3d braided composite ihe mejupụtara teknụzụ mmepụta ihe - nkọwa usoro RTM

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A na-etolite ngwakọta 3d braided site na iji teknụzụ textile na-akpa akụkụ akọrọ akọrọ.A na-eji akụkụ ahụ akpọnwụ akpọnwụ mee ihe dị ka ihe nkwado, na usoro mbufe resin (RTM) ma ọ bụ resin membrane infiltration process (RFI) na-eji mee ihe n'ime ime ma gwọọ ya, na-akpụzi usoro ihe mejupụtara ya.Dị ka ihe mgbagwoju anya dị elu, ọ ghọwo ihe nhazi dị mkpa n'ọhịa nke ụgbọ elu na ikuku ikuku, ma ejiri ya mee ihe n'ọtụtụ ebe na ụgbọ ala, ụgbọ mmiri, ihe owuwu, ngwa egwuregwu na ngwá ọrụ ahụike.Ozizi ọdịnala nke laminates mejupụtara enweghị ike izute nyocha akụrụngwa akụrụngwa, yabụ ndị ọkà mmụta nọ n'ụlọ na mba ọzọ eguzobewo echiche ọhụrụ na ụzọ nyocha.

Ngwakọta kpara akpa nwere akụkụ atọ bụ otu n'ime ihe ndị a kpara akpa e ṅomiri, bụ nke a na-esi n'ákwà a kpara akpa (nke a na-akpọkwa akụkụ atọ nke preformed akụkụ) na-agbasi ike site na nkà na ụzụ kpara akpa.Ọ nwere ike dị elu akọwapụtara nke ọma, modul pụrụ iche, nnabata dị elu nke mmebi, ike mgbaji, mmegide mmetụta, mgbape mgbape na ike ọgwụgwụ na njirimara ndị ọzọ magburu onwe ya.

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Mmepe nke ihe mejupụtara braided akụkụ atọ bụ n'ihi ike interlaminar dị ala yana nguzogide na-adịghị mma nke ihe ngwakọta mejupụtara sitere na ihe nkwado otu ụzọ ma ọ bụ akụkụ abụọ, nke enweghị ike iji dị ka akụkụ ndị na-ebu ibu.LR Sanders webatara nkà na ụzụ braided atọ n'ime ngwa injinia na 977. Ihe a na-akpọ 3D braided technology bụ usoro zuru oke na-enweghị ntụpọ atọ nke enwetara site na nhazi nke ogologo ogologo na obere eriri na oghere dị ka ụfọdụ iwu na interlacing si dị. ya na ibe ya, nke na-ewepụ nsogbu nke interlayer ma na-eme ka mmebi mmebi nke ihe mgbagwoju anya dịkwuo mma.Ọ nwere ike na-emepụta ụdị ọ bụla nke mgbe nile udi na pụrụ iche ekara siri ike, na-eme ka ihe owuwu nwere multi-arụ ọrụ, ya bụ, ịkpa multilayer integral so.Ka ọ dị ugbu a, e nwere ihe karịrị ụzọ iri abụọ e ji akpa ákwà n’akụkụ atọ, ma e nwere anọ a na-ejikarị eme ihe, ya bụ ịkpa ákwà pola.

braiding), akwa diagonal (diagonalbraiding ma ọ bụ mbukota

ịkwa akwa), eriri orthogonal (ịkpa akwa nke orthogonal), na ịkpa akwa nke warp interlock.Enwere ọtụtụ ụdị ịkwa akwa nke akụkụ atọ, dị ka ịcha isi n'ụkwụ atọ n'ụkwụ abụọ, isi ụzọ anọ ụzọ atọ na isi ọtụtụ nzọụkwụ atọ.

