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Mu nkuru iherutse gusohoka mu kinyamakuru Additive Manufacturing Letters, abashakashatsi baganiriye ku kamaro k'icyuma gisesagura cyakozwe mu byuma bitagira imirasire mu kongera igihe cy'ifu mu nganda zikora inyongeramusaruro.
Ubushakashatsi: Kongera igihe cy'ifu mu gukora inyongeramusaruro: Gushushanya imiti mu byuma bitagira umugese. Ifoto: MarinaGrigorivna / Shutterstock.com
Uduce twa metal laser powder bed fusion (LPBF) Uduce twa splash dukorwa n'ibitonyanga byashongeshejwe biva mu kidendezi cyashongeshejwe cyangwa uduce twa fu tw'ifu dushyushye kugera hafi cyangwa hejuru y'aho bishongeshejwe iyo binyuze mu muyoboro wa laser.
Nubwo hakoreshejwe ahantu hadakora neza, ubwiyongere bw'icyuma hafi y'ubushyuhe bwacyo bushongesha butera ogisijeni. Nubwo uduce duto dusohoka mu gihe cya LPBF dushonga nibura igihe gito ku buso, gukwirakwira kw'ibintu bihindagurika ku buso bishobora kubaho, kandi ibyo bintu bifite ogisijeni nyinshi bitanga urwego rw'ubushyuhe bwinshi.
Kubera ko igitutu cy'igice cya ogisijeni muri LPBF gikunze kuba kinini kuruta icyo mu ihinduka rya atomization y'umwuka, amahirwe yo gufatana na ogisijeni ariyongera.
Ibyuma bitagira umushongi na aloyi ishingiye kuri nikeli bizwiho kwiyongerera ubushyuhe vuba, bigatera ibirwa kugeza kuri metero nyinshi z'ubugari. Byongeye kandi, ibyuma bitagira umushongi na aloyi ishingiye kuri nikeli, nk'ibitanga imyuka ikomoka kuri okiside yo mu bwoko bwa nikeli, ni ibikoresho bikunze gukoreshwa muri LPBF, kandi gukoresha ubu buryo ku byuma bikunze gukoreshwa muri LPBF kugira ngo hagaragazwe ko kuvugurura imiti ari ingenzi cyane kuri Powder mu buryo busanzwe.
(a) Ishusho ya SEM y'uduce twa sitateri tw'icyuma kidashonga, (b) uburyo bwo kugerageza bwo gushushanya imiti ishyushye, (c) LPBF ivura uduce twa sitateri twakuwemo ogisijeni. Ishusho yatanzwe na: Murray, J. W, et al, Additive Manufacturing Letters
Muri ubu bushakashatsi, abanditsi bakoresheje uburyo bushya bwo gukata ibinyabutabire kugira ngo bakureho okiside ku buso bw'ifu y'icyuma gikozwe mu buryo bwa okiside. Gushonga kw'icyuma hirya no hino no munsi y'ibirwa bya okiside ku ifu ni byo bikoreshwa nk'uburyo bw'ibanze bwo gukuraho okiside, butuma habaho gukuraho okiside cyane. Ifu y'ifu, ifu y'ifu n'ifu y'ifu yasizwe ku rugero rumwe rw'ifu kugira ngo itunganywe na LPBF.
Itsinda ryerekanye uburyo bwo gukuraho ogisijeni mu duce twa pulasitiki tw’icyuma kidashonga, cyane cyane utwakuwe hakoreshejwe ubuhanga bwa shimi kugira ngo hakorwe ibirwa bya oxide bikungahaye kuri Si- na Mn ku buso bw’ifu. Litiro 316 z’uduce twa pulasitiki twakusanyijwe mu ifu y’udupira twa LPBF hanyuma dutogoshwa mu buryo bwa shimi. Nyuma yo gusuzuma uduce twose ku ngano imwe, LPBF idutunganya mu buryo bumwe ikoresheje pulasitiki yakozwe neza n’icyuma kidashonga.
Abashakashatsi barebye ubushyuhe ndetse n'udupira tubiri dutandukanye tw'icyuma kitagira umugese. Nyuma yo gupima ingano imwe, inzira imwe za LPBF zakozwe hakoreshejwe ifu isa n'iya virgin, ifu ya splash, n'ifu ya splash yacapwe neza.
Ibimenyetso bya LPBF byakozwe mu gupfuka, gupfuka, n'ifu isanzwe. Ishusho yo gukuba hejuru igaragaza ko urwego rwa okiside ruri ku nzira ipfuka rukurwa ku nzira ipfuka. Ifu y'umwimerere yagaragaje ko okiside zimwe na zimwe zari zikiriho. Ishusho yatanzwe na: Murray, J. W, n'abandi, Additive Manufacturing Letters
Ubuso bwa okiside ku ifu ya 316L ya stainless steel splash yagabanutseho 10, kuva kuri 7% kugera kuri 0.7% nyuma y'uko reagent ya Ralph ishyushye kugeza kuri 65 °C mu bwogero bw'amazi mu gihe cy'isaha 1. Mu gushushanya agace kanini, amakuru ya EDX yagaragaje ko urugero rwa ogisijeni rwagabanutse kuva kuri 13.5% kugera kuri 4.5%.
