: 1 cyemejwe, imirasire ibiri itunganijwe mu buryo bubangikanye, urumuri runini rw’ingufu rwari rwagati rwagati, kandi urumuri ruto ruri ku isahani yuzuye. Irashobora kugabanya neza ubugari bwa weld. Iyo ibiti byombi ari dogere 45 uvuye hamwe. Iyo bitunganijwe, urumuri rukora ku isahani yijimye hamwe nisahani yoroheje. Bitewe no kugabanya diameter nziza yo gushyushya, ubugari bwa weld nabwo buragabanuka.
2 ibyuma bya aluminiyumu bidasa nicyuma
Ubushakashatsi buriho bukuramo imyanzuro ikurikira: (1) Mugihe igipimo cyingufu zumuriro ziyongera, ubunini bwikomatanyirizo hagati yumwanya umwe wa weld / aluminium alloy interineti igenda igabanuka buhoro buhoro, kandi ikwirakwizwa rikaba risanzwe. Iyo RS = 2, ubunini bwimbere ya interineti IMC igaragara hagati ya microni 5-10. Uburebure ntarengwa bwa "inshinge-busa" IMC iri hagati ya micron 23. Iyo RS = 0,67, ubunini bwimbere ya interineti IMC iri munsi ya microne 5, naho uburebure ntarengwa bwa "inshinge-busa" IMC ni microni 5.6. Umubyimba wurwego rwa intermetallic wagabanutse cyane.
(2)Iyo parallel ebyiri-beam laser ikoreshwa mugusudira, IMC kumurongo wa weld / aluminium alloy irarenze. Uburebure bwa IMC kuri interineti ya weld / aluminiyumu yegeranye hafi yicyuma / aluminium alloy ihuriweho hamwe ni ndende, hamwe nubunini ntarengwa bwa 23.7. . Nkuko igipimo cyingufu za beam cyiyongera, mugihe RS = 1.50, ubunini bwurwego rwa IMC kuri interineti ya weld / aluminium ya aluminiyumu iracyari kinini kuruta ubunini bwimvange ya intermetallic mukarere kamwe ka serial ebyiri.
3. Aluminium-lithium alloy T ifatanye
Kubijyanye nubukanishi bwa laser yasuditswe hamwe na 2A97 ya aluminiyumu, abashakashatsi bakoze ubushakashatsi kuri microhardness, imiterere ya tensile hamwe numunaniro. Ibisubizo by'ibizamini byerekana ko: zone yasuditswe ya laser yasuditswe hamwe ya 2A97-T3 / T4 ya aluminiyumu yoroshye cyane. Coefficient igera kuri 0,6, ifitanye isano cyane cyane no guseswa hamwe ningorane zikurikira mugushakisha imvura ikomeza; imbaraga za coefficient ya 2A97-T4 ya aluminium alloy ifatanyirijwe hamwe na IPGYLR-6000 fibre fibre irashobora kugera kuri 0.8, ariko plastike ni mike, mugihe fibre IPGYLS-4000gusudiraCoefficient de la lazeri yasuditswe 2A97-T3 ya aluminiyumu ya aluminiyumu igera kuri 0,6; inenge za pore ninkomoko yumunaniro wumunaniro muri 2A97-T3 aluminium alloy laser yasuditswe hamwe.
