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| THE FORMATION OF ZIGZAG GRAIN BOUNDARY IN WROUGHT Ni-BASE SUPERALLOYS |
| YE Ruizeng;XU Zhichao;GE Zhanying;GAO Liang Beijing University of Iron and Steel Technology);YU Tongfeng;ZHANG Rungang;LI Lijia;ZHANG Peihuan Xingdu Machine Works |
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Cite this article:
YE Ruizeng;XU Zhichao;GE Zhanying;GAO Liang Beijing University of Iron and Steel Technology);YU Tongfeng;ZHANG Rungang;LI Lijia;ZHANG Peihuan Xingdu Machine Works. THE FORMATION OF ZIGZAG GRAIN BOUNDARY IN WROUGHT Ni-BASE SUPERALLOYS. Acta Metall Sin, 1985, 21(2): 37-138.
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Abstract The kinetic process of the zigzag grain boundary formation(ZGBF)inwrought Ni-base superalloys has been investigated.It was shown that the majorphase of ZAGBF is dependent on the essence of the alloy and the parameters ofheat treatment,e.g.temperature,cooling rate etc.,when two phase,i.e.γ′andM_6C or M_(23)C_6,are co-existed along the grain boundaries.Two models,namely,ZGBF with two-phase and the migration of a segment of grain boundary,seemto be proposed.
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Received: 18 February 1985
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