Iyo ubonye 'Inconel 718 ishoramari ryashizwe kumurongo', akenshi riza rifite urupapuro rwerekana urutonde rwimbaraga zikomeye kandi zirwanya 1300 ° F. Icyo urupapuro rudakunze kuvuga ni ukunangira gukabije kwamavuta mugihe cyo gutobora ibishishwa, cyangwa uburyo urubanza ruto mu irembo rushobora guhindura ibintu bya turbine bigoye kuba impapuro zihenze cyane. Hariho imyumvire ikocamye ivuga ko kubera ko ikoreshwa cyane na superalloy, inzira iringaniye. Ntabwo aribyo. Shitani iri mumicungire yubushyuhe - gucunga ubushyuhe atari mugihe cyo gusuka gusa, ariko guhera igihe utangiriye kubaka igikonoshwa ceramic.
Umukino wa Shell: Kurenza Ceramic Dip
Uhereye ku gishashara, inzira isa neza. Ariko hamwe na 718, gamma yibanze hamwe na gamma inshuro ebyiri yibanze itanga iyo mitungo ikomeye nayo itera inzozi zo kugaburira gukomera gukomera. Ntushobora gukoresha gusa igiti kimwe cyakoreshwa kuri 304 idafite umwanda. Nize ibi inzira igoye kumurimo wo hambere kumashanyarazi. Twakoresheje sisitemu isanzwe yo hejuru-gating, igishashara cyiza, igishishwa cyiza. NDT yerekanye urusobe rwa microshrinkage mumyanya ndende. Ibikoresho byari byiza, ariko ntibyumvikana bihagije. Icyifuzo cyahamagariye kugenzura radiografiya, birananirana. Ikibazo ntabwo cyari chimie ya chimie; ni uko intera yacu yo kugaburira itari ihagije kubintu 718 byihariye byo gukomera. Tugomba gusubira inyuma, kongeramo ibyago byinshi, kandi mubyukuri kwiyongera modulus mubice bimwe kugirango iteze imbere icyerekezo cyerekeza kubagaburira. Yongeyeho ikiguzi nigihe cote yambere itigeze ifatwa.
Noneho hari igikonoshwa ubwacyo. Sisitemu isanzwe ya zirconiya / silika ihuza sisitemu irashobora gukora, ariko kubice bikikijwe n'inkuta zoroshye cyangwa ibice bisaba kurangiza bidasanzwe, twahinduye twerekeza kuri kote yo mumaso ya silika. Kwiyongera kwubushyuhe bwumuriro ntibikabije, bigabanya ibyago byo guturika bishyushye kuko nini 718 yo gukonjesha ikonje kandi igasezerana nigikonoshwa gikomeye. Nibintu bito, ariko gusiba iryo suzuma ni nko gutekereza ko plaster yose ari imwe yo kubaka inzu. Urashobora kubona imiterere, ariko ibice bizavuga inkuru.
Ndibuka umushinga waturutse Ikoranabuhanga rya Qingdao Qiangsenyuan (QSY). Babaye mumikino mumyaka mirongo, kandi uburyo bwabo bwo kubaka shell ya nikel alloys nuburyo bwiza. Ntabwo ari ukuzenguruka gusa; ni ibijyanye no kumisha ibidukikije hagati ya buri koti kugirango wirinde igishishwa cyintambara. Kuri 718, aho kuvura nyuma yubushyuhe ari ngombwa kugirango hagabanuke ibyiciro bikomeza, igikonyo kigoramye gishobora gutera guhangayika gusigara mu gice cyitwa 'as-cast' ndetse no kuvura igisubizo bikagora gukosorwa byuzuye. Urupapuro rwibikorwa rwabo rwibanze ku kugenzura ubushuhe bw’ibidukikije - burambuye akenshi birengagizwa ariko ni ngombwa kugirango habeho ituze.