Muburyo bwo guhuza, ukurikije amahame atandukanye ya kristu, FZ igizwe ahanini ninkingi ya kristu hamwe na kristu ihwanye. Inkingi ya kristu ifite epitaxial EQZ icyerekezo cyo gukura, kandi icyerekezo cyikura ryacyo ni perpendicular kumurongo wo guhuza. Ni ukubera ko ubuso bwimbuto za EQZ nigice cyateguwe nucleation, kandi ubushyuhe bwo kugabanuka muriki cyerekezo nicyo cyihuta. Kubwibyo, primaire ya kristu yerekana umurongo uhagaritse guhuza umurongo ukura neza kandi impande zirabujijwe. Mugihe inkingi ya kristu ikura yerekeza hagati ya weld, imiterere ya morphologie ihinduka hamwe na dendrite yinkingi. Hagati ya weld, ubushyuhe bwa pisine yashongeshejwe ni hejuru, igipimo cyo gukwirakwiza ubushyuhe ni kimwe mu mpande zose, kandi ibinyampeke bikura bingana mu mpande zose, bikora dendrite ihwanye. Iyo intangiriro yibanze ya kristu ya dendrite ihwanye neza nindege yikigereranyo, ingano zigaragara nkururabyo zirashobora kugaragara mugice cya metallografiya. Byongeye kandi, byibasiwe na supercooling yibice byaho muri zone ya weld, ingero zingana zingana zisanzwe zigaragara mugace kegereye kegeranye kerekana uburyo bwa syncronique T-ifatanyirijwe hamwe, kandi morphologie yintete mumurongo uringaniye neza-itandukanye. ingano ya morfologiya ya EQZ. Kugaragara. Kuberako uburyo bwo gushyushya uburyo butandukanye TSTB-LW itandukanye nuburyo bwo guhuza TSTB-LW, hariho itandukaniro rigaragara muri macromorphologie na microstructure morphologie. Uburyo butandukanye butandukanye TSTB-LW T-ifatanyijemo T yahuye ninzinguzingo ebyiri zumuriro, yerekana ibiranga ikidendezi cyashongeshejwe kabiri. Hano hari umurongo wa kabiri ugaragara imbere muri weld, kandi pisine yashongeshejwe no gusudira kumashanyarazi ni nto. Muburyo butandukanye bwa TSTB-LW, gusudira kwimbitse byatewe nuburyo bwo gushyushya bwo gusudira amashanyarazi. Dendrite yinkingi hamwe na dendrite iringaniye hafi yumurongo wa kabiri wa fusion ifite imipaka mike ya subgrain kandi igahinduka inkingi cyangwa kristu ya selile, byerekana ko uburyo bwo gushyushya uburyo bwo gusudira bwumuriro bwumuriro bugira ingaruka zo kuvura ubushyuhe bwimbitse. Ingano yingano ya dendrite hagati ya weld itwara ubushyuhe ni microne 2-5, ikaba ari nto cyane ugereranije nubunini bwa dendrite iri hagati ya weld yinjira cyane (micron 5-10). Ibi bifitanye isano ahanini nubushyuhe ntarengwa bwo gusudira kumpande zombi. Ubushyuhe bujyanye nigipimo gikonje gikurikiraho.
3) Ihame rya kabiri-beam laser laser ifunze gusudira
4)Abagurisha benshi imbaraga
Mu igeragezwa ryo gusudira kabiri-beam laser laser yo gushira, kubera ko ibiti bibiri bya laser bigabanywa kuruhande rumwe kumpande zombi zicyuma cyikiraro, intera ya laser na substrate nini kuruta iy'ifu ya laser yamashanyarazi imwe, hamwe n'ibicuruzwa bivamo kugurisha bihagaritse kumurongo wikiraro. Icyerekezo cyinsinga kirambuye. Igicapo 3.6 cerekana ingingo zagurishijwe zabonywe na beam-beam imwe na laser laser powder yo gusudira. Mugihe cyo gusudira, niba ari ibiti bibirigusudirauburyo cyangwa urumuri rumwegusudiraburyo, ikidendezi runaka gishongeshejwe gikozwe mubintu fatizo binyuze mumashanyarazi. Muri ubu buryo, ibyuma fatizo byashongeshejwe muri pisine yashongeshejwe birashobora gukora umurunga wa metallurgjique hamwe nifu ya elegitoronike yisukuye, bityo bikageraho. Iyo ukoresheje lazeri ebyiri-yo gusudira, imikoranire hagati yigitereko cya lazeri nibikoresho fatizo ni imikoranire hagati yibikorwa byibiti bibiri bya lazeri, ni ukuvuga imikoranire hagati yibidendezi bibiri byashongeshejwe byakozwe na lazeri kubikoresho . Muri ubu buryo, ibisubizo bishya bivamo Ubuso ni bunini kuruta ubw'umurongo umwegusudira, rero kugurisha kugurisha byabonetse kubiri-beamgusudirazirakomeye kuruta urumuri rumwegusudira.
2. Kugurisha cyane no gusubiramo
Mu rumuri rumwegusudiraigeragezwa, kubera ko hagati yikibanza cyibanze cya laser ikora ku buryo butaziguye insinga ya micro-ikiraro, insinga yikiraro ifite ibisabwa cyane kurigusudiraibipimo byerekana, nkuburinganire bwa laser butagabanijwe hamwe nubunini bwifu ya alloy. Ibi bizaganisha kumeneka insinga mugihe cyo gusudira ndetse bigatera no guhita bitera insinga yikiraro guhinduka. Muburyo bwo gusudira bwa lazeri ebyiri, kubera ko ahantu hibanze h’ibiti bibiri bya lazeri bidakora mu buryo butaziguye ku nsinga za micro-ikiraro, ibisabwa bikenerwa mu buryo bwo gusudira lazeri ibipimo by'insinga z'ikiraro biragabanuka, kandi gusudira no gusubiramo byateye imbere cyane. .
Igihe cyo kohereza: Ukwakira-17-2023
