先進(jìn)復(fù)合材料工藝?yán)碚摶A(chǔ)-界面-文庫吧資料
2025-05-21 15:03本頁面
【正文】 +TiC a stoichiometric amount of reactant powders is first blended thoroughly and then pacted into pellets. The pacted pellet and the required amount of matrix are melted and then cast into a graphite mold. The ceramic reinforcements are formed in situ during melting via exothermic reactions between the reactants 自生工藝中的反應(yīng) 固 液反應(yīng) 直接反應(yīng)合成（ DRS) ? [Ti]cu+C→TiC ? [Ti]cu+B2O3+3C→TiB 2+3CO ? pacts of reactant powders, are directly added into molten metal and the ceramic reinforcing particles are formed in situ through the exothermic reaction between reactants or between reactant and some ponent of the melt 自生工藝中的反應(yīng) 固 液反應(yīng) 熔劑輔助合成（ FAS) ? 3K2TiF6+13Al→3TiAl 3+3KAlF4+K3AlF6 ? 2KBF4+3Al→AlB 2+2KAlF4 ? AlB2+TiAl3→TiB 2+4Al ? During the synthesis, mixed salts of potassium hexafluorotitanate (K2TiF6) and potassium tetrafluororate (KBF4) are introduced into a stirred aluminum melt with an atomic ratio in accordance with Ti/2B 自生工藝中的反應(yīng) 固 液反應(yīng) 熔劑輔助合成（ FAS) 自生工藝中的反應(yīng) 固 液反應(yīng) 反應(yīng)自發(fā)浸滲（ RSI) ? 3SiO2+4Al→2Al 2O3+3Si ? SiO2 particulate preform placed inside a quartz tu
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