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Abstracts
In the present study, the production of Inconel 718 nickel based superalloy was carried out in an electric current activated sintering in open air under a uniaxial pressure of 300 MPa using Al, Ni, Fe, Cr, Ti, Co, Fe-Nb and Fe-Mo powders. This alloy was heat treated, following the conventional treatment which consists of a 1 h solution treated at 980°C, followed by air cooling and double ageing, 8 h at 720°C, furnace cooling at 55°C/h down to 620°C and ageing for 8 h. Optical and SEM examinations showed a dense microstructure with low amount of porosity. XRD studies showed the existence of the γ and MC type carbide (M atom is a Nb, Ti combination) and δ phases. The relative density of sample measured according to Archimedes' principle was 93.7%, and the microhardness of sample was about 343.8 HV_{0.1}.
Discipline
- 81.40.Cd: Solid solution hardening, precipitation hardening, and dispersion hardening; aging(see also 64.75.Nx Phase separation and segregation in solid solutions)
- 81.20.Ev: Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation
- 81.05.Bx: Metals, semimetals, and alloys
Journal
Year
Volume
Issue
Pages
1100-1102
Physical description
Dates
published
2015-04
Contributors
author
- Sakarya University, Technology Faculty, Department of Metallurgy and Materials Engineering, 54187, Esentepe Campus, Sakarya-Turkey
author
- Sakarya University, Technology Faculty, Department of Metallurgy and Materials Engineering, 54187, Esentepe Campus, Sakarya-Turkey
author
- Sakarya University, Engineering Faculty, Department of Metallurgy and Materials Engineering, 54187, Esentepe Campus, Sakarya-Turkey
author
- Sakarya University, Engineering Faculty, Department of Metallurgy and Materials Engineering, 54187, Esentepe Campus, Sakarya-Turkey
author
- Sakarya University, Engineering Faculty, Department of Metallurgy and Materials Engineering, 54187, Esentepe Campus, Sakarya-Turkey
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv127n4066kz