Experimental study of the characteristic of grain-boundary P segregation in GH4169

Acta Metall Sin

2007, Vol. 43

Issue (8): 893-896 DOI:

Research Articles

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Experimental study of the characteristic of grain-boundary P segregation in GH4169

XU Ting-dong

钢铁研究总院高温材料研究所

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XU Ting-dong. Experimental study of the characteristic of grain-boundary P segregation in GH4169. Acta Metall Sin, 2007, 43(8): 893-896 .

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Abstract In virtue of Auger electron spectroscopy, it is found that the level of grain-boundary P segregation in GH4169 superalloy increases with the increase in solution treatment temperature. Based on this, the characteristic of NGS of P in superalloy is confirmed for the first time. The confirmation provides new theoretical and experimental basis for understanding the influence of P on mechanical properties of superalloys.

Key words: grain-boundary segregation superalloy Inconel 718

Received: 21 December 2006

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y2007/V43/I8/893

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