Muna amfani da kukis don inganta ƙwarewar ku. Ta hanyar ci gaba da bincika wannan rukunin yanar gizon, kun yarda da amfani da kukis ɗinmu. Ƙarin bayani.
A cikin wani labarin da aka buga kwanan nan a cikin mujallar Additive Manufacturing Letters, masu bincike sun tattauna amfanin fesawar bakin karfe da aka sassaka ta hanyar sinadarai don tsawaita tsawon rayuwar foda a masana'antar ƙari.
Bincike: Tsawaita Rayuwar Foda a Masana'antar Ƙari: Sassaka Sinadaran da ke Sassaka Bakin Karfe. Hoton Credit: MarinaGrigorivna/Shutterstock.com
Ƙwayoyin feshewa na ƙarfe na Laser Foda Gado (LPBF) Ana samar da ƙwayoyin feshewa ta hanyar ɗigon narkewa da aka fitar daga wurin narkewa ko ƙwayoyin foda da aka dumama zuwa kusa ko sama da wurin narkewa yayin da suke ratsawa ta cikin hasken laser.
Duk da amfani da yanayin da ba shi da aiki, yawan amsawar ƙarfen kusa da zafin narkewarsa yana haɓaka iskar shaka. Duk da cewa ƙwayoyin da suka yaɗu yayin narkewar LBPF aƙalla na ɗan lokaci a saman, yaduwar abubuwan da ke canzawa zuwa saman yana iya faruwa, kuma waɗannan abubuwan da ke da alaƙa da iskar shaka suna samar da yadudduka masu kauri na oxide.
Tunda matsin lamba na oxygen a cikin LPBF yawanci ya fi na atomization na gas, yuwuwar haɗawa da oxygen yana ƙaruwa.
An san cewa bakin ƙarfe da ƙarfe masu kauri da nickel suna da saurin oxidizing, suna samar da tsibirai har zuwa mita da yawa a kauri. Bugu da ƙari, ƙarfe masu kauri da ƙarfe masu kauri da nickel, kamar waɗanda ke samar da oxide spatters na tsibiri, galibi kayan da aka ƙera ne a cikin LPBF, kuma ana amfani da wannan hanyar ga LPBF na ƙarfe masu kauri da aka saba amfani da su don nuna cewa sabunta sinadarai yana da mahimmanci ga Foda ta hanyar da aka saba.
(a) Hoton SEM na barbashin fesawa na bakin karfe, (b) hanyar gwaji ta hanyar fesa sinadarai masu zafi, (c) Maganin LPBF na barbashin fesawa da aka cire daga iska. Hoton: Murray, J. W, et al, Haruffan Masana'antu Masu Ƙarawa
A cikin wannan binciken, marubutan sun yi amfani da sabuwar dabarar ƙera sinadarai don cire oxides daga saman foda mai feshi na bakin ƙarfe mai oxidized. Ana amfani da narkar da ƙarfe a kusa da kuma ƙasa da tsibiran oxide akan foda a matsayin babban hanyar cire oxide, wanda ke ba da damar cire oxide mai ƙarfi. An tace foda mai feshi, etch da budurwa zuwa girman foda iri ɗaya don sarrafa LPBF.
Ƙungiyar ta nuna yadda ake cire oxides daga barbashi masu yaɗuwa daga bakin ƙarfe, musamman waɗanda aka ware ta amfani da dabarun sinadarai don samar da tsibiran oxide masu arzikin Si da Mn a saman foda. An tattara lita 316 na yaɗuwa daga saman foda na kwafi na LPBF kuma an yi masa fenti ta hanyar sinadarai ta hanyar nutsewa. Bayan tantance dukkan barbashi zuwa girman iri ɗaya, LPBF tana sarrafa su zuwa wuri ɗaya tare da ingantaccen yaɗuwa da ƙarfe mara nauyi.
Masu binciken sun duba yanayin zafi da kuma nau'ikan enchants guda biyu na bakin karfe. Bayan an tantance su zuwa girman iri ɗaya, an ƙirƙiri waƙoƙi guda ɗaya na LPBF ta hanyar amfani da irin wannan foda mara kyau, foda mai feshi, da kuma foda mai feshi mai inganci.
Alamun LPBF na mutum ɗaya da aka samar daga spatter, etch spatter, da foda mai tsabta. Hoton ƙara girman yana nuna cewa an cire layin oxide da ke kan hanyar sputter a kan hanyar sputter da aka lalata. Foda ta asali ta nuna cewa har yanzu akwai wasu oxides. Hoton: Murray, J. W, et al, Haruffan Masana'antu na Ƙari
Murfin da ke kan foda mai bakin karfe 316L ya ragu da kashi 10, daga kashi 7% zuwa 0.7% bayan an dumama sinadarin Ralph zuwa digiri 65 na Celsius a cikin ruwan wanka na tsawon awa 1. Dangane da taswirar babban yankin, bayanan EDX sun nuna raguwar matakan iskar oxygen daga kashi 13.5% zuwa kashi 4.5%.
