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壓氣機(jī)葉片多工步鍛造成形過(guò)程數(shù)值模擬
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    摘要:

    利用剛粘塑性有限元法，對(duì)某重型燃機(jī)壓氣機(jī)葉片的多工步鍛造過(guò)程進(jìn)行了三維有限元模擬,。通過(guò)有限元數(shù)值模擬,，得到了多工步鍛造過(guò)程中坯料的幾何形狀變化,、溫度場(chǎng)和應(yīng)變場(chǎng)的分布規(guī)律以及載荷變化曲線,。模擬工藝實(shí)驗(yàn)表明,，壓氣機(jī)葉片鍛造工藝和模具設(shè)計(jì)合理,，數(shù)值模擬結(jié)果準(zhǔn)確可靠,。

    Abstract:

    Using 3-D rigid-viscoplastic finite element method, the multi-stage forging process of a gas turbine compressor blade was simulated. Through the simulation, the deformed geometries of billet, the distributions of temperature and strain, and the forging load have been obtained. The results of practical tests showed that the technical design of multi-stage forging of compressor blade is reasonable, the die cavity design is accurate and the numerical simulation is effective. The study is of significance to the engineering application of multi-stage forging of gas turbine compressor blades.

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呂成,張立文,邰清安,鄭渠英.壓氣機(jī)葉片多工步鍛造成形過(guò)程數(shù)值模擬[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(6):169-172.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(6):169-172.

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