激光上釉对耐酸铸造镍基合金显微组织和耐蚀性的影响

中国腐蚀与防护学报

1984, Vol. 4

Issue (3): 218-221

研究报告

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激光上釉对耐酸铸造镍基合金显微组织和耐蚀性的影响

葛云龙;安青;高薇;胡壮麒

中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所;中国科学院金属研究所

INFLUENCE OF LASERGLAZE ON THE MICROSTRUC TURE AND CORROSION RESISTANCE OF A CAST NICKEL-BASE SUPERALLOY

Ge Yunlong An Qing Gao Wei Hu Zhuangqi(Institute of Metals Research; Academia Sinica)

全文: PDF(1805 KB)

摘要: 本文研究激光上釉(Laserglaze)对一种新型耐酸铸造镍基合金显微组织与耐蚀性的影响。激光熔凝后合金显微组织及成份的电镜,扫描电镜,电子探针分析表明,激光上釉使合金组织发生重大变化,合金组织高度细化,大量高熔点第二相熔化,扩大了固溶度,使成份均匀,基本消除了铸造偏析。失重及极化曲线测定表明,激光上釉进一步改善这种合金的腐蚀抗力,因此,激光上釉是一种提高材料耐蚀性的新的表面防护技术,值得深入研究和推广。

Abstract：Influence of laserglaze on the microstructure and corrosion resistance of a cast nickel-base superalloy has been studied, which contains very high contents of refractory metals(Mo 33 Wt％, W 17 Wt％). After surface treatment by laserglaze the alloy structure changes extraordinarily. This change of microstruc-ture has beneficial influence on some of the alloy Properties. Hardness of the laser melted region is evidentiy increased, and corrosion resistance is also improved.

收稿日期: 1984-06-25

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引用本文:

葛云龙;安青;高薇;胡壮麒. 激光上釉对耐酸铸造镍基合金显微组织和耐蚀性的影响[J]. 中国腐蚀与防护学报, 1984, 4(3): 218-221.
. INFLUENCE OF LASERGLAZE ON THE MICROSTRUC TURE AND CORROSION RESISTANCE OF A CAST NICKEL-BASE SUPERALLOY. J Chin Soc Corr Pro, 1984, 4(3): 218-221.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1984/V4/I3/218

[1] Mordike, B, L; Bergmann. H, W, Rapidly Solidified Amorphous and Crystalline Alloys, Ed by Kear, B, H; Boston, M. A., USA., 463(1981)
[2] Strutt, P, R; Lewis, B, G; Kear, B, H; ibid, 485
[3] Breinan, E, M, Physics Today, 29, 44(1976)
[4] 葛云龙,安青,化工机械,2,56(1983)
[5] Geyan Long (葛云龙), Wan JingYun (王景韫), Shih Chang-Hsu (师昌诸), Pract, Met., 19, 561(1982)
[6] Ge Yun-Long (葛云龙), Hu Zhuang-Qi (胡壮麒), Gao Wei(高薇), Shih Chang-Hsu (师昌绪), China-U. S. Seminar On Wear and Erosion, [Aug, 23-Sept, 2, (1983) , Shen-yang, China,]

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