| HREM STUDY OF GRAIN BOUNDARY PHASES IN Fe-Ni-Co-Nb-Ti SUPERALLOY |
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| 作者姓名： | R.M. Wang C.Z. Li S. W. Zhang and M.G.Yan |
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| 作者单位： | 1)Institute of Aeronautical Materials，Beijing 100095，China 2)Laboratory of Atomic Imaging of Solids，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110015，China 3)Beijing Laboratory of Elect |
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| 摘 要： | ＨＲＥＭＳＴＵＤＹＯＦＧＲＡＩＮＢＯＵＮＤＡＲＹＰＨＡＳＥＳＩＮＦｅ－Ｎｉ－Ｃｏ－Ｎｂ－ＴｉＳＵＰＥＲＡＬＬＯＹＲ．Ｍ．Ｗａｎｇ；Ｃ．Ｚ．Ｌｉ；Ｓ．Ｗ．ＺｈａｎｇａｎｄＭ．Ｇ．Ｙａｎ（１）ＩｎｓｔｉｔｕｔｅｏｆＡｅｒｏｎａｕｔｉｃａｌＭａｔｅｒｉａｌ...
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| 收稿时间： | 1996-12-25 |
| 修稿时间： | 1996-12-25 |
HREM STUDY OF GRAIN BOUNDARY PHASES IN Fe-Ni-Co-Nb-Ti SUPERALLOY |
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| R.M. Wang, C.Z. Li,S. W. Zhang and M.G.Yan.HREM STUDY OF GRAIN BOUNDARY PHASES IN Fe-Ni-Co-Nb-Ti SUPERALLOY[J].Acta Metallurgica Sinica(English Letters),1996,9(6):595-600. |
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| Authors: | RM Wang CZ Li S W Zhang and MGYanInstitute of Aeronautical Materials Beijing China Laboratory of Atomic Imaging of Solids |
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| Abstract: | The microstructures of the grain boundary phases in Fe-Ni-Co-Nb-Ti superalloy have been studied by high resolution electron microscopy (HREM).Besides the Laves phase,three other grain boundary phases have been found and analyzed. The ε phase particles are needle-like with some stacking faults along the(0001) direction. The dominant phase at the grain boundaries is the orthorhombic phase that is also rod-like. High reselution image also confirms the existence of the triclinic phase at the grain boundaries that is irregular and scarce. |
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| Keywords: | high resolution electron microscopy grain boundary phase FeNi- Co superalloy |
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