Site na mmepe na-aga n'ihu nke ihe ndị mejupụtara ihe mejupụtara, na mgbakwunye na plastik fiber na-eme ka iko, carbon fiber na-eme ka plastik, plastik boron fiber, wdg pụtara.Carbon fiber polymer mesiri ikeNgwakọta (CFRP) bụ ihe dị arọ na ihe siri ike a na-eji emepụta ọtụtụ ngwaahịa anyị na-eji na ndụ anyị kwa ụbọchị.Ọ bụ okwu eji akọwa ihe mejupụtara ihe mejupụtara fiber na-eji eriri carbon dịka isi ihe eji arụ ọrụ.
Isiokwu ọdịnaya:
1. Carbon Fiber Reinforced Polymer Structure
2. Ụzọ ịkpụzi nke Carbon Fiber Reinforced Plastic
3. Njirimara nke Carbon Fiber Reinforced Polymer
4. Uru nke CFRP
5. Mwepu nke CFRP
6. Carbon Fiber Reinforced Plastic Jiri
Ihe owuwu Polymer agbakwunyere Carbon Fiber
Carbon fiber mesiri plastic bụ ihe a kpụrụ site n'ịhazi ihe carbon fiber n'otu akụkụ yana iji ihe polymer jikọtara ọnụ.Dayameta nke eriri carbon dị ezigbo mkpa, ihe dị ka micron 7, mana ike ya dị oke elu.
Akụkụ kachasị mkpa nke ihe mejupụtara fiber carbon agbakwunyere bụ filament carbon fiber.Ihe bụ isi akụrụngwa nke carbon filament bụ prepolymer polyacrylonitrile (PAN), rayon, ma ọ bụ mmanụ ala.A na-emezi filament carbon ka ọ bụrụ akwa carbon fiber site na usoro kemịkalụ na usoro maka akụkụ eriri carbon.
Na-ekekọta polymer na-abụkarị resin thermosetting dị ka epoxy.A na-eji thermosets ndị ọzọ ma ọ bụ polymer thermoplastic mgbe ụfọdụ, dị ka polyvinyl acetate ma ọ bụ naịlọn.Na mgbakwunye na eriri carbon, ihe ndị mejupụtara nwekwara ike ịnwe aramid Q, polyethylene dị arọ dị oke elu, aluminom, ma ọ bụ eriri iko.Njirimara nke ngwaahịa eriri carbon ikpeazụ nwekwara ike imetụta ụdị ihe mgbakwunye ewebatara n'ime matriks njikọ.
Ụzọ ịkpụzi nke Carbon Fiber Reinforced Plastic
Ngwaahịa carbon fiber dị iche iche n'ihi usoro dị iche iche.Enwere ọtụtụ ụzọ maka imepụta ihe polymer agbadoro carbon fiber.
1. Usoro ntinye aka
Kewara n'ime usoro akọrọ (ụlọ ahịa akwadoro) na usoro mmiri (akwa eriri na resin glued iji).A na-ejikwa njide aka na-akwado prepregs maka ojiji na usoro ịkpụzi nke abụọ dị ka mkpakọ ịkpụzi.Usoro a bụ ebe a na-etinye akwa carbon fiber na akwa ka ọ bụrụ ngwaahịa ikpeazụ.A na-emezi ike na ike siri ike nke ihe na-esi na ya pụta site na ịhọrọ nhazi na ịkwanye eriri ákwà.A na-ejuzi ebu ahụ na epoxy wee gwọọ ya na okpomọkụ ma ọ bụ ikuku.A na-ejikarị usoro mmepụta ihe a eme ihe maka akụkụ ndị na-enweghị nchekasị, dị ka mkpuchi engine.
2. Vacuum Forming Method
Maka prepreg laminated, ọ dị mkpa itinye nrụgide site na usoro ụfọdụ iji mee ka ọ dị nso na ịkpụzi na iji gwọọ na ịkpụzi ya n'okpuru ọnọdụ okpomọkụ na nrụgide.Usoro akpa oghere na-eji mgbapụta agụụ na-ewepụ n'ime akpa a na-akpụ ka nrụgide na-adịghị mma n'etiti akpa na ebu ahụ na-emepụta nrụgide nke mere na ihe mgbagwoju anya dị nso na ebu.
N'ịdabere na usoro akpa oghere, a na-enweta usoro nhazi akpa-autoclave ka emechara.Autoclaves na-enye nrụgide dị elu na ikpo ọkụ na-agwọ akụkụ ahụ (kama ọgwụgwọ eke) karịa ụzọ oghere-naanị ụzọ.Akụkụ dị otú ahụ nwere nhazi kọmpat karịa, mma elu dị mma, nwere ike iwepụ ikuku ikuku n'ụzọ dị irè (afụ ga-emetụta ike nke akụkụ ahụ nke ukwuu), na njirimara zuru oke dị elu.N'ezie, usoro nke akpa oghere yiri nke ihe nkiri ekwentị mkpanaaka.Ikpochapụ afụ ikuku bụ nnukwu ọrụ.
