UHMWPE, wanda kuma aka sani da babban ƙarfi high-modulus polyethylene, a halin yanzu yana ɗaya daga cikin manyan kayan aiki na duniya.Saboda cikakkiyar kyawawan kaddarorin sa kamar juriya na lalata, juriya da ƙarancin ƙima, a halin yanzu ana amfani da shi a cikin kayan kariya na soja, kayan injin soja, kayan aikin sararin samaniya da sauran filayen soja.
UHMWPE, wanda kuma aka sani da babban ƙarfi high-modulus polyethylene, a halin yanzu yana ɗaya daga cikin manyan kayan aiki na duniya.Saboda cikakkiyar kyawawan kaddarorin sa kamar juriya na lalata, juriya da ƙarancin ƙima, a halin yanzu ana amfani da shi a cikin kayan kariya na soja, kayan injin soja, kayan aikin sararin samaniya da sauran filayen soja.Haɓaka fiber mai fa'ida mai ƙarfi shine tushen kayan aikin soja na ƙasa, kuma kayan haɓakawa na iya haifar da ingantaccen fasahar soja, wanda ya zama muhimmin tushe na kayan gini don gina ƙasa ta zamani mai ƙarfi, kuma ta mamaye matsayi mai mahimmanci fagen kayan soja a duniya.
- Abubuwan da ke cikin fiber UHMWPE
Fiber UHMWPE yana da ingantattun kaddarorin da suka dace, girman danginsa karami ne, yana iya iyo kan ruwa.KumaFarashin UHMWPEshine fiber mafi ƙarfi a duniya a halin yanzu.Idan aka kwatanta da karfe, UHMWPE fiber ya fi sau goma ƙarfi fiye da ƙarfe mai inganci.Bugu da kari, UHMWPE fiber kuma yana da karfi lalata juriya, sinadaran juriya, juriya juriya da sauran kaddarorin, m yi, UHMWPE fiber a da yawa muhimmanci filayen a kasar Sin taka muhimmiyar rawa.
1.1 Kyakkyawan kayan aikin injiniya
Idan aka kwatanta da sauran filaye masu girma, UHMWPE fiber density shine na biyu kawai ga fiber na PE na al'ada da fiber polypropylene, kuma shine mafi kyawun kayan fiber tare da mafi ƙarancin ƙima tsakanin kayan hana harsashi.Zai iya rage nauyin kayan kuma ya cimma sakamako mai sauƙi yayin da yake tabbatar da ingantaccen aikin hana harsashi.
Idan aka kwatanta da sauran kaddarorin, ƙarfin juzu'i na UHMWPE shine kawai na biyu na PBO da polyaryl ester fiber, kuma shine kawai 0.1 daban da na polyaryl ester fiber.Ana iya ganin cewa UHMWPE yana da kyakkyawan ƙarfi mai ƙarfi.
Idan aka kwatanta da sauran zaruruwa, modules na farko shine kawai na biyu zuwa PBO da carbon fiber, wanda ke nuna cewa fiber yana da juriya mai kyau don lalata tashin hankali kuma ba shi da wuyar lalacewa.Wani nau'i ne na filaye mai mahimmanci tare da ƙayyadaddun ƙayyadaddun ƙarfi da ƙayyadaddun modules, wanda ke taka muhimmiyar rawa a cikin kayan kare harsashi.
1.2 Ayyukan rufin lantarki
UHMWPE fiber tunani radar sabon abu kaɗan ne, tare da ingantaccen aiki mai ƙarfi, haɓaka ƙimar dielectric na kayan haɗin gwiwa.Ko da yake dielectric akai-akai da asarar darajar polyethylene sune mafi ƙanƙanta a tsakanin sauran kayan, UHMWPE fiber yana da aikin da fiber polyethylene na gargajiya ba zai iya kaiwa ba, kuma yana da sakamako mafi kyau fiye da kayan gabaɗaya, don haka shine kayan da aka fi so don radar radome, tare da high quality da haske sakamako.
1. 3 Juriya na yanayi da juriya
Fiber UHMWPE yana da kyakkyawan juriya na yanayi kuma yana iya kiyaye ainihin babban aikin baya canzawa bayan dogon haske da yanayi mai tsauri.A lokaci guda, UHMWPE fiber yana da juriya mafi girma da juriya ga juriya fiye da fiber aramid a cikin kayan aiki mai girma, don haka juriya na wannan fiber ya fi sauran filaye masu girma.Saboda girman juriya na lalacewa da sauƙin sarrafawa, yana da kyakkyawan fata na aikace-aikacen a fagen masana'antu.