Isuka: Aho Igitekerezo gihurira nukuri gushonga
Gushonga no gusuka Inconel 718 munsi ya vacuum ni imyitozo isanzwe yo kugenzura okiside no gutakaza ibintu bihindagurika. Ariko 'munsi ya vacuum' ntabwo ari binary leta. Urwego rufite akamaro. Icyuho kinini cyane mugihe cyo gushonga kirashobora gutuma chromium ihinduka cyane. Urangiza muri spec ya nikel na niobium, ariko chromium yawe iragabanuka, bigira ingaruka kumurwanya wa okiside. Dukoresha icyuho gike gike mugihe cyambere cyo gushonga, hanyuma tukazamuka kugirango tunonosore. Nibyino, ntabwo ari flip flip.
Ubushyuhe bwo gusuka nubundi buryo bwo guhamagarira urubanza. Amakuru avuga ko amavuta ari 1330 ° C. Gusuka bishyushye cyane biganisha ku gukura kwinshi kwimbuto hamwe nigikonoshwa gikabije, gutesha agaciro ubuso. Gusuka hasi cyane bitumira abadamu, cyane cyane mumiyoboro ikonje. Ahantu heza akenshi ni idirishya rya 20-30 ° C hejuru ya fluidus, kandi biterwa na geometrie igice. Kubice-byuzuye umubyimba wumubiri, urashobora kujya hejuru kugirango utezimbere amazi. Kubirindiro byindege byoroheje cyane, ujya hasi nkuko ubitinyuka. Nta gisubizo kiboneka kuri bose, niyo mpamvu inzira yimikorere yimikorere idashoboka.
Ikigeragezo kimwe cyatsinzwe kirimo amazu ya pompe. Uburinganire bwa geometrike bwari bufite flanges zijimye hamwe nurubuga rwimbere. Twasutse ku bushyuhe bwo kumvikana. Flanges yari nziza, ariko urubuga rwerekanaga imbeho ikonje. Gukosora ntabwo byari uguhindura ubushyuhe gusa; twagombaga guhindura amarembo kugirango tugemure ibyuma bishyushye bitaziguye muri ibyo bice byoroheje dukoresheje imigenzereze, idafite umuvuduko. Yongeyeho ibintu bigoye ku gishashara ariko ikiza igice. Aha niho uburambe bwumushinga, nkigihe kirekire gushora imari kwibanda kumaduka nka QSY, yerekana agaciro kayo. Birashoboka ko babonye itandukaniro ijana ryikibazo.
Ingaruka: Kuvura Ubushyuhe nibice bya Casting Process
Gutekereza kuvura ubushyuhe nkigikorwa cyihariye, nyuma yo guta ni ikosa hamwe na 718. Imiterere ya as-cast yerekana neza icyo kuvura ubushyuhe bishobora kandi bidashobora kugeraho. Ubuvuzi busanzwe nigisubizo kijyanye na 980 ° C, hagakurikiraho kuzenguruka kabiri. Ariko niba ufite amacakubiri akomeye ya dendritic mumiterere yabakinnyi (bisanzwe mubikorwa byo gushora imari), igihe cyo kuvura igisubizo kirashobora kuba kidahagije kugirango bahuze amavuta. Urabona gukomera gukwiye nyuma yo gusaza, ariko ingaruka zikomeye zirashobora kuba zidahuye.
Twigeze kugira icyiciro cyibice byatsinze ibizamini byose byubukanishi ariko birananirana imburagihe muri serivisi yo kunyeganyega cyane. Isesengura rya Metallurgical ryerekanye uduce tumwe na tumwe twa feri ya Laves, eutectic ikungahaye kuri niobium ikora mugihe cyo gukomera niba gukonjesha kutagenzuwe. Igisubizo anneal ntabwo cyari cyarashonze burundu. Intandaro yaturutse ku gipimo cyo gukonjesha cyo guta imbere mu itanura nyuma yo gusuka. Twakonje munsi yicyuho cyuzuye, nikintu gikomeye. Gutinda gukonjesha usubirana na argon nyuma yo gukina gukomeye byafashaga kugabanya ubukana bwamacakubiri, bigaha amahirwe yo kuvura ubushyuhe amahirwe yo kurwana. Yongeyeho intambwe, ariko yatumye inzira ikomera.
