Rangahau Epoxy Prepreg Rangatira: Ngā Whakatauranga Pūnaha Tūmatawhānui mo ngā Whakamahi Pumau

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epoxy prepreg

Ko te prepreg epokī he materiana whakariterite paunga, e whai ake ana i te haraepū epokī i tae noa ki ngā raupapa whakatūpato, nō mua ko ngā raupapa kiriwhara, karboni rānei, aramida. Ko tēnei whenua matatika kei roto i tēnei iwi, ka whakawhiti i ngā hiranga whakatūpato o ngā raupapa whakatūpato me ngā pūkenga whakapuaki pai rawa o te haraepū epokī i runga i tana āhuatanga kua kitea ināianei. Ka tiakina ngā waehere haraepū me te whakawhiwhi pai hei whakaū i ngā mahi whakahaere. I te wā o te hanga, ka tiakina mai te mata o te rangi me te whatu pai rawa, ka puta he whenua e āhei ana ki ngā hiranga mekanika pai rawa, te whakahoki i ngā rūma, me te haumanawa tuatahi. Ko te whanaketanga o te prepreg epokī ka whiwhi i te whakaritenga i ngā whenua whakahaere, i ngā maru motokā, i ngā huanga hau kai rānei, me ngā taonga porihora. Ko tana āhua e āhei ana ki te tiakina i te wāhanga o ngā mata o te rangi me te hanga i te wā e hiahiatia ana, ka whiwhi i te whakaritenga i ngā timatanga hanga. Ko ngā hiranga pai rawa o te whenua me tana āhua e āhei ana ki te whakatakoto ki ngā pūnaha whakarerekē ka whakatupu i ngā whiuwheka kotahi rawa, i ngā whiuwheka pai rawa. I te wā e kitea nei te whakapai, ka whiwhi te prepreg epokī i ngā hiranga pai rawa o te takahokaho ki te mana rawa, te whakahoki hāpai, me te tū tonu ki te taiao.

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He iti ngā pai ake o te epoxy prepreg, e mahi ana i te whakamahere huarahi matua. Tuatahi, ko tana whai wāhanga mō te rongoā resin hei whakaae i te whaihua me te whakahaere, kia puta he whenua kotahi, kia herea te āhuatanga nui e pā ana ki ngā mahi wet lay-up. Ko ngā āhuatanga pai rawa o te material mō te tack me te drape hei tautoko i te whakaeaea pai me te whakatakoto pai i te wa o te taku, kia iti ake te wā mahi me ngā utu mahi. Kia herea te āhuatanga o te pre-impregnated, kia mutu te kereka me te rite i mua i te whakarite rongoā i te ringa, hei hanga i te wāhi pai me te whakamahi pai o te material. Mai i te tirohanga whakawhirinaki, ka tukuna te epoxy prepreg i ngā āhuatanga pai matua, e kite ana i te mana wehe nui, te kīwaha, me te kaha ki te pakiri. Ko tana āheitanga ki te whakapai i runga i ngā āhuatanga kua tautohe, e hāngai ana ki ngā whakapūtanga kore-kōwhao me ngā matawhāiti pai, me ngā āhuatanga huatau pai. Ko tana āheitanga ki te noho i roto i ngā wā e tautohe ana i te wāhanga, e tautoko ana i te whakawhanake me te whakahaere i ngā taonga. Ko te whakamutunga i te āheitanga moana, me te āheitanga rongoā, e tiaki ana i te whaiherehere whaihere i ngā tūranga nui. Ko te whakaaweawe o tēnei material, e tautoko ana i ētahi atu momo hanga, mai i te whakapai i te autoclave ki ngā whakapai out-of-autoclave, hei whakarite ki ngā hiahia hanga rerekē. Anō he mea, ko te whaiwhai pai i ngā āhuatanga o te material, e hoki haere ana ki te whakahaere pai, te whakahaere kaitono, me te whakaiti i ngā āhuatanga hanga.

