简介：Inthispaper,zirconiaisusedastopmoldmaterialforTiinvestmentcasting.Topmoldsamplesaremadebypropermoldbuildingtechnology.Theeffectofdifferentsinteringtemperatureonchemicalcomposition,microstructureandresidualbendingstrengthofthetopmoldsampleisstudied.Thevolumeandhomogeneityoftheairholesinthetopmoldaredeterminedbysinteringtemperature,andfinallydeterminedtheresidualbendingstrengthofthemoldsamplewasdetermined.
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