Influence of Processing Parameters on Granularity Distribution of Superalloy Powders during PREP

材料科学技术（英文）, 2003, 19(6): 587-590.

^1, , ^2, , ^3, , ^4, , ^5,

1.University of Science & Technology Beijing, Beijing 100083, China;Ningxia University, Yinchuan 750021, China

2.University of Science & Technology Beijing, Beijing 100083, China

3.Central Iron and Steel Research Institute, Beijing 100081, China

4.University of Science & Technology Beijing, Beijing 100083, China

5.University of Science & Technology Beijing, Beijing 100083, China

基金项目: The National Defence Committee of Science and Technology China is acknowledged for financial support(95-YJ-20)

Influence of Processing Parameters on Granularity Distribution of Superalloy Powders during PREP

Keywords： FGH95 superalloy powders

In order to investigate the influence of processing parameters on the granularity distribution of superalloy powders during the atomization of plasma rotating electrode processing (PREP), in this paper FGH95 superalloy powders is prepared under different processing conditions by PREP and the influence of PREP processing parameters on the granularity distribution of FGH95 superalloy powders is discussed based on fractal geometry theory. The results show that with the increase of rotating velocity of the self-consuming electrode, the fractal dimension of the granularity distribution increases linearly, which results in the increase of the proportion of smaller powders. The change of interval between plasma gun and the self-consuming electrode has a little effect on the granularity distribution, also the fractal dimension of the granularity distribution changed a little correspondingly.

参考文献

[1]	W Pietsch;H Stephan;A Feuerstein;J Heimerl R Ruthardt .[J].Powder Metallurgy International,1983,15(02):77.
[2]	Huanming CHEN;Benfu HU;Quanmao YU;Duo SONG .[J].Journal of Materials Engineering,2002,3:32.
[3]	Yiwen ZHANG .[J].Journal of Iron and Steel Research International,1998,10(03):74.
[4]	Ying ZHANG;Shikui LI;Shengda CHEN .[J].Powder Metallurgy Industry,1998,8(06):17.
[5]	Chengqun HE;Benfu HU;Weiming GUO;Shengda CHEN .[J].Acta Metallurgica Sinica,2000,36(02):187.
[6]	W V Youdelis;O Kwon .[J].Metal Science Journal,1983,17(08):385.
[7]	Liankui NIU;Yingcai ZHANG;Shikui LI .[J].Powder Metallurgy Industry,1999,9(03):23.
[8]	Jinwen ZOU;Wuxiang WANG .[J].Materials Science and Technology,1999,7(ZK):201.
[9]	B Champagne;R Angers .[J].International Journal of Powder Metallurgy and Powder Technology,1980,16(04):237.
[10]	Cengiz Dogan;Suleyman Saritas .[J].International Journal of Powder Metallurgy,1994,30(04):419.
[11]	Qiheng LI.General Concept of Crushing Theory[M].北京:冶金工业出版社,1993:26.
[12]	B B Mandelbrot;W H Freeman.The Fractal Geometry of Nature[M].New York,1983:468.

上一张下一张

计量

下载量()
访问量()

作者相关

在本站搜索
在百度学术搜索
在万方数据库搜索
在CNKI搜索

文章评分

您的评分：
1

0%
2

0%
3

0%
4

0%
5

0%

材料期刊网

Influence of Processing Parameters on Granularity Distribution of Superalloy Powders during PREP

参考文献