FUNCTIONALLY GRADED LATTICE STRUCTURES MADE FROM TITANIUM ALLOY BY SELECTIVE LASER MELTING

1 SOKOLOVA Viktoria
