Ƙimar Ƙarfafa Dorewa Tare da Abubuwan Abubuwan Alumina Masu Tauri Zirconia

ZTA yumbura yana samar da ingantattun kaddarorin tribological idan aka kwatanta da yumbu na alumina na yau da kullun, yin su da manufa zabi ga yankan kayan aikin, bearings, famfo da abubuwan sarrafa ruwa.

Karkashin damuwa, Barbashi zirconia suna canzawa daga sifofin crystal tetragonal metastable zuwa na monoclinic, samar da faɗaɗa ƙarar ƙara wanda ke danne fashe a cikin matrix alumina kuma yana haɓaka taurin karaya sosai.

Saka Resistance

Zirconia taurin Alumina (ZTA) abu ne mai matuƙar ɗorewa. Yana iya jure tasiri abrasion ko gogayya lalacewa ba tare da wahala ba; yin shi kyakkyawan zaɓi na kayan abu don yankan ƙafafun. Bugu da kari, ZTA na iya jure yanayin zafi ba tare da lalacewa ko lalacewa ba.

ZTA yana da matukar juriya ga lalata sinadarai, yin shi kyakkyawan zaɓi na kayan abu don ƙirar likita. Mai jituwa kuma mai ikon jure hulɗar ruwan jiki, ZTA kuma tana alfahari da ƙarfin sassauƙa – cikakke don aikace-aikacen maye gurbin hip.

ZTA an ƙirƙira ta ta hanyar canzawa mai haifar da damuwa na kyawawan ƙwayoyin zirconia tetragonal zuwa siffar monoclinic.. Wannan yana ƙara taurin karaya ta hanyar faɗaɗa sarari a kusa da tsaga. Saboda haka, ZTA yana tabbatar da ƙarfi da ƙarfi fiye da alumina don aikace-aikacen sawa.

Juriya na Lalata

Zirconia taurin Alumina (ZTA) wani ci-gaba ne yumbu abu na fasaha da aka yi amfani da ko'ina a cikin masana'antu don ƙarfinsa, tauri, sa juriya da lalata juriya Properties. ZTA tana samun aikace-aikace a sassa da yawa da suka haɗa da kera motoci da sararin samaniya don abubuwa kamar kayan injin, injin turbines da sassan injina yayin aiki azaman abubuwan lalacewa a cikin famfo, hatimi da kayan aikin yankan da ake amfani da su don aikace-aikacen injina. Hakanan aikin tiyatar filin likita na iya amfani da wannan kayan saboda dacewarsa.

Dorewa a cikin wannan kayan yana fitowa ne daga tsarin ƙarfafawa da ke haifar da damuwa, A cikin abin da barbashi zirconia a cikin matrix alumina suna fuskantar canji zuwa tsarin monoclinic ta hanyar damuwa da ke haifar da canji mai ƙarfi., yana taimakawa kusa da tsagewa da ƙara ƙarfin karaya, don haka kare kanta daga lalacewa a wurare daban-daban kamar phosphoric acid, sulfuric acid da distilled ruwa. Wannan yana ba shi damar tsayayya da lalata.

Babban Ƙarfi

Haɗuwa da alumina da zirconia yana haifar da ƙara ƙarfi da taurin karaya idan aka kwatanta da daidaitattun alumina., yin ZTA kyakkyawan zaɓi na kayan abu don abubuwan da aka haɗa da ɗaukar nauyi. Bugu da kari, ZTA kuma tana alfahari da juriyar lalata sinadarai.

ZTA tana da ƙarfi da ƙarfi saboda jujjuya barbashi na tetragonal zirconia zuwa lu'ulu'u na monoclinic ta hanyar jujjuyawar damuwa ta hanyar lodin injin ko canjin yanayin zafi., da kuma matsa lamba na gaba daga monoclinic zirconia crystal samuwar damfara matrix alumina, yana ba shi ƙarfi mai girma, karko, da thermal shock juriya.

Wannan yumbu na musamman yana alfahari da ƙarfin jujjuyawa da ƙarancin haɓakar haɓakar thermal, yin shi cikakke ga aikace-aikacen da ke buƙatar hanyoyin sanyaya. Bugu da kari, juriyarsa ga sinadarai masu lalata – ciki harda ruwan jiki – yana sanya ƙwararrun likitocin da suka dace da sanyawa a cikin mutane ba tare da haɗarin lalacewa a kan lokaci yana ba marasa lafiya damar jin daɗin abubuwan jin daɗi ba tare da damuwa game da lalacewar shuka a cikin lokaci ba..

Babban Tauri

ZTA yumbura yana haɓaka taurin alumina ta hanyar jujjuya abubuwan da ke haifar da damuwa na barbashi zirconia zuwa masu kyau., samu ta hanyar sintering da zafi isostatic latsa (HIP). Dangane da adadin zirconia da ke cikin matrix, ZTA na iya ko dai yana da ƙananan kaddarorin tauri.

Clausen ya nuna a cikin 1976 cewa alumina matrices dauke da unstabilized zirconia za a iya tauri don inganta inji Properties ta hada da unstabilized zirconia lu'ulu'u kamar yadda finely tarwatsa metastable hazo., kamar waɗanda aka samo daga lu'ulu'u na zirconia marasa ƙarfi, don inganta kayan aikin injiniya. Ya tabbatar da wannan batu ta amfani da yada fasa; Lokacin da fasa suka matsa gaba ta cikin kayan kuma suka matsa yankinsa gaba da titin su za su iya canzawa zuwa lokaci na monoclinic kuma su juyo zuwa gare shi cikin sauri fiye da in ba haka ba zai faru in ba haka ba..

Wannan hanyar ƙarfafawa yana ƙara ƙarfin sassauƙa da karye taurin alumina yayin da yake ƙara taurin lokaci guda., ƙirƙirar kayan haɗin da ba a haɗa ba wanda ya dace da aikace-aikacen da ke buƙatar babban tauri, taurin kai, juriya ga karaya da buƙatun sanyaya kamar masu yankan masana'antu, niƙa lalacewa sassa ko sanyaya sassa.