labarai

Kwanaki kadan da suka gabata, farfesa a jami'ar Washington Aniruddh Vashisth ya buga wata takarda a cikin wata jarida mai iko ta duniya Carbon, yana mai da'awar cewa ya sami nasarar kera wani sabon nau'in nau'in fiber na carbon.Ba kamar CFRP na gargajiya ba, wanda ba za a iya gyarawa da zarar an lalace ba, ana iya gyara sabbin kayan akai-akai.

反复修复CFRP-1

Duk da yake kiyaye kayan aikin injiniya na kayan gargajiya, sabon CFRP yana ƙara sabon amfani, wato, ana iya gyara shi akai-akai a ƙarƙashin aikin zafi.Zafi na iya gyara duk wani lahani na gajiyar kayan, kuma ana iya amfani da shi don lalata kayan lokacin da ake buƙatar sake yin fa'ida a ƙarshen zagayowar sabis.Tun da CFRP na gargajiya ba za a iya sake yin fa'ida ba, yana da mahimmanci don haɓaka sabon abu wanda za'a iya sake yin fa'ida ko gyara ta amfani da makamashin zafi ko dumama mitar rediyo.
Farfesa Vashisth ya ce tushen zafi na iya jinkirta tsarin tsufa na sabon CFRP har abada.Magana mai mahimmanci, wannan abu yakamata a kira shi Carbon Fiber Reinforced Vitrimers (vCFRP, Carbon Fiber Reinforced Vitrimers).Gilashin polymer (Vitrimers) wani sabon nau'in kayan polymer ne wanda ya haɗu da fa'idodin robobi na thermoplastic da thermosetting robobi wanda masanin kimiyya na Faransa Farfesa Ludwik Leibler ya ƙirƙira a cikin 2011. Kayan Vitrimers yana amfani da tsarin musayar haɗin gwiwa mai ƙarfi, wanda zai iya yin musayar haɗin gwiwar sinadarai mai jujjuyawa cikin yanayi mai ƙarfi. lokacin zafi, kuma a lokaci guda yana kula da tsarin haɗin gwiwar gabaɗaya, ta yadda polymers ɗin thermosetting za su iya zama masu warkarwa da kansu kuma a sake yin su kamar polymers na thermoplastic.
Sabanin haka, abin da aka fi sani da carbon fiber composite kayan shine carbon fiber ƙarfafa resin matrix composite kayan (CFRP), wanda za a iya raba iri biyu: thermoset ko thermoplastic bisa ga daban-daban guduro tsarin.Abubuwan da aka haɗa na thermosetting yawanci suna ɗauke da resin epoxy, haɗin sinadarai wanda a ciki zai iya haɗa kayan cikin jiki ɗaya har abada.Abubuwan da aka haɗa na thermoplastic sun ƙunshi resin thermoplastic masu laushi masu ɗanɗano waɗanda za a iya narkar da su kuma a sake sarrafa su, amma wannan ba makawa zai yi tasiri ga ƙarfi da taurin kayan.
Ana iya haɗa haɗin sinadarai a cikin vCFRP, cire haɗin, da sake haɗawa don samun "tsakiyar ƙasa" tsakanin thermoset da kayan thermoplastic.Masu bincike na aikin sun yi imanin cewa Vitrimers na iya zama madadin resins na thermosetting kuma su guje wa tarin abubuwan da aka haɗa da thermosetting a cikin wuraren da ke ƙasa.Masu bincike sun yi imanin cewa vCFRP za ta zama babban canji daga kayan gargajiya zuwa kayan aiki masu ƙarfi, kuma za su sami jerin tasiri dangane da cikakken farashi na rayuwa, aminci, aminci, da kiyayewa.
反复修复CFRP-2
A halin yanzu, injin injin turbin na ɗaya daga cikin wuraren da ake amfani da CFRP mai girma, kuma dawo da ruwan wukake ya kasance matsala koyaushe a wannan filin.Bayan karewar wa'adin sabis ɗin, an jefar da dubunnan ɓangarorin da suka yi ritaya a cikin ma'aunin shara a cikin nau'in zubar da ƙasa, wanda ya haifar da babban tasiri ga muhalli.
Idan za'a iya amfani da vCFRP don kera ruwa, ana iya sake yin fa'ida kuma a sake amfani dashi ta hanyar dumama mai sauƙi.Ko da ba za a iya gyara ruwa da aka yi amfani da shi ba kuma a sake amfani da shi, aƙalla ana iya lalata shi da zafi.Sabon kayan yana canza tsarin rayuwa na madaidaiciyar abubuwan da ke tattare da thermoset zuwa tsarin rayuwa mai zagaye, wanda zai zama babban mataki na ci gaba mai dorewa.

Lokacin aikawa: Nuwamba-09-2021