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Yiziphi izici zezikhali zomzimba ze-PE ne-Aramid?

Isikhathi: 2022-11-14 Ukushaya: 154

Enezici ezinhle kakhulu nekhono eliphakeme lokuvikela izinhlamvu, i-PE ne-aramid zisetshenziswe kabanzi embonini yemishini yokuvikela njengamanje.

Kunomehluko othile phakathi kwe-PE nezikhali ze-aramid ekusebenzeni ngenxa yezici ezihlukile zezinto ezimbili, okungenzeka zingaziwa kubantu abaningi. Manje, ngizonikeza izethulo ezithile lapho abantu bengathola ukuqonda okungcono kwezikhali zomzimba ze-PE kanye ne-Aramid, ezingabakhuthaza ukuthi benze ukukhetha okufanele lapho bekhetha okokuvikela.

Yiziphi izici ze-PE ne-Aramid body armors-正文2

1.Izikhali ze-Aramid

U-Aramid, owaziwa nangokuthi uKevlar wazalwa ngasekupheleni kwawo-1960. Kuyifayibha yokwenziwa entsha yobuchwepheshe obuphezulu enokumelana okuqinile nezinga lokushisa eliphezulu, i-anticorrosion enkulu, isisindo esilula namandla amakhulu. I-Aramid isetshenziswe kabanzi emikhakheni eminingi, okuhlanganisa okokuvikela inhlamvu, izakhiwo nemishini kagesi, njalonjalo.

Kodwa-ke, i-aramid inamaphutha amabili abulalayo:

1) Isengozini yokukhanya kwe-ultraviolet. Ihlala ihlambalaza lapho ibhekene nokukhanya kwe-ultraviolet. 2) Kulula ukwenza i-hydrolyze, noma isendaweni eyomile, isazomunca umswakama emoyeni futhi i-hydrolyze kancane kancane.

Isigqoko se-Aramid

Ngakho-ke, imishini ye-aramid akufanele isetshenziswe noma igcinwe endaweni enokukhanya okunamandla kwe-ultraviolet nomswakama ophezulu isikhathi eside, noma ukusebenza kwayo kokuzivikela kanye nempilo yesevisi kuzoncishiswa kakhulu. Ngaphezu kwalokho, i-aramid enekhwalithi ephezulu ivamise ukubiza ngo-30-50% kune-PE. Ngenxa yokungaqini kahle, impilo yesevisi emfushane, kanye nentengo ephezulu, ukusetshenziswa okwengeziwe kwe-aramid kukhawulelwe emkhakheni wezinto ezivikela izinhlamvu. Njengomphumela walokho, izikhali ze-aramid ziye zathathelwa indawo kancane zempi ye-PE.

2.PE Izikhali

I-PE lapha ibhekisela ku-UHMW-PE, isifinyezo se-polyethylene yesisindo se-molecular ultra-high. Kuyi-high-performance fiber organic eyakhiwa ekuqaleni kwawo-80s wekhulu elidlule. I-PE fibre, i-carbon fibre kanye ne-aramid fibre zaziwa njengemicu emithathu emikhulu yobuchwepheshe obuphezulu emhlabeni namuhla. Njengoba sonke sazi, isikhwama sepulasitiki empilweni yethu yansuku zonke senziwe nge-polyethylene, esilethe ukungcola okukhulu ngenxa yokuqina kwesakhiwo saso kanye nokuwohloka okubi. Kodwa-ke, ngenxa yalesi sici, i-PE ithathwe njengento efanelekile yokwenza i-bulletproof vest.

UHMW-PE

I-PE nayo inezinye izithiyo ezimbalwa. Isibonelo, isengozini yokushisa okuphezulu, ngakho ingasetshenziswa kuphela ngaphansi kwezinga lokushisa elingaphansi kuka-80 ℃. I-PE ivamise ukwehla ngokushesha ekusebenzeni ku-80n℃, futhi iqala ukuncibilika ku-150 ℃, kuyilapho i-aramid ingagcina ukwakheka okuzinzile nokusebenza okuhle kakhulu ekushiseni okuphezulu okungu-200 ℃.

Ngaphezu kwalokho, ukumelana ne-PE's creep akulungile njenge-aramid, futhi imishini ye-PE izokhubazeka kancane kancane ngaphansi kwengcindezi eqhubekayo, ngakho-ke ngokuvamile akufanele isetshenziselwe imishini ethile enesakhiwo esiyinkimbinkimbi, njengezigqoko zokuzivikela.

Ngokuvamile, lezi zinhlobo ezimbili zemikhiqizo engangenwa izinhlamvu zinezinzuzo zazo kanye nokubi. Kufanele wenze ukukhetha okunengqondo ngokusekelwe ezidingweni zakho lapho uthenga imikhiqizo engangenwa izinhlamvu. Ngenhla kukho konke ukucaciswa kwezimpawu ze-PE ne-Aramid. Uma kusenemibuzo, wamukelekile ukuxhumana nathi.

I-Newtech inesikhathi eside izinikele ekuthuthukisweni nasekucwaningeni kwemishini engangenwa izinhlamvu zesibhamu, sihlinzeka ngekhwalithi ye-NIJ III PE Hard Armor Plates namavesti, kanye neminye imikhiqizo eminingi. Uma ucubungula ukuthengwa kwamapuleti ezikhali eziqinile, ungavakashela iwebhusayithi ye-Newtech ukuze uzitholele elingcono kakhulu.

Yiziphi izici ze-PE ne-Aramid body armors-正文1

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