Ezinsukwini ezimbalwa ezedlule, uprofesa wase-University of Washington u-Aniruddh Vashisth ushicilele iphepha kujenali yamazwe ngamazwe egunyazwe i-Carbon, ethi uthuthukise ngempumelelo uhlobo olusha lwe-carbon fiber composite material.Ngokungafani ne-CFRP yendabuko, engakwazi ukulungiswa uma yonakele, izinto ezintsha zingalungiswa ngokuphindaphindiwe.
Ngenkathi igcina izakhiwo zemishini yezinto zendabuko, i-CFRP entsha yengeza inzuzo entsha, okungukuthi, ingalungiswa ngokuphindaphindiwe ngaphansi kwesenzo sokushisa.Ukushisa kungalungisa noma yikuphi ukulimala kokukhathala kwezinto, futhi kungasetshenziswa ukubola impahla uma idinga ukugaywa kabusha ekupheleni komjikelezo wesevisi.Njengoba i-CFRP yendabuko ingakwazi ukugaywa kabusha, kubalulekile ukwakha impahla entsha engagaywa kabusha noma ilungiswe kusetshenziswa amandla ashisayo noma ukushisisa kwamafrikhwensi omsakazo.
USolwazi Vashisth uthe umthombo wokushisa ungabambezela unomphela inqubo yokuguga ye-CFRP entsha.Ukukhuluma ngokuqinile, le nto kufanele ibizwe ngokuthi i-Carbon Fiber Reinforced Vitrimers (vCFRP, Carbon Fiber Reinforced Vitrimers).I-Glass polymer (i-Vitrimers) iwuhlobo olusha lwento ye-polymer ehlanganisa izinzuzo zepulasitiki ye-thermoplastic kanye ne-thermosetting eqanjwe usosayensi waseFrance uProfessor Ludwik Leibler ngo-2011. I-Vitrimers impahla isebenzisa indlela yokushintshisana yebhondi eguquguqukayo, engenza ukushintshaniswa kwebhondi yamakhemikhali ebuyisele emuva ngendlela eguquguqukayo. lapho kushisa, futhi ngesikhathi esifanayo gcina isakhiwo esixhunywe esiphambanweni sisonke, ukuze ama-polymers e-thermosetting akwazi ukuziphilisa futhi acutshungulwe njengama-polymers we-thermoplastic.
Ngokuphambene, izinto ezivame ukubizwa ngokuthi yi-carbon fibre composite materials yi-carbon fibre reinforced resin matrix composite materials (CFRP), ezingahlukaniswa zibe izinhlobo ezimbili: i-thermoset noma i-thermoplastic ngokusho kwesakhiwo se-resin ehlukene.Izinto ezihlanganisiwe ze-Thermosetting ngokuvamile zihlanganisa i-epoxy resin, izibopho zamakhemikhali ezingahlanganisa unomphela izinto zibe umzimba owodwa.Izinhlanganisela ze-Thermoplastic ziqukethe izinhlaka ze-thermoplastic ezithambile ezingancibilika futhi zicutshungulwe kabusha, kodwa lokhu kuzothinta nakanjani amandla nokuqina kwento.
Amabhondi amakhemikhali ku-vCFRP angaxhunywa, anqanyulwe, futhi axhunywe kabusha ukuze kutholwe “indawo ephakathi” phakathi kwe-thermoset nezinto ezisetshenziswayo ze-thermoplastic.Abacwaningi bephrojekthi bakholelwa ukuthi ama-Vitrimers angaba esikhundleni se-thermosetting resins futhi agweme ukunqwabelana kwezinhlanganisela ze-thermosetting ezindaweni zokulahla.Abacwaningi bakholelwa ukuthi i-vCFRP izoba wushintsho olukhulu isuka ezintweni ezivamile iye ezintweni eziguquguqukayo, futhi izoba nochungechunge lwemithelela ngokuya ngezindleko zomjikelezo wokuphila ogcwele, ukwethembeka, ukuphepha, nokugcinwa.
Njengamanje, ama-wind turbine blades angenye yezindawo lapho ukusetshenziswa kwe-CFRP kukhulu, futhi ukutholwa kwama-blade bekulokhu kuyinkinga kulo mkhakha.Ngemva kokuphela kwesikhathi senkonzo, izinkulungwane zama-blade asethathe umhlalaphansi zalahlwa endaweni yokulahla imfucumfucu ngendlela yokulahla imfucumfucu, okwadala umthelela omkhulu emvelweni.
Uma i-vCFRP ingasetshenziselwa ukukhiqiza ama-blade, ingase igaywe kabusha futhi isetshenziswe kabusha ngokufudumeza okulula.Ngisho noma i-blade elungisiwe ingenakulungiseka futhi isetshenziswe kabusha, okungenani ingaboliswa ukushisa.Izinto ezintsha ziguqula umjikelezo wempilo olayini wezinhlanganisela ze-thermoset ube umjikelezo wempilo ojikelezayo, okuzoba isinyathelo esikhulu ekuthuthukisweni okusimeme.
Uma i-vCFRP ingasetshenziselwa ukukhiqiza ama-blade, ingase igaywe kabusha futhi isetshenziswe kabusha ngokufudumeza okulula.Ngisho noma i-blade elungisiwe ingenakulungiseka futhi isetshenziswe kabusha, okungenani ingaboliswa ukushisa.Izinto ezintsha ziguqula umjikelezo wempilo olayini wezinhlanganisela ze-thermoset ube umjikelezo wempilo ojikelezayo, okuzoba isinyathelo esikhulu ekuthuthukisweni okusimeme.
Isikhathi sokuthumela: Nov-09-2021