Influence of Melt Temperature and Atomization Pressure on Argon-atomized Nickel-based Superalloy Powder

被引：0
|
作者：
Zhong W. [1 ]
Jiao D. [1 ]
Qiu W. [1 ]
Liu Z. [1 ,2 ]
机构：
[1] School of Materials Science and Engineering, South China University of Technology, Guangzhou
[2] Dongguan Hyper Tech Co.,Ltd., Guangdong, Dongguan
来源：
Cailiao Daobao/Materials Reports | 2023年 / 37卷 / 10期
关键词：
atomization pressure; hollowness; melt temperature; oxygen content; superalloy powder;
D O I：
10.11896/cldb.21070245
中图分类号：
学科分类号：
摘要：
In this work,the nickel-based superalloy powders were prepared by argon atomization. By changing the atomization parameters,the effects of melt temperature (1 585 ℃,1 618 ℃,and 1 653 ℃)and atomization pressure (3. 0 MPa,3. 2 MPa,and 3. 5 MPa)on the particle size, oxygen content and hollowness of the prepared powders were investigated. The results indicated that the melt temperature has an important effect on the hollowness of the powder,but no significant effect on the other powder properties. With the temperature increasing,the hollowness of the powder first decreases and then increases. However,the atomization pressure affects not only the powder hollowness but also the particle size and oxygen content. With the atomization pressure increasing,the powder particle size decreases significantly,and the oxygen content and hollowness first decrease and then increase. The high quality powders can be obtained at the melt temperature of 1 618 ℃ and the atomization pressure of 3. 2 MPa. © 2023 Cailiao Daobaoshe/ Materials Review. All rights reserved.
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