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Moisture absorption tswj PMI ua npuas ncauj

Views:13 Author: Linda Tshaj Tawm Sijhawm: 2023-11-07 keeb kwm:

    Yog hais tias tsis muab tso rau hauv ib lub hnab ntawv ntim tag nrho, PMI yuav nqus dej noo hauv huab cua. Tom qab ua npuas ncauj absorbs noo noo, nws yuav txo qhov compression creep kev ua tau zoo, kom nyob rau hauv tej yam kub thiab pressures, xws li nyob rau hauv autoclave, RTM los yog molded Thaum lub sij hawm tus txheej txheem, qhov seem stability ntawm cov khoom yuav raug cuam tshuam. Yog li ntawd, nws yuav tsum tau qhuav ua ntej siv kom tshem tawm cov dej vapor thaum lub sij hawm ua thiab txhim kho nws tsis kam mus compression creep.

    Feem ntau, yog tias cov av noo ntawm qhov chaw cia lossis qhov chaw siv qis dua 70%, nws yuav tsum siv li ntawm 1 lub hlis; Yog tias lub sijhawm dhau los lossis cov av noo ntawm qhov chaw siv yog siab dua 70% rau ntau tshaj 24 teev, nws yuav tsum tau qhuav ua ntej siv. Cua sov ntawm qhov ceev tsis pub tshaj 2.5 ° C / min, ziab hauv qhov cub cua ntawm qhov kub ntawm 130 ° C rau yam tsawg kawg 3 teev. Thaum lub sij hawm tus txheej txheem no, daim hlau yog spaced tsawg kawg yog 35 hli los ntawm ib leeg, thiab cov yuav tsum tau rau lub phaj tso thiab kub tswj yuav tsum tau nruj me ntsis raws li txoj cai. Thaum lub thickness ntawm lub rooj tsavxwm yog ntau tshaj 25.4 hli, lub rwb thaiv tsev seem yuav tsum tau txuas mus rau ntau tshaj 4 teev.

    Vim tias kev kho cua sov siab ntawm 190 ° C yuav ua rau cov khoom siv puas tsuaj, thiab cov khoom yuav raug hloov pauv ntawm qhov raug thaum lub sij hawm ziab, machining ntawm cov khoom tseem ceeb yuav tsum tau ua tom qab kev kho cua sov.


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