TEM STUDY ON MICROSTRUCTURE OF A LASERGLAZED SINGLE CRYSTAL Ni-BASE SUPERALLOY

Acta Metall Sin

1991, Vol. 27

Issue (6): 9-13 DOI:

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TEM STUDY ON MICROSTRUCTURE OF A LASERGLAZED SINGLE CRYSTAL Ni-BASE SUPERALLOY

WANG Huaming;ZHANG Jinghua;TANG Yajun;LI Ying'ao;HU Zhuangqi Institute of Metal Research; Academia Sinica; Shenyang Manuscript received 28 November; 1990; revised manuscript 10 January; 1991

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WANG Huaming;ZHANG Jinghua;TANG Yajun;LI Ying'ao;HU Zhuangqi Institute of Metal Research; Academia Sinica; Shenyang Manuscript received 28 November; 1990; revised manuscript 10 January; 1991. TEM STUDY ON MICROSTRUCTURE OF A LASERGLAZED SINGLE CRYSTAL Ni-BASE SUPERALLOY. Acta Metall Sin, 1991, 27(6): 9-13.

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Abstract The microstructure of a rapidly solidified single crystal Ni-base superalloy treated by laserglazing has been observed by TEM and STEM-EDAX techniques.Various morphologies of extraordinary flower-like MC carbide (TiC) were revealed in the narrow interdendritic regiom. While the superfine γ' precipitate and higher density.of dislocation were found in the γmatrix.

Key words: laserglazing microstructure single crystal superalloy

Received: 18 June 1991

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1991/V27/I6/9

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