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Cov iav fiber ntau thiab carbon fiber hybrid composite khoom

Views:107 Author: Linda Tshaj Tawm Sijhawm: 2023-03-18 keeb kwm:

Hauv tsev neeg cov khoom siv sib xyaw, iav fiber ntau thiab carbon fiber feem ntau yog siv rau kev sib piv kev ua haujlwm vim muaj cov txheej txheem zoo sib xws thiab cov txheej txheem substrate hauv cov txheej txheem thov. Carbon fiber ntau cov khoom xa mus rau carbon fiber prepregs li raw cov ntaub ntawv, ua tiav rau hauv cov khoom siv uas tuaj yeem ua tau raws li cov neeg siv khoom los ntawm ntau txoj kev ua. Txawm hais tias carbon fiber zoo dua rau iav fiber ntau hauv cov ntsuas, nws kuj tseem qis dua iav fiber ntau hauv qee qhov kev ua tau zoo thiab tus nqi. Hauv kev siv cov tswv yim, kev sib xyaw-siv iav fiber ntau thiab carbon fiber yog siv, uas peb hu ua glassy carbon hybrid composite khoom. Ntau tus neeg tsis paub txog qhov no hybrid reinforced composite khoom. Cov ntaub ntawv tshiab hauv qab no yuav piav qhia txog kev ua haujlwm thiab kev siv ntau yam ntawm cov khoom siv no.

Glassy carbon sib xyaw fiber ntau muaj kev ua tau zoo thiab tsim nyog tus nqi thiab yog siv ntau thiab siv ntau yam lag luam. Glassy carbon sib xyaw cov khoom muaj cov yam ntxwv ntawm cov qauv siab, zoo toughness, pheej yig tus nqi, thiab lub teeb yuag. Hauv kev siv cov tswv yim, nws tuaj yeem siv los ua qhov hloov kho tshiab rau cov khoom siv iav steel, thiab tuaj yeem siv los ua qhov kev xaiv zoo rau cov khoom siv carbon fiber. Piv nrog cov ntaub ntawv FRP ntshiab, cov khoom siv iav fiber ntau tuaj yeem txo qhov hnyav li ntawm 40%, thiab nce cov qauv ntawm 80%. Nyob rau tib lub sijhawm, piv nrog cov ntaub ntawv carbon fiber ntau, qhov elongation (δ) tuaj yeem nce 30%, uas txo cov nqi tag nrho ntawm cov khoom. Kev siv cov iav fiber ntau sib xyaw ua ke tuaj yeem ua rau cov qauv tsim tau yooj yim dua thaum ua cov khoom lag luam, thiab kev hloov kho cov khoom siv sab hauv tuaj yeem daws tau qhov teeb meem ntawm kev txhawb nqa hauv zos thiab toughening.

Tam sim no, glassy carbon mix fibers yog dav siv nyob rau hauv kev ua lag luam, tshwj xeeb tshaj yog nyob rau hauv lub teb ntawm kev tsim kho, aerospace, thiab cua zog, qhov twg cov khoom tshwj xeeb yog ua tiav thiab tsim nyob rau hauv batch; lawv kuj tau siv dav hauv kev ua kis las thiab pej xeem kev lag luam.


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