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  4. № 09/10 2013
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Powder Metallurgy Production of 44NKHTYU Elinvars

K.Gogajev,
 
V.Ulshin,
 
V.Voropaev
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2013, #09/10
http://www.materials.kiev.ua/article/897

Abstract

The paper studies the density and porosity of samples from 44NKHTYU elinvar alloy formed by power technology methods, spray process, and electron-beam remelting. It is shown that spray process and solid-phase sintering of powders over a narrow remelting tem¬perature range are the most promising. They can be used to make samples and products whose density and porosity are close to those of the as-cast alloy, the metallic yield being increased.


DENSITY, ELECTRON-BEAM REMELTING, ELINVAR ALLOY, POROSITY, POWDER TECHNOLOGY, SOLID-PHASE SINTERING, SOLIDIFICATION, SPRAY PROCESS

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