ozi

Ụbọchị ole na ole gara aga, prọfesọ Aniruddh Vashisth nke Mahadum Washington bipụtara akwụkwọ n'akwụkwọ akụkọ mba ụwa bụ Carbon, na-azọrọ na ya emebela nke ọma n'ịmepụta ụdị ihe ọkụkụ carbon fiber ọhụrụ.N'adịghị ka CFRP ọdịnala, nke enweghị ike ịrụzi ozugbo mebiri emebi, enwere ike ịrụzi ihe ọhụrụ ugboro ugboro.

反复修复CFRP-1

Mgbe ị na-ejigide ihe eji arụ ọrụ nke ihe ọdịnala, CFRP ọhụrụ ahụ na-agbakwụnye uru ọhụrụ, ya bụ, enwere ike ịrụzi ya ugboro ugboro n'okpuru omume okpomọkụ.Okpomọkụ nwere ike imezi ihe ọ bụla mebiri ike ọgwụgwụ nke ihe ahụ, a pụkwara iji ya mebie ihe ahụ mgbe ọ dị mkpa ka a rụgharịa ya na njedebe nke usoro ọrụ ahụ.Ebe ọ bụ na enweghị ike ịmegharị CFRP ọdịnala, ọ dị mkpa ịmepụta ihe ọhụrụ enwere ike ịmegharị ma ọ bụ rụzie ya site na iji ike ọkụ ma ọ bụ kpo oku redio.
Prọfesọ Vashisth kwuru na isi iyi ọkụ nwere ike igbu oge usoro ịka nká nke CFRP ọhụrụ.N'ikwu ya nke ọma, a ga-akpọ ihe a Carbon Fiber Reinforced Vitrimers (vCFRP, Carbon Fiber Reinforced Vitrimers).Glass polymer (Vitrimers) bụ ụdị ihe ọhụrụ nke polymer nke na-ejikọta uru nke thermoplastic na thermosetting plastics nke onye ọkà mmụta sayensị French bụ Prọfesọ Ludwik Leibler chepụtara na 2011. Vitrimers ihe onwunwe na-eji usoro mgbanwe mgbanwe mgbanwe ike, nke nwere ike ịrụ mgbanwe mgbanwe kemịkalụ na-agbanwe agbanwe n'ụzọ dị ike. mgbe ọ na-ekpo ọkụ, ma n'otu oge ahụ na-ejigide usoro njikọ jikọtara ọnụ n'ozuzu ya, nke mere na polymers thermosetting nwere ike ịgwọ onwe ya ma megharịa ya dị ka polymers thermoplastic.
N'ụzọ dị iche, ihe ndị a na-akpọkarị carbon fiber composite material bụ carbon fiber agbakwunyere resin matrix composite material (CFRP), nke nwere ike kewaa ụzọ abụọ: thermoset ma ọ bụ thermoplastic dị ka usoro resin dị iche iche si dị.Ngwakọta ihe ndị na-ekpo ọkụ na-ekpo ọkụ na-enwekarị resin epoxy, njikọ kemịkalụ nke nwere ike ime ka ihe ahụ bụrụ otu ahụ kpamkpam.Ngwakọta thermoplastic nwere resins thermoplastic dị nro nke enwere ike ịgbaze ma megharịa ya, mana nke a ga-emetụta ike na isi ike nke ihe ahụ.
Enwere ike ijikọ njikọ kemịkalụ dị na vCFRP, kwụpụ, ma jikọọ ọzọ iji nweta “ala etiti” n'etiti ihe ọkụ ọkụ na ihe ọkụ ọkụ.Ndị nchọpụta na-eme nchọpụta kwenyere na Vitrimers nwere ike ịghọ ihe na-anọchi anya resins thermosetting ma zere nchịkọta nke ihe ndị na-ekpo ọkụ na-ekpo ọkụ na-ekpo ọkụ.Ndị na-eme nchọpụta kwenyere na vCFRP ga-abụ nnukwu mgbanwe site na ihe ọdịnala gaa na ihe ndị dị ike, ma ga-enwe mmetụta dị iche iche n'ihe gbasara ụgwọ usoro ndụ zuru oke, ntụkwasị obi, nchekwa, na mmezi.
反复修复CFRP-2
Ka ọ dị ugbu a, ikuku turbine bụ otu n'ime ebe CFRP na-eji eme ihe dị ukwuu, na mgbake nke agụba abụwo nsogbu mgbe niile na mpaghara a.Mgbe njedebe nke oge ọrụ ahụ gasịrị, a na-atụfu ọtụtụ puku akwụkwọ ndị lara ezumike nká n'ime ebe a na-ekpofu ihe n'ụdị nsị, nke kpatara mmetụta dị ukwuu na gburugburu ebe obibi.
Ọ bụrụ na enwere ike iji vCFRP maka nrụpụta agụba, enwere ike megharịa ya ma jiri ya mee ihe site na ikpo ọkụ dị mfe.Ọbụlagodi na agụba a na-agwọ enweghị ike ịrụzi ma jiri ya mee ihe, ma ọ dịkarịa ala ọ nwere ike mebie ya site na ọkụ.Ihe ọhụrụ a na-agbanwe usoro ndụ ndụ linear nke thermoset composites ka ọ bụrụ usoro ndụ cyclic, nke ga-abụ nnukwu nzọụkwụ maka mmepe mmepe.

Oge nzipu: Nov-09-2021