Sabon binciken Farfesa Martin Glicksman na Cibiyar Fasaha ta Florida akan karafa da kayan yana da tasiri ga masana'antar kayyade, amma kuma yana da alaƙa mai zurfi ga wahayi na abokan aiki biyu da suka mutu.googletag.cmd.push(aiki() {googletag.display('div-gpt-ad-1449240174198-2');});
Binciken Gliksman "Laplacian Surface Laplacian na yuwuwar yanayin zafin jiki: rawar da yake takawa a cikin samuwar tsarin mulki mai ƙarfi da ruwa" an buga shi a cikin fitowar Nuwamba na jaridar haɗin gwiwa Springer Nature Microgravity.Sakamakon binciken zai iya haifar da kyakkyawar fahimta game da ƙarfafa simintin ƙarfe, ƙyale injiniyoyi su kera injuna masu ɗorewa da jiragen sama masu ƙarfi, da haɓaka masana'antar ƙari.
"Lokacin da kuke tunani game da karfe, aluminum, jan karfe - duk mahimman kayan aikin injiniya, simintin gyare-gyare, walda da samar da ƙarfe na farko - waɗannan masana'antu ne na biliyoyin daloli masu daraja na al'umma," in ji Glicksman."Za ku fahimci cewa muna magana ne game da kayan aiki, kuma ko da ƙananan haɓakawa na iya zama mai mahimmanci."
Kamar yadda ruwa ke yin lu'ulu'u lokacin da ya daskare, wani abu makamancin haka yakan faru lokacin da narkakkar kayan aikin ƙarfe suka ƙarfafa su samar da simintin gyare-gyare.Binciken Gliksman ya nuna cewa a lokacin da ake ƙarfafa ƙarfe na ƙarfe, yanayin tashin hankali tsakanin crystal da narke, da kuma canje-canje a cikin curvature na crystal yayin da yake girma, yana haifar da hawan zafi ko da a kafaffen musaya.Wannan ƙarshe na asali ya sha bamban da ma'aunin Stefan da aka saba amfani da shi a ka'idar simintin gyare-gyare, wanda ƙarfin zafin da ke fitowa daga kristal mai girma ya yi daidai da ƙimar girma.
Gliksman ya lura cewa curvature na crystallite yana nuna yuwuwar sinadarai: madaidaicin lanƙwasa yana ɗan sassaukar da wurin narkewa, yayin da maƙarƙashiya ta ɗan ɗaga shi.Wannan sananne ne a cikin thermodynamics.Abin da ke sabo kuma an riga an tabbatar da shi shine cewa wannan ƙwanƙwasa gradient yana haifar da ƙarin zafi yayin ƙarfafawa, wanda ba a la'akari da ka'idar gargajiya ta simintin gyaran kafa.Bugu da ƙari, waɗannan zazzafan zafi suna "ƙaddara" kuma ba bazuwar ba, kamar amo bazuwar, wanda bisa ga ka'ida za a iya samun nasarar sarrafa shi yayin aiwatar da simintin gyare-gyare don canza microstructure na gami da haɓaka kaddarorin.
"Lokacin da kuka daskare hadaddun kristal microstructures, akwai curvature-induced zafi zafi da za a iya sarrafawa," in ji Gliksman."Idan ana sarrafa ta ta hanyar abubuwan da ke tattare da sinadarai ko tasirin jiki kamar matsa lamba ko filayen maganadisu masu ƙarfi, waɗannan sauye-sauyen zafi a cikin simintin gyare-gyare na gaske na iya haɓaka microstructure kuma a ƙarshe sarrafa simintin simintin gyare-gyare, tsarin walda, har ma da bugu na 3D."
Baya ga kimar kimiyyar sa, binciken ya kasance mai matuƙar mahimmanci ga Glixman, godiya a babban bangare ga taimakon taimakon abokin aikin marigayi.Daya daga cikin irin wannan abokin aikin shi ne Paul Steen, farfesa a kan injiniyoyin ruwa a Jami'ar Cornell, wanda ya mutu a bara.Bayan 'yan shekarun da suka gabata, Steen ya taimaka wa Glicksman a cikin bincikensa game da kayan a cikin microgravity ta amfani da injinan jirgin ruwa na sararin samaniya da binciken kayan.Springer Nature ya sadaukar da fitowar Microgravity na Nuwamba ga Steen kuma ya tuntubi Gliksman don rubuta labarin kimiyya game da binciken don girmama shi.
“Hakan ya sa na haɗa wani abu mai ban sha’awa da Bulus zai yaba musamman.Tabbas, yawancin masu karatun wannan labarin bincike suma suna sha'awar yankin da Bulus ya ba da gudummawar, wato interface thermodynamics, "in ji Gliksman.
Wani abokin aikin da ya zaburar da Gliksman ya rubuta labarin shine Semyon Koksal, farfesa a fannin lissafi, shugaban sashen kuma mataimakin shugaban harkokin ilimi a Cibiyar Fasaha ta Florida, wanda ya mutu a cikin Maris 2020. Gliksman ya bayyana ta a matsayin mai kirki, mai hankali wanda ya kasance mai jin daɗi. don yin magana da shi, lura da cewa ta taimaka masa ya yi amfani da ilimin lissafi a cikin bincikensa.
“Ni da ita abokan juna ne kuma tana sha’awar aikina sosai.Semyon ya taimake ni lokacin da na tsara ma'auni daban-daban don bayyana yanayin zafi da curvature ya haifar," in ji Gliksman."Mun dauki lokaci mai yawa muna tattaunawa game da daidaito na da yadda za a tsara su, iyakokin su, da dai sauransu. Ita ce kadai mutumin da na yi shawara kuma ta taimaka sosai wajen tsara ka'idar lissafi da kuma taimaka mini in daidaita."
Ƙarin bayani: Martin E. Gliksman et al., Surface Laplacian na yuwuwar yanayin thermochemical: rawar da yake takawa a cikin samuwar yanayin ruwa mai ƙarfi, npj Microgravity (2021).DOI: 10.1038/s41526-021-00168-2
Idan kun ci karo da rubutu, kuskure, ko kuna son ƙaddamar da buƙatun don gyara abubuwan da ke cikin wannan shafin, da fatan za a yi amfani da wannan fom.Don tambayoyi na gaba ɗaya, da fatan za a yi amfani da fam ɗin tuntuɓar mu.Don ƙarin bayani, da fatan za a yi amfani da sashin sharhi na jama'a a ƙasa (shawarwari don Allah).
Ra'ayin ku yana da mahimmanci a gare mu.Koyaya, saboda yawan saƙon, ba za mu iya ba da garantin amsa kowane mutum ba.
Ana amfani da adireshin imel ɗin ku kawai don sanar da masu karɓa wanda ya aika imel ɗin.Ba za a yi amfani da adireshin ku ko adireshin mai karɓa don wata manufa ba.Bayanin da kuka shigar zai bayyana a cikin imel ɗin ku kuma Phys.org ba za a adana shi ta kowace hanya ba.
Sami sabuntawa na mako-mako da/ko yau da kullun a cikin akwatin saƙo naka.Kuna iya cire rajista a kowane lokaci kuma ba za mu taɓa raba bayanan ku tare da wasu mutane na uku ba.
Wannan gidan yanar gizon yana amfani da kukis don sauƙaƙe kewayawa, bincika amfanin ku na ayyukanmu, tattara bayanai don keɓance tallace-tallace, da samar da abun ciki daga ɓangare na uku.Ta amfani da gidan yanar gizon mu, kun yarda cewa kun karanta kuma kun fahimci Manufar Sirrin mu da Sharuɗɗan Amfani.