Tsarin shiri na kayan haɗin fiber carbon

Bayani game da Kayan Haɗin Carbon-Carbon

Kayan haɗin carbon/carbon (C/C)wani abu ne da aka ƙarfafa da aka yi da zare na carbon wanda ke da kyawawan halaye kamar ƙarfi da modulus mai ƙarfi, nauyi na musamman na haske, ƙaramin ma'aunin faɗaɗa zafi, juriyar tsatsa, juriyar girgizar zafi, juriyar gogayya mai kyau, da kuma kyakkyawan kwanciyar hankali na sinadarai. Sabon nau'in kayan haɗin zafin jiki mai matuƙar zafi ne.

Kayan haɗin C/Ckayan injiniya ne mai kyau na tsarin zafi da aiki. Kamar sauran kayan haɗin gwiwa masu aiki mai girma, tsarin haɗin gwiwa ne wanda ya ƙunshi matakin da aka ƙarfafa da fiber da kuma matakin asali. Bambancin shine cewa duka matakin da aka ƙarfafa da kuma matakin asali an haɗa su da tsantsar carbon tare da halaye na musamman.

Kayan haɗin carbon/carbonAn yi su ne galibi da ƙarfe mai kama da carbon, zane mai kama da carbon, zare mai kama da carbon a matsayin ƙarfafawa, da kuma tururin da aka ajiye a cikin tururi a matsayin matrix, amma yana da abu ɗaya kawai, wato carbon. Domin ƙara yawan carbon, ana sanya carbon da carbon ke samarwa a cikin carbon ko kuma a saka shi da resin (ko kwalta), wato, an yi kayan haɗin carbon/carbon ne da kayan carbon guda uku.

Tsarin kera kayan haɗin carbon-carbon

1) Zaɓin zaren carbon

Zaɓin fakitin carbon fiber da tsarin zane na yadin fiber sune tushen ƙeraHaɗin C/CAna iya tantance halayen injiniya da halayen thermophysical na mahaɗan C/C ta hanyar zaɓar nau'ikan zare da sigogin saƙa na yadi cikin hankali, kamar yadda aka tsara tsarin fakitin zare, tazara tsakanin fakitin zare, yawan fakitin zare, da sauransu.

2) Shiri na carbon fiber preform

Tsarin zare na carbon yana nufin wani fanko da aka samar a cikin siffar tsarin zare da ake buƙata bisa ga siffar samfurin da buƙatun aiki don aiwatar da tsarin yawa. Akwai manyan hanyoyin sarrafawa guda uku don sassan tsarin da aka riga aka tsara: saƙa mai laushi, saƙa mai tauri da saƙa mai laushi da tauri. Manyan hanyoyin saƙa sune: saƙa busasshen zare, tsarin rukuni na sanda da aka riga aka sanya, huda mai kyau, lanƙwasa zare da saƙa mai girma uku. A halin yanzu, babban tsarin saƙa da ake amfani da shi a cikin kayan haɗin C shine saƙa mai girma uku gabaɗaya da yawa. A lokacin aikin saƙa, duk zare da aka saka ana shirya su a wani takamaiman alkibla. Kowane zare yana daidaitawa a wani kusurwa tare da alkiblarsa kuma an haɗa shi da juna don samar da masaka. Halayensa shine cewa yana iya samar da masaka mai girma uku gabaɗaya da yawa, wanda zai iya sarrafa yawan zare a kowane alkibla na kayan haɗin C/C, don haka kayan haɗin C/C zai iya yin halayen injiniya masu ma'ana a kowane alkibla.

3) Tsarin yawan C/C

Matakin da ingancin yawan danshi yana shafar tsarin masana'anta da kuma sigogin tsarin kayan tushe. Hanyoyin da ake amfani da su a yanzu sun haɗa da gurɓatar da iskar gas, gurɓatar tururin sinadarai (CVD), gurɓatar tururin sinadarai (CVI), gurɓatar ruwa mai sinadarai, pyrolysis da sauran hanyoyi. Akwai manyan nau'ikan hanyoyin tsari guda biyu: tsarin gurɓatar tururin sinadarai da tsarin gurɓatar tururin sinadarai.

Ruwan shara-shara-carbonization na lokaci-lokaci

Hanyar shigar da ruwa a cikin lokaci mai sauƙi a cikin kayan aiki kuma tana da fa'ida sosai, don haka hanyar shigar da ruwa a cikin lokaci mai mahimmanci hanya ce ta shirya kayan haɗin C/C. Yana nufin nutsar da preform ɗin da aka yi da zare na carbon a cikin abin da aka sanya a cikin ruwa, da kuma sanya abin da aka sanya a cikin ciki ya shiga cikin ramukan preform ɗin gaba ɗaya ta hanyar matsi, sannan ta hanyar jerin hanyoyin kamar curing, carbonization, da graphitization, a ƙarshe samuKayan haɗin C/C. Rashin kyawunsa shine yana ɗaukar maimaita sake zagayowar shigarwa da kuma sake haɗa sinadarin carbon don cimma buƙatun yawan amfani. Tsarin da tsarin abin da ke cikin abin da ke cikin abin da ke cikin abin da ke cikin abin da ke cikin abin yana da matuƙar muhimmanci. Ba wai kawai yana shafar ingancin yawan amfani da shi ba, har ma yana shafar halayen injiniya da na zahiri na samfurin. Inganta yawan amfani da sinadarin carbonization na abin da ke cikin ... Zafin iskar shaka na kayan haɗin C/C yana da kusan digiri 450 na Celsius. Kayan haɗin C/C suna da sauƙin oxidize a cikin yanayin iskar shaka mai zafi, kuma ƙimar oxidation yana ƙaruwa da sauri tare da ƙaruwar zafin jiki. Idan babu ma'aunin hana oxidation, amfani da kayan haɗin C/C na dogon lokaci a cikin yanayin iskar shaka mai zafi zai haifar da mummunan sakamako. Saboda haka, maganin hana oxidation na kayan haɗin C/C ya zama wani ɓangare na tsarin shirye-shiryensa. Daga mahangar fasahar hana oxidation, ana iya raba shi zuwa fasahar hana oxidation ta ciki da fasahar rufe oxidation.

Matakan Tururin Sinadarai

Tacewar tururin sinadarai (CVD ko CVI) ita ce a saka carbon kai tsaye a cikin ramukan da ke cikin ramin don cimma manufar cike ramukan da kuma ƙara yawansu. Carbon da aka ajiye yana da sauƙin yin graphitize, kuma yana da kyakkyawan jituwa da zare. Ba zai ragu ba yayin sake haɗa carbon kamar hanyar da aka sanya shi, kuma halayen jiki da na injiniya na wannan hanyar sun fi kyau. Duk da haka, a lokacin aikin CVD, idan aka sanya carbon a saman wurin da babu komai, zai hana iskar gas ta bazu zuwa cikin ramukan ciki. Ya kamata a cire carbon da aka ajiye a saman ta hanyar injiniya sannan a yi sabon zagaye na ajiya. Ga kayayyaki masu kauri, hanyar CVD kuma tana da wasu matsaloli, kuma zagayowar wannan hanyar ma tana da tsayi sosai.