1. 4 Chemical juriya lalata
Tsarin ciki na fiber UHMWPE yana da ɗan tsauri.Daidai ne saboda girman crystallinity da daidaitawar sarkar kwayoyin halitta a cikin fiber cewa fiber yana da ƙarfi mai ƙarfi.Sabili da haka, a ƙarƙashin yanayin acid da tushe ko yanayin zafi da ƙananan zafin jiki, fiber na iya kiyaye aikinsa na asali na dogon lokaci ba tare da canzawa ba, kuma har yanzu ya dace da kuma kunna darajarsa a cikin yanayi mai tsanani.
1. 5 Kaddarorin shafa mai
Abun UHMWPE idan aka kwatanta da sauran kayan aikin injiniya, kayan UHMWPE yana da ƙarancin juzu'i, ƙarancin juzu'i yana sa fiber kanta mafi kyawun aikin lubricating, shine mafi kyawun abu a cikin kayan filastik ƙarƙashin yanayin babu mai, don haka ana amfani da kayan UHMWPE sosai. a cikin aikin injiniya, tare da ƙimar amfani sosai.Ana amfani da fiber UHMWPE a cikin aikin injin, idan aka kwatanta da karfe na gargajiya da tagulla a ƙarƙashin aikin mai mai ya fi kyau.Sabili da haka, idan aka kwatanta da kayan yau da kullun, fiber UHMWPE ba wai kawai yana adana farashin albarkatun ƙasa ba, har ma yana ba da garantin kyakkyawan sakamako na aikin, don haka yana da ƙimar amfani mafi girma.
2. Hanyar shiri na UHMWPE fiber
2.1 Hanyar juya gel
Akwai da yawa hanyoyin da za a shirya high yi UHMWPE fiber, amma saboda dalilin da sauran ƙarfi kanta, da shirye-shiryen na UHMWPE fiber ba za a iya samu.Gel kadi ne mafi manufa hanya.Hanyar zubewa ta bambanta da mafita ta gaba ko rigar mayaƙa, da aka yi amfani da mafi kyawun kayan masarufi a cikin mafita na Semi high tensile stretch sarkar, bayan hakar magani zuwa sau thermal mikewa, wanda aka yi da high ƙarfi da kuma high modules zaruruwa.Hanyar jujjuyawar gel tana da halaye na asali masu zuwa: (1) Ana amfani da polymer mai nauyi mai girman gaske azaman albarkatun ƙasa;(3) An gudanar da shimfidar hyperthermal, kuma girman juzu'i ya fi 30.
2.2 Filastik narke hanyar juyawa
Narke kadi da aka yi da polymer narke ta hanyar narka kadi da extruding.Plasticized narke kadi ne a kan tushen narke kadi, ƙara daidai adadin diluent ga polymer narkewa domin kadi, ta hanyar tagwaye dunƙule gauraye sauran ƙarfi, sa'an nan extruded, soaked a cikin hakar wakili, sa'an nan kuma maimaita mikewa iya ƙarshe samun babban ƙarfi. da high modules polyethylene fiber.
2.3 High matsa lamba m jihar extrusion hanya
Ka'idar extrusion forming shi ne cewa granular m sauran ƙarfi an ƙara zuwa extruder, da kayan ganga dauke da m ƙarfi ne mai tsanani zuwa narkewa zafin jiki, sabõda haka, da m abu ne narkakkar, da narkakkar wakili da aka hawa zuwa shugaban na'ura da wani. ƙayyadaddun siffar, sa'an nan kuma bayan sanyaya da siffa, samfurin ƙarshe yana ƙarfafawa.High matsa lamba m extrusion Hanyar ne a kan tushen extrusion forming high matsa lamba narkewa, forming sauran ƙarfi, sa'an nan ta hanyar jet rami, sa'an nan high tensile, kuma a karshe samu high kwayoyin nauyi polyethylene.
2.4 Hanyar crystallization surface
Saboda jinkirin girma na kristal fibrous, wannan hanya ba kasafai ake amfani da ita a cikin shirye-shiryen fiber na UHMWPE ba.
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Lokacin aikawa: Oktoba-14-2018