3. Usoro ịkpụzi mkpakọ
Ịkpụzi mkpakọbụ usoro ịkpụzi nke na-enyere aka imepụta oke na mmepụta oke.A na-ejikarị akụkụ elu na nke ala eme ihe ọkpụkpụ, nke anyị na-akpọ ebu nwoke na ebu nwanyị.The ịkpụzi usoro bụ na-etinye ute mere nke prepregs n'ime metal counter ebu, na n'okpuru omume nke ụfọdụ okpomọkụ na nrụgide, ute na-ekpo ọkụ na plasticized na ebu oghere, eruba n'okpuru nrụgide, na-ejuputa ebu oghere, na mgbe ahụ. Na ịkpụzi na ọgwụgwọ iji nweta ngwaahịa.Otú ọ dị, usoro a nwere ọnụ ahịa mbụ dị elu karịa nke ndị gara aga, ebe ọ bụ na ebu na-achọ ezigbo CNC machining.
4. Ịkpụzi ikuku
Maka akụkụ ndị nwere ọdịdị dị mgbagwoju anya ma ọ bụ na ọdịdị nke mgbanwe mgbanwe, enwere ike iji eriri filament mee akụkụ ahụ site na ịgbanye filament na mandrel ma ọ bụ isi.Mgbe winding bụ zuru ezu ọgwụgwọ na-ewepụ mandrel.Dịka ọmụmaatụ, ogwe aka njikọ tubular ejiri na sistemu nkwusioru nwere ike iji usoro a mee.
5. Resin Nyefee ịkpụzi
Mbufe resin (RTM) bụ usoro ịkpụzi ewu ewu.Nzọụkwụ ya bụ isi bụ:
1. Debe akwa carbon fiber a kwadebere nke ọma na ebu ma mechie ebu ahụ.
2. Tinye mmiri mmiri resin thermosetting n'ime ya, tinye ihe na-agba ume, ma gwọọ ya.
Ngwongwo nke Carbon Fiber Reinforced Polymer
(1) Ike dị elu na ịdị mma dị mma.
Ike a kapịrị ọnụ (ya bụ, nha nke ike ike na njupụta) nke eriri carbon bụ okpukpu isii nke ígwè na okpukpu 17 nke aluminom.Modules a kapịrị ọnụ (ya bụ, nha nke modul Young na njupụta, nke bụ akara nke ngbanwe nke ihe) karịrị okpukpu atọ karịa nke ígwè ma ọ bụ aluminom.
N'iji ike dị elu dị elu, ọ nwere ike iburu nnukwu ibu ọrụ.Oke nrụgide ọrụ ya nwere ike iru 350 kg / cm2.Tụkwasị na nke ahụ, ọ na-eme ka ọ dịkwuo mfe ma na-agbanwe agbanwe karịa F-4 dị ọcha na braid ya.
(2) Ezigbo ike ọgwụgwụ na-eyi nguzogide.
Nguzogide ike ọgwụgwụ ya dị elu karịa nke resin epoxy ma dị elu karịa nke ihe igwe.Eriri eserese na-eme mmanụ onwe ya ma nwee obere ọnụọgụ nke esemokwu.Ọnụ ego a na-eyi bụ 5-10 ugboro dị ntakịrị karịa nke ngwaahịa asbestos izugbe ma ọ bụ F-4 braids.
(3) Ezi conductivity thermal na okpomọkụ na-eguzogide.
Ihe ndị e ji plastik mee ka eriri carbon mesie ike na-enwe ezigbo ọkụ, na ọkụ nke esemokwu na-ebute na-adịkwa ngwa ngwa.Ime ime adịghị mfe ikpo ọkụ na ịchekwa okpomọkụ ma nwee ike iji ya dị ka ihe mkpuchi dị ike.N'ikuku, ọ nwere ike ịrụ ọrụ nke ọma na oke okpomọkụ nke -120 ~ 350 ° C.Site na mbelata ọdịnaya metal alkali na eriri carbon, enwere ike ịbawanye okpomọkụ ọrụ.N'ime gas inert, okpomọkụ ya nwere ike iru ihe dịka 2000 Celsius, ọ nwere ike iguzogide mgbanwe dị nkọ na oyi na okpomọkụ.
(4) Ezi nguzogide vibration.
Ọ dịghị mfe ịmegharị ma ọ bụ ịgbagharị, ọ bụkwa ihe magburu onwe ya maka mbelata mkpọtụ na mbelata mkpọtụ.
