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EffectofDifferentRatiosBetweenMonomerandCross-linkeron PropertiesofGel-CastPorousSiliconNitride
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    Abstract:

    Byusinggel-castingprocess,poroussiliconnitrideceramicsofdifferentratiosbetweenmonomerandcrosslinkerwerepreparedundertheconditionofafixedtotalamountbutdi ferentproportionofmonomerandcross-linkingagent.Theeffectsofdifferentproportionofmonomerandcross-linkingagentonthemicrostructureandmechanicalproperties ofporoussiliconnitridewerestudiedbymeansofthescanningelectronmicroscopy(SEM),archimedesmethodandthreepointbendingmethod.Theresultsshowedthatthedryingshrinkageofspecimensincreasedastheproportionofmonomer andcross-linkingagentincreased,thespecimenscrackedafterbindersburningwhentheproportionofmonomerandcrosslinkingagentwasaboveorequal15.However,thosesinteringspecimenswithproportionsofmonomerandcross-linkingagentbelow15displayedarisingtrendofstrengthastheproportionincreased.

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  • Online: November 28,2016
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