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Hona Pūmau Kōwhiringa

Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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epoxy prepreg

herea
whakapuaki karbona
prepreg kevlar
rīpene muka waro kotahi
rezingi whakapuaki
karaihe epoxy prepreg
Nga mahi mekanika matua

Nga mahi mekanika matua

Nā te whai i ngā āhuatanga mekanika tino mōhiohia e ngā rārangi epoxy prepreg, ka tūtonu i a rātou ki runga i te whenua o ngā rārangi hangarau. Nā te pai o te whakaaetanga pūnaha rerekē i waenganui i ngā kākano whakatūpū me te rezingi epoxy, ka hangaia he whare me te hiranga rangitahi-tae-kiko tino pai, e taea ana te whai i te hiranga whanaunga 3000 MPa i ngā taupokihanga karbona. Nā te hiranga matua o te upoko ki te rezingi me te poro whakamahana, ka tiakina te whakawhanake tino pai o te kākano me te itinga tuatahi o ngā wāhi kore. Ka whakaatu te rāngai tino pai i te whiuwhiu, ka mau tonu te mana hanga i raro i ngā take whakangungu e tipu ana, koia nei he pai noa iho mō ngā tūtohu whakamahara. Ko te taurite o te whakawāhanga rezingi e hāngai ana ki ngā āhuatanga mekanika tūpūtahi katoa i roto i te whare, ka mate i ngā wāhi hepe me te whakapai i te whakapono whānui.
Whaiwāhi me te Tari Whakahaere

Whaiwāhi me te Tari Whakahaere

Te ahua hangarite o te epoxy prepreg e whiwhi ana i te kawe tuku wero ki runga i te mahere nohoanga. Nā ngā āhuatanga gelation me te horahoratanga whakahaere i te mātātuhi, ka whiwhi i ngā ake tūranga whakahaere, ēngari ka taea e ngā kaihangarite te whakapai i ngā waahanga hanga. Ka taea te whakatakoto i te takitahi o te prepreg hei whakamana i ngā hiahia tonu, e angitia ana i te kotahi wiki ki ngā pūroro rā i te wā o te marokura. Ko tēnei nui ake i te whakahaere i ngā momo whakapiki horahanga, ina te whakapiki i te autoclave, te whakataki i te press, me te mahi i te whakapiki i te vacuum bag processes, ka whakatika ki ngā rahi hanga tuatahi me ngā rahi uha. Nā te tino nohoanga i te wehewehe o te wāhi rangitahi, ka whakapai i te roanga o te mātātuhi, e taea ana te whakatika i te kotahi tau ki te -18°C, ka whakawhanake i te whakahaere taonga.
Te Whanaketanga Taiao me te Pono

Te Whanaketanga Taiao me te Pono

Nā ngā rangahau epoxy prepreg i whakamahia te mōhiotanga tino pai ki ngā āhuatanga taiao, e whai ana i te whakapono whakatika mo te wā roa. Ko te rerekētanga pūtaiao o te rara i kuhuna katoa he pai rawa te whakahē ki te kawe wāriki, inaianei he iti i te 1% i te mana, ka whakaiti i te hē i roto i ngā āhuatanga uru. Ko te whakahē ki ngā mumutanga rite ko ngā take rerekē, ko ngā uku, me ngā take whakarangatira paunahi, ka whakaae he pai mo ngā tono whakamutunga. Ka mau tonu te rara i ana āhuatanga pūhainga i runga i te rahui waewae nui, inaianei mai i te -55°C ki te 120°C, e hīkohia ana i te whakahaere takotoranga. Ka taea te whakapai i te tūpū UV ki te whakamahi i ngā whakanui tika, ka whakawhitinga i te wā hokihoki taiao. Ko te haumanu o ngā whatu i kuhua he pai rawa ki te whakaputa i te mahi pai i raro i ngā āhuatanga taiao e motuhake ana, ka whakapakari i te pai mo ngā tono tata.

Hona Pūmau Kōwhiringa

Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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Hona Pūmau Kōwhiringa

Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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