Uru nke CFRP
1. Ìhè arọ
Plastics fiber iko ọdịnala na-emesi ike na-eji eriri iko na-aga n'ihu na eriri iko 70% (arọ iko / mkpokọta mkpokọta) ma na-enwekarị njupụta nke 0.065 pound kwa cubic inch.Ngwakọta CFRP nwere otu ibu 70% fiber na-enwekarị njupụta nke 0.055 pound kwa cubic inch.
2. Ike dị elu
Ọ bụ ezie na ụrọ carbon na-emesi ike na polymer dị arọ, ihe mejupụtara CFRP nwere ike dị elu yana nkwụsi ike dị elu kwa otu nha karịa ihe mejupụtara enyo fiber.E jiri ya tụnyere ihe ígwè, uru a pụtara ìhè karị.
Ọdịmma nke CFRP
1. Ọnụ ego dị elu
Ọnụ ego mmepụta nke eriri carbon carbon gbasiri ike bụ ihe mgbochi.Ọnụ ahịa eriri carbon nwere ike ịdịgasị iche n'ụzọ dị egwu dabere na ọnọdụ ahịa dị ugbu a (ọkwasa na ọchịchọ), ụdị eriri carbon (aerospace vs. azụmahịa ọkwa), na nha nke eriri eriri.Na paụnd maka paụnd, eriri carbon na-amaghị nwoke nwere ike ịdị ọnụ karịa ugboro 5 ruo 25 karịa eriri iko.Ọdịiche a dị ọbụna karịa mgbe a na-atụnyere ígwè na CFRP.
2. Omume
Nke a bụ uru na mwepu nke carbon fiber composite material.Ọ dabere na ngwa ahụ.Fibre carbon na-eduzi nke ukwuu na eriri iko na-ekpuchi mkpuchi.Ọtụtụ ngwaahịa na-eji fiberglass kama iji eriri carbon ma ọ bụ ígwè n'ihi na ha chọrọ mkpuchi siri ike.Na mmepụta nke ihe eji eme ihe, ọtụtụ ngwaahịa na-achọ ka e jiri eriri iko mee ihe.
Eji plastik mee ka carbon fiber mee ka ọ dị ike
Nkengwa nke carbon fiber polymer mesiri ikendị sara mbara na ndụ, si n'ibu akụkụ na agha ihe.
(1)dị ka nkwakọ ngwaahịa akara
Enwere ike ime ihe PTFE nke carbon fiber mesiri ike ka ọ bụrụ ihe na-egbochi corrosion, eyi na-eguzogide, yana mgbanaka na-egbochi oke okpomọkụ na-eguzogide mgbanaka ma ọ bụ mbukota.Mgbe ejiri ya maka akara static, ndụ ọrụ na-adị ogologo karịa oge 10 karịa nke mkpokọ asbestos na-emikpu mmanụ n'ozuzu.Ọ nwere ike ịnọgide na-arụ ọrụ mkpuchi n'okpuru mgbanwe ibu na ngwa ngwa ngwa ngwa na ikpo ọkụ ngwa ngwa.Ebe ọ bụ na ihe ahụ enweghị ihe ndị na-emerụ emerụ, ọ dịghị ihe na-emebi emebi ga-eme na ígwè.
(2)dị ka egweri akụkụ
N'iji njirimara mmanye onwe ya, enwere ike iji ya dị ka bearings, gears, na piston mgbanaka maka ebumnuche pụrụ iche.Dị ka mmanụ mmanụ na-enweghị mmanụ maka ngwá ọrụ ụgbọ elu na ihe ndekọ teepu, ihe eji eme mmanụ na-enweghị mmanụ maka ọkụ eletrik na-ebufe mmanụ dizel locomotives (iji zere ihe mberede na-akpata mmanụ aṅụ), piston mgbanaka mmanụ na-enweghị mmanụ na compressors, wdg. Na mgbakwunye, ọ nwere ike. A na-ejikwa ya dị ka bearings na-amị amị ma ọ bụ akara na nri na ụlọ ọrụ ọgwụ site na iji njirimara ya na-adịghị egbu egbu.
(3) Dị ka ihe eji arụ ọrụ maka ikuku, ụgbọ elu na ngwa agha.Ebu ụzọ jiri ya mee ihe n'ichepụta ụgbọ elu iji belata ibu ụgbọ elu ma melite arụmọrụ ụgbọ elu.A na-ejikwa ya na kemịkalụ, mmanụ ala, ọkụ eletrik, igwe, na ụlọ ọrụ ndị ọzọ dị ka akara ike na-agbanwe agbanwe ma ọ bụ na-emegharị ma ọ bụ ihe dị iche iche static akara.
Zhengxi bụ ọkachamaraỤlọ ọrụ mgbasa ozi hydraulic dị na China, na-enye elu-quliatyngwakọta hydraulic pressmaka ịmepụta ngwaahịa CFRP.
Oge nzipu: Mee-25-2023
