Bimodal metal micro-nanopowders for powder injection molding

Abstract

The paper studies a bimodal metal powder composition designed to prepare feedstock for powder injection molding, as well as microstructure and porosity of sintered pats. Two kinds of metal powder compositions are used, in particular, a mixture of micro- and nanopowders and a bimodal powder prepared with dispersion of steel wire. The feedstock is prepared by mixing a bimodal metal powder composition with acetylacetone and paraffin wax. The microstructure of the debound parts is observed by scanning electron microscopy. The sintered parts are characterized by density measurements and metallographic analysis. The technique of the metal powder composition proves to affect the characteristics of sintered parts. Nanoparticles are shown in the interstitial spaces among the microparticles upon mixing micro- and nanopowders, but the regular distribution of nanoparticles on the surface of microparticles is observed in the bimodal powder providing the reduction of the porosity of sintered parts and increasing the density to the proper density of steel.

Original language	English
Title of host publication	Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017
Subtitle of host publication	Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures
Publisher	American Institute of Physics Inc.
Volume	1915
ISBN (Electronic)	9780735416079
DOIs	https://doi.org/10.1063/1.5017393
Publication status	Published - 12 Dec 2017
Event	11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017 - Ekaterinburg, Russian Federation Duration: 11 Dec 2017 → 15 Dec 2017

Conference

Conference	11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017
Country	Russian Federation
City	Ekaterinburg
Period	11.12.17 → 15.12.17

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.5017393

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Pervikov, A., Rodkevich, N., Glazkova, E., & Lerner, M. (2017). Bimodal metal micro-nanopowders for powder injection molding. In Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017: Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures (Vol. 1915). [040045] American Institute of Physics Inc.. https://doi.org/10.1063/1.5017393

Bimodal metal micro-nanopowders for powder injection molding. / Pervikov, Aleksandr; Rodkevich, Nikolay; Glazkova, Elena; Lerner, Marat.

Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017: Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1915 American Institute of Physics Inc., 2017. 040045.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Pervikov, A, Rodkevich, N, Glazkova, E & Lerner, M 2017, Bimodal metal micro-nanopowders for powder injection molding. in Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017: Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. vol. 1915, 040045, American Institute of Physics Inc., 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017, Ekaterinburg, Russian Federation, 11.12.17. https://doi.org/10.1063/1.5017393

Pervikov A, Rodkevich N, Glazkova E, Lerner M. Bimodal metal micro-nanopowders for powder injection molding. In Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017: Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1915. American Institute of Physics Inc. 2017. 040045 https://doi.org/10.1063/1.5017393

Pervikov, Aleksandr ; Rodkevich, Nikolay ; Glazkova, Elena ; Lerner, Marat. / Bimodal metal micro-nanopowders for powder injection molding. Mechanics, Resource and Diagnostics of Materials and Structures, MRDMS 2017: Proceedings of the 11th International Conference on Mechanics, Resource and Diagnostics of Materials and Structures. Vol. 1915 American Institute of Physics Inc., 2017.

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