Spatter ɗin da aka yi da etched yana da ƙarancin murfin oxide slag a saman hanya idan aka kwatanta da spatter. Bugu da ƙari, etching na sinadarai na foda yana ƙara haɗuwa da foda a kan hanya. Etching na sinadarai yana da yuwuwar inganta sake amfani da shi da dorewa na spatter ko foda da ake amfani da su da yawa waɗanda aka yi daga foda na bakin ƙarfe da ake amfani da su sosai kuma masu jure tsatsa.
A cikin dukkan girman sieve mai girman 45-63 µm, sauran barbashi masu haɗuwa a cikin foda mai fashewa da aka sassaka da wanda ba a sassaka ba sun bayyana dalilin da yasa adadin ƙurar da aka sassaka da wanda aka sassaka suke kama da juna, yayin da adadin ƙurar asali ya fi kusan kashi 50%. An lura da foda mai haɗuwa ko wanda ke samar da tauraron ɗan adam yana shafar yawan ƙurar da haka girmanta.
Spatter ɗin da aka yi wa fenti yana da ƙaramin rufin oxide slag a saman hanya idan aka kwatanta da spatter. Lokacin da aka cire oxides ɗin ta hanyar sinadarai, foda mai ɗaure da kuma mara siffa suna nuna shaidar ɗaurewar oxides ɗin da aka rage, wanda aka danganta da ingantaccen danshi.
Tsarin da ke nuna fa'idodin maganin LPBF lokacin cire oxides daga foda mai feshi a cikin tsarin ƙarfe mai bakin ƙarfe. Ana samun kyakkyawan juriyar jika ta hanyar kawar da oxides. Hoton da aka ɗauka: Murray, J. W, et al, Haruffan Masana'antu na Ƙari
A taƙaice, wannan binciken ya yi amfani da hanyar ƙera sinadarai don sake farfaɗo da foda mai fesawa na bakin ƙarfe mai ƙarfi ta hanyar sinadarai ta hanyar nutsar da shi a cikin reagent na Ralph, maganin ferric chloride da cupric chloride a cikin hydrochloric acid. An lura cewa nutsar da shi a cikin maganin etchant mai zafi na Ralph na tsawon awa 1 ya haifar da raguwar rufewar yankin oxide akan foda da aka fesa sau 10.
Marubutan sun yi imanin cewa yin amfani da sinadarai yana da yuwuwar ingantawa da kuma amfani da shi a wani babban sikelin don sabunta barbashi masu yawa da aka sake amfani da su ko kuma foda na LPBF, wanda hakan ke ƙara darajar kayan da aka yi da foda masu tsada.
Murray, JW, Speidel, A., Spierings, A. da sauransu. Tsawaita tsawon lokacin foda a cikin kera ƙari: ƙwanƙwasa sinadarai na fesa bakin ƙarfe. Haruffan Masana'antu na Ƙari 100057 (2022).https://www.sciencedirect.com/science/article/pii/S2772369022000317
Bayanin Kariya: Ra'ayoyin da aka bayyana a nan na marubucin ne a matsayinsa na kashin kansa kuma ba lallai bane su wakilci ra'ayoyin AZoM.com Limited T/A AZoNetwork, mai shi kuma mai gudanar da wannan gidan yanar gizon. Wannan bayanin ya ƙunshi sharuɗɗa da ƙa'idodi na amfani da wannan gidan yanar gizon.
Surbhi Jain marubuciya ce mai zaman kanta a fannin fasaha da ke zaune a Delhi, Indiya. Tana da digirin digirgir. Ta sami digirin digirgir a fannin kimiyyar lissafi daga Jami'ar Delhi kuma ta shiga cikin ayyukan kimiyya, al'adu da wasanni da dama. Tarihinta na ilimi yana cikin binciken kimiyyar kayan aiki, wanda ya ƙware wajen haɓaka na'urori masu gani da firikwensin gani. Tana da ƙwarewa sosai a rubuce-rubucen abun ciki, gyarawa, nazarin bayanai na gwaji da kuma gudanar da ayyuka, kuma ta buga takardu 7 na bincike a cikin mujallun Scopus da aka tsara kuma ta shigar da takardun mallakar Indiya guda 2 bisa ga aikin bincikenta. Tana da sha'awar karatu, rubutu, bincike da fasaha, tana jin daɗin girki, wasan kwaikwayo, aikin lambu da wasanni.
Jainism, Subi.(24 Mayu 2022). Sabuwar hanyar yin amfani da sinadarai tana cire oxides daga foda fesawa na bakin karfe mai oxidized.AZOM. An dawo da shi a ranar 21 ga Yuli, 2022 daga https://www.azom.com/news.aspx?newsID=59143.
Jainism, Subi.”Sabuwar hanyar ƙera sinadarai don cire oxides daga foda mai fesa bakin ƙarfe mai oxidized”.AZOM. 21 ga Yuli, 2022..
Jainism, Subi.” Sabuwar hanyar ƙera sinadarai don cire oxides daga foda mai fesa bakin ƙarfe mai oxidized”.AZOM.https://www.azom.com/news.aspx?newsID=59143.(An shiga ranar 21 ga Yuli 2022).
Jainism, Subi.2022. Sabuwar hanyar ƙera sinadarai don cire oxides daga foda fesa bakin ƙarfe mai oxidized.AZoM, an shiga ranar 21 ga Yuli, 2022, https://www.azom.com/news.aspx?newsID=59143.
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