Iyi mikoranire niyo mpamvu amaduka atanga ihuriweho Imashini ya CNC no kuvura ubushyuhe, nkigice cya serivisi zabo nkibisobanuro bya QSY, bifite akarusho. Ntibashobora gufata ibyiciro nka silos. Umukanishi akeneye kumenya niba ibikoresho bizitwara neza mugice cyose, kandi ibyo bigenwa namateka yo gutunganya no gutunganya ubushyuhe. Ihatira kubona ibintu byose murwego rwo gukora.
Imashini: Inzitizi yanyuma
Abantu bose bavuga kubyerekeranye no gutora 718, ariko ikiganiro gikunze kugaragara hejuru yo kugikora. Ibikoresho bishaje bizwi ko bitesha agaciro kandi bigakora akazi ako kanya. Niba ibikorwa byawe byo gukina bisize bigoye, bitavunitse cyangwa igipimo cya alumina igipimo cya shell reaction, uzasenya ibikoresho byo gutema mugihe cya mbere cyoroshye. Ubwiza bwa as-cast ubuso nibyingenzi. Sisitemu nziza kandi igenzurwa isuka igabanya iki gipimo, ariko uburyo bumwe bwo kuvura bwa kabiri nko guturika guturika cyangwa gusya byoroheje bishobora gukenerwa mbere yuko igikoresho cya mbere gikora ku gice.
Byongeye kandi, imihangayiko isigaye iterwa na casting irashobora kuba ingirakamaro. Niba ukomye igice gitsindagiye mugice hanyuma ugafata uburemere buremereye, urekura iyo mihangayiko, igice kikagenda. Urashobora kwihanganira ibikorwa byambere, ariko kubwa gatatu, ibintu byose birahari. Inzira ikwiye yo kugabanya ibibazo mbere yo gutunganya ibintu byose ni ngombwa. Rimwe na rimwe, birakwiye gukora imashini itoroshye, hanyuma ukongera kugabanya imihangayiko, hanyuma ukarangiza gukora. Byumvikane neza, ariko bihendutse kuruta gusiba hafi kurangira kuko byaragaragaye mugihe cyanyuma kirambiranye.
Aha niho serivisi yuzuye yerekana agaciro kayo. Umucuruzi ukora gushora imari unyuze kumashini yanyuma, nka serivisi zerekanwe kumurongo wa QSY, zirashishikarizwa kunoza inzira zose zo gukora. Bashobora gutanga igitekerezo cyo kongeramo amafaranga yo gutunganya icyerekezo cyihariye cyangwa guhindura gato radiyo idakomeye kugirango yongere ibikoresho. Ubu ni ubushishozi bufatika, buzigama amafaranga aturuka mugukora akazi kose, ntabwo ari ugusuka gusa.
Umwanzuro: Ni Sisitemu, Ntabwo Intambwe
Noneho, 'Inconel 718 gushora imari' ntabwo ari inzira imwe utumiza kurutonde. Nuburyo bwo gufata ibyemezo byuzuzanya: shell chemistry, igishushanyo mbonera, imyirondoro yubushyuhe mugihe cyo gusuka no gukonjesha, ibipimo byo kuvura ubushyuhe, hamwe nuburyo bwo gutunganya. Gutezimbere gato mukarere kamwe birashobora guhanagurwa no kwibeshya mukindi. Amaduka ahora atanga ibice byizewe nibyo byumva iyi ecosystem. Ntabwo basuka ibyuma gusa mubumba ceramic; bayobora urugendo rugenzurwa nubushyuhe na metallurgiki kuva ibishashara kugeza igice cyarangiye. Urupapuro rwamakuru ruguha aho ujya, ariko uburambe bwububiko bwerekana ikarita inzira yonyine ishobora kugerayo.
Mugihe usuzuma utanga isoko, reba ibirenze ibikoresho byabo. Baza ibijyanye na sisitemu yihariye ya sisitemu yo hejuru ya nikel. Baza ibijyanye nuburyo busanzwe bwo kuvura ubushyuhe kuri as-cast 718 nuburyo babishoboye. Baza uburyo bayobora inzibacyuho kuva muri casting bajya gukora. Ibisubizo bizakubwira byinshi kubushobozi bwabo kuruta udutabo twose. Itandukaniro riri hagati yimyitozo ngororamubiri hamwe nubunyangamugayo buhanitse biri muri ibi byegeranijwe, bigoye gutsindira imyitozo.