Ifu ishaje ifite agace gato k’ibumba ku buso bw’inzira ugereranije n’ifu ishaje. Byongeye kandi, ifu ishaje ikoresha imiti yongera uburyo ifu iri ku nzira ishaje. Ifu ishaje ifite ubushobozi bwo kongera gukoreshwa no kuramba kw’ifu ishaje cyangwa ikoreshwa cyane ikozwe mu ifu y’icyuma kidashaje ikoreshwa cyane kandi idashobora kwangirika.
Mu ngano yose y'urushundura rwa 45-63 µm, uduce dusigaye tw’uduce ...
Ifu ipfundikiye ifite agace gato k’isukari ku buso bw’inzira ugereranije n’ipfundikiye. Iyo ifu ipfundikiye hakoreshejwe imiti, ifu ipfundikiye n’iy’isukari igaragaza ko ipfundikiye ipfunditse neza, ibyo bikaba biterwa no kuba amazi ashobora kunyura neza.
Igishushanyo kigaragaza ibyiza byo kuvurwa na LPBF mu gihe cyo gukuraho ogiside mu ifu ya splash mu byuma bita steel. Uburyo bwiza bwo kunywera bugerwaho no gukuraho ogiside. Ishusho yatanzwe na: Murray, J. W, et al, Additive Manufacturing Letters
Muri make, ubu bushakashatsi bwakoresheje uburyo bwo gukata imiti kugira ngo havugururwe ifu y’icyuma kidafunze ya oxidized cyane binyuze mu kwinjizwa muri reagent ya Ralph, igisubizo cya ferric chloride na cupric chloride muri aside hydrochloric. Byagaragaye ko kwinjizwa muri solution ya Ralph etchant ishyushye mu gihe cy’isaha 1 byatumye agace ka oxid gatwikirwa n’ifu yasutsweho gagabanuka inshuro 10.
Abanditsi bemeza ko gushushanya ibinyabutabire bishobora kunozwa no gukoreshwa ku rwego rwagutse mu kuvugurura uduce twinshi tw’ibinure cyangwa ifu ya LPBF, bityo bikongera agaciro k’ibikoresho bihenze bishingiye ku ifu.
Murray, JW, Speidel, A., Spierings, A. n'abandi. Kongera igihe cy'ifu mu nganda zikora inyongeramusaruro: gushushanya imiti mu byuma bitagira umugese. Amabaruwa yo gukora inyongeramusaruro 100057 (2022). https://www.sciencedirect.com/science/article/pii/S2772369022000317
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Surbhi Jain ni umwanditsi w’umuhanga mu bya tekiniki wigenga ukorera i Delhi mu Buhinde. Afite impamyabumenyi y’ikirenga (PhD). Yabonye impamyabumenyi y’ikirenga (PhD) muri fiziki (fiziki) muri Kaminuza ya Delhi kandi yitabiriye ibikorwa byinshi bya siyansi, umuco na siporo. Amasomo ye ni mu bushakashatsi ku bikoresho, yibanda ku iterambere ry’ibikoresho by’ikoranabuhanga n’ibikoresho by’ikoranabuhanga. Afite uburambe bwinshi mu kwandika ibikubiye mu nyandiko, gutunganya, gusesengura amakuru y’igerageza no gucunga imishinga, kandi yasohoye inyandiko 7 z’ubushakashatsi mu binyamakuru bya Scopus byanditseho urutonde rw’ibitabo ndetse anatanga impapuro 2 z’uburenganzira ku bicuruzwa byo mu Buhinde ashingiye ku bushakashatsi bwe. Akunda gusoma, kwandika, ubushakashatsi n’ikoranabuhanga, akunda guteka, gukina ikinamico, guhinga ubusitani no gukora siporo.
Ubujainisme, Subi. (24 Gicurasi 2022). Uburyo bushya bwo gukata imiti bukuraho ogiside mu ifu y'icyuma kidafurwa. AZOM. Byakuwe ku ya 21 Nyakanga 2022 kuri https://www.azom.com/news.aspx?newsID=59143.
Ubujaini, Subi. "Uburyo bushya bwo gukata imiti mu gukuraho okiside mu ifu y'icyuma kidafunze cya okiside". AZOM. 21 Nyakanga 2022..
Ubujaini, Subi.”Uburyo bushya bwo gukata imiti mu gukuraho ogisijeni mu ifu y’icyuma kidafunze cya ogisijeni”.AZOM.https://www.azom.com/news.aspx?newsID=59143.(Byabonetse ku ya 21 Nyakanga 2022).
Ubujaini, Subi.2022. Uburyo bushya bwo gukata imiti mu gukuraho ogisijeni mu ifu y'icyuma kidafunze cya ogisijeni. AZoM, yabonetse ku ya 21 Nyakanga 2022, https://www.azom.com/news.aspx?newsID=59143.
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