Masu binciken sun bincikar abubuwan da ke tattare da abubuwan da ke tattare da gawa akan buguwa da ƙarfafa microstructures, don ƙarin fahimtar yadda abun da ke ciki na gami, masu canjin tsari, da thermodynamics suka shafi sassan da aka ƙera. Ta hanyar gwaje-gwajen bugu na 3D, sun ayyana sinadarai na alloy da sigogin aiwatar da ake buƙata don haɓaka kaddarorin gami da buga manyan sassa iri ɗaya a microscale. Yin amfani da koyan na'ura, sun ƙirƙiri wata dabarar da za a iya amfani da ita tare da kowane nau'i na gami don taimakawa hana rashin daidaituwa.
Sabuwar hanyar da masu bincike na Texas A&M suka haɓaka suna haɓaka kaddarorin gami da aiwatar da sigogi don ƙirƙirar sassa na ƙarfe na bugu na 3D mafi girma. An nuna a nan wani micrograph mai launi na lantarki na nickel foda gami da aka yi amfani da shi a cikin binciken. Raiyan Seede.
Sabuwar hanyar da masu bincike na Texas A&M suka haɓaka suna haɓaka kaddarorin gami da aiwatar da sigogi don ƙirƙirar sassa na ƙarfe na bugu na 3D mafi girma. An nuna a nan wani micrograph mai launi na lantarki na nickel foda gami da aka yi amfani da shi a cikin binciken. Raiyan Seede.

Garin foda na ƙarfe da ake amfani da shi don masana'anta ƙari na iya ƙunsar cakuda karafa, kamar nickel, aluminum, da magnesium, a wurare daban-daban. A lokacin Laser gado foda Fusion 3D bugu, wadannan powders sanyi da sauri bayan da aka mai tsanani da Laser katako. A daban-daban karafa a cikin gami foda da daban-daban sanyaya Properties da kuma karfafa a daban-daban rates. Wannan rashin daidaituwa na iya haifar da lahani na ƙananan ƙwayoyin cuta, ko microsegregation.

"Lokacin da foda ya yi sanyi, nau'ikan karafa na iya yin hazo," in ji mai bincike Raiyan Seede. “Ka yi tunanin zuba gishiri a ruwa. Yana narkewa nan da nan lokacin da adadin gishiri ya ƙanƙanta, amma yayin da kuke ƙara gishiri, ragowar gishirin da ba sa narkewa suna farawa kamar lu'ulu'u. Ma’ana, abin da ke faruwa ke nan a cikin kayan aikin karfen mu idan sun yi sanyi da sauri bayan an buga su.” Seede ya ce wannan lahani yana bayyana a matsayin ƴan ƙananan aljihu da ke ɗauke da ɗan bambanci na sinadaran ƙarfe fiye da abin da ake samu a wasu wuraren da aka buga.

Masu binciken sun binciki ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa guda huɗu na tushen nickel. A cikin gwaje-gwajen, sun yi nazarin yanayin jiki na kowane gami a yanayin zafi daban-daban da kuma ƙara yawan adadin sauran ƙarfe a cikin gami na tushen nickel. Yin amfani da dalla-dalla zane-zane na zamani, masu binciken sun ƙaddara ƙayyadaddun sinadarai na kowane gami wanda zai haifar da ƙarancin microsegregation yayin masana'antar ƙari.

Gaba, da masu bincike narke guda waƙa na gami karfe foda a daban-daban Laser saituna da ƙaddara Laser foda gado Fusion aiwatar sigogi da cewa zai sadar porosity-free sassa.
Hoton microscope na lantarki na les scan giciye-sashe na nickel da zinc gami. Anan, duhu, matakan nickel mai wadatar nickel suna barin ƙananan matakai tare da ƙaramin tsari iri ɗaya. Hakanan ana iya lura da pore a cikin tsarin tafkin narke. Raiyan Seede.
Hoton microscope na lantarki na les scan giciye-sashe na nickel da zinc gami. Dark, matakan wadataccen nickel suna shiga tsaka-tsakin matakai masu sauƙi tare da ƙaramin tsari iri ɗaya. Hakanan ana iya lura da pore a cikin tsarin tafkin narke. Raiyan Seede.

Bayanan da aka samo daga zane-zane na zamani, tare da sakamakon daga gwaje-gwajen waƙa guda ɗaya, sun ba da ƙungiyar tare da cikakken bincike na saitunan laser da abubuwan haɗin gwal na tushen nickel wanda zai iya samar da wani ɓangaren da ba shi da porosity ba tare da microsegregation ba.

Masu binciken na gaba sun horar da nau'ikan koyo na na'ura don gano alamu a cikin bayanan gwaji na waƙa guda ɗaya da zane-zanen lokaci, don haɓaka ƙididdiga don microsegregation wanda za a iya amfani da shi tare da kowane gami. Seede ya ce an ƙera ma'aunin ne don yin hasashen girman rarrabuwar kawuna da aka yi la'akari da kewayon ƙarfi na gami da kaddarorin kayan aiki da ƙarfin Laser da sauri.

"Muna daukar zurfin nutsewa cikin daidaitawa da microstructure na gami ta yadda za a sami ƙarin iko akan kaddarorin bugu na ƙarshe a ma'auni mafi kyau fiye da da," in ji Seede.

Yayin da amfani da alloli a cikin AM ke ƙaruwa, haka kuma ƙalubalen bugu na sassan da suka cika ko wuce ƙa'idodin ingancin masana'antu. Nazarin A&M na Texas zai ba wa masana'antun damar haɓaka sinadarai na gami da aiwatar da sigogi ta yadda za'a iya ƙirƙira gami musamman don masana'antar ƙari kuma masana'antun za su iya sarrafa microstructures a gida.

"Hanyoyin mu na sauƙaƙa samun nasarar amfani da gami na abubuwan ƙira daban-daban don masana'anta ba tare da damuwa da gabatar da lahani ba, har ma da ƙananan ƙananan," in ji Farfesa Ibrahim Karaman. "Wannan aikin zai kasance da fa'ida sosai ga masana'antar sararin samaniya, kera motoci, da masana'antun tsaro waɗanda koyaushe ke neman ingantattun hanyoyin gina sassan ƙarfe na al'ada."

Farfesa Raymundo Arroyavé da farfesa Alaa Elwany, waɗanda suka haɗa kai da Seede da Karaman kan binciken, sun ce masana'antu za su iya daidaita tsarin cikin sauƙi don gina sassa masu ƙarfi, marasa lahani tare da zaɓin zaɓi.