| SUPERPLASTICALLY FREE BULGING OFDURA LUMINLY12CZ UNDER AN EXTERNAL STRONG ELECTRIC FIELD |
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| 作者姓名： | Li Miaoquan Wu Shichun |
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| 作者单位： | Departnient of Materiais Science and Engineering，Northtt，esternPolytechnical Universily，Xi'an，China，710072 |
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| 摘 要： | ＳＵＰＥＲＰＬＡＳＴＩＣＡＬＬＹＦＲＥＥＢＵＬＧＩＮＧＯＦＤＵＲＡＬＵＭＩＮＬＹ１２ＣＺＵＮＤＥＲＡＮＥＸＴＥＲＮＡＬＳＴＲＯＮＧＥＬＥＣＴＲＩＣＦＩＥＬＤＬｉＭｉａｏｑｕａｎ；ＷｕＳｈｉｃｈｕｎ（ＤｅｐａｒｔｎｉｅｎｔｏｆＭａｔｅｒｉａｉｓＳｃｉｅ...
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SUPERPLASTICALLY FREE BULGING OFDURALUMIN LY12CZ UNDER AN EXTERNALSTRONG ELECTRIC FIELD |
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| Li Miaoquan, Wu Shichun.SUPERPLASTICALLY FREE BULGING OFDURA LUMINLY12CZ UNDER AN EXTERNAL STRONG ELECTRIC FIELD[J].Chinese Journal of Aeronautics,1995(4). |
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| Authors: | Li Miaoquan Wu Shichun |
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| Abstract: | Superplastically free bulging of duralumin LY 12CZ (approximately corre-sponding to ASTM 2024) without any pretreatment has been investigated under an ex-ternal strong electnc field. The experimental results show that the electric field makesthe relative maximum height of the superplastically formed parts increase by 15%.Moreover, the determination of grain size and aspect ratio of grains and themetallographic observation of cavities have also been done. These results have verifiedthat the electric field improves the superplasticity during superplastically free bulging ofduralumin LY12CZ and that it is possible to utilize superplastic defonnation with elec-tric field in industrial practice. |
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| Keywords: | aluminum alloys electric field superplasticity bulging |
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