 

Njirimara usoro RTM

Ntuziaka mmepe dị mkpa nke usoro RTM bụ nhazi nke nnukwu akụrụngwa.VARTM, LIGHT-RTM na SCRIMP bụ usoro nnọchite anya.Nnyocha na itinye usoro RTM gụnyere ọtụtụ ọzụzụ na teknụzụ, nke bụ otu n'ime ngalaba nyocha kachasị arụ ọrụ nke ihe mejupụtara n'ụwa.Mmasị nyocha ya gụnyere: nkwadebe, chemical kinetics na rheological Njirimara nke resin usoro na ala viscosity na elu arụmọrụ;Nkwadebe na njirimara permeability nke eriri preform;Kọmputa ịme anwansị nkà na ụzụ nke ịkpụzi usoro;On-line nlekota technology nke akpụ usoro;Teknụzụ imewe nke ebu;Mmepe nke ngwaọrụ ọhụrụ nwere onye nnọchi anya pụrụ iche In vivo;Usoro nyocha ọnụ ahịa, wdg.

Site na arụmọrụ ya magburu onwe ya, a na-eji RTM eme ihe n'ọtụtụ ebe n'ụgbọ mmiri, ụlọ ọrụ agha, injinia nchekwa mba, njem, ikuku na ụlọ ọrụ obodo.Isi njirimara ya bụ ndị a:

(1) Mgbanwe siri ike n'ichepụta ebu na nhọrọ ihe, dị ka ọnụ ọgụgụ mmepụta dị iche iche si dị,

Mgbanwe nke akụrụngwa na-agbanwekwa nke ukwuu, mmepụta nke ngwaahịa n'etiti 1000 ~ 20000 iberibe / afọ.

(2) Ọ nwere ike ịmepụta akụkụ dị mgbagwoju anya nke ọma na ọdịdị elu dị elu, ma nwee uru ndị ọzọ doro anya na ịmepụta akụkụ buru ibu.

(3) Ọ dị mfe ịghọta nkwado mpaghara na usoro Sanwichi;Ndozi mgbanwe nke klaasị ihe nkwado

Ụdị na nhazi nke emebere iji mezuo ihe dị iche iche chọrọ ịrụ ọrụ site na ụlọ ọrụ obodo ruo na mbara igwe.

(4) Fiber ọdịnaya ruru 60%.

(5) Usoro ịkpụzi RTM bụ usoro arụ ọrụ mechiri emechi, yana ebe ọrụ dị ọcha yana ikuku styrene dị ala n'oge usoro ịkpụzi.

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 (6) Usoro ịkpụzi RTM nwere ihe siri ike chọrọ na sistemu akụrụngwa, nke chọrọ ka ihe agbakwunyere nwee ezigbo nguzogide resin eruba scour na infiltration.Ọ na-achọ resin ka ọ nwee viscosity dị ala, mmeghachi omume dị elu, ọgwụgwọ okpomọkụ nke ọkara, uru dị elu nke ọgwụgwọ dị ala, obere viscosity na usoro leaching, ma nwee ike ịla ngwa ngwa mgbe ịgba ọgwụ.

(7) Nrụgide nrụgide dị ala, nrụgide injection n'ozuzu <30psi (1PSI = 68.95Pa), nwere ike iji FRP ebu (gụnyere epoxy ebu, FRP elu electroforming nickel ebu, wdg), ogo dị elu nke nnwere onwe nke imepụta ebu, ọnụ ahịa ebu dị ala. .

(8) The porosity nke ngwaahịa dị ala.E jiri ya tụnyere usoro ịkpụzi prepreg, usoro RTM achọghị nkwadebe, njem, nchekwa na friza nke prepreg, enweghị usoro nhazi akwụkwọ ntuziaka siri ike na ntinye akpa akpa, na enweghị oge ọgwụgwọ okpomọkụ, yabụ ọrụ ahụ dị mfe.

Otú ọ dị, usoro RTM nwere ike imetụta ihe onwunwe nke ngwaahịa ikpeazụ n'ihi na resin na eriri nwere ike ịmepụta site na impregnation na nhazi nhazi, na eriri na-asọba n'ime oghere, usoro impregnation na usoro ọgwụgwọ nke resin nwere ike imetụta nke ukwuu. Njirimara nke ngwaahịa ikpeazụ, si otú ahụ na-abawanye mgbagwoju anya na enweghị nchịkwa nke usoro ahụ.


Oge nzipu: Dec-31-2021