Microstructure of a Spray Deposited Intermetallic Compound Alloy of Ni-Al-Mo System

被引：0
|
作者：
米国发 [1 ]
机构：
[1] Institute of Material Physics & Metallurgy,Henan Polytechnic University
来源：
Journal of Wuhan University of Technology(Materials Science) | 2010年 / 03期
关键词：
spray atomization co-deposition; Ni3Al-Mo superalloy; microstructure;
D O I：
暂无
中图分类号：
TG174.442 [喷镀法];
学科分类号：
080503 ;
摘要：
The microstructure of a spray deposited intermetallic compound alloy of Ni-Al-Mo system(Ni3Al-Mo intermetallic compound alloy) prepared by a spray atomization deposition was studied in detail by using optical metallography,XRD,DTA,SEM,TEM,HREM and computer simulation.The preform consists of uniform and equiaxial grains,ranging from 10-40 μm,with some microporosity.Besides the main phases of the matrix alloy γ’ and γ,Ni2Mo and Ni3Mo phases are also found within the γ network.A new Ni enriched phase in the γ phase was identified to have face-centered cubic structure with a lattice constant α=1.09 nm and space group Fm3m.
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页码：375 / 378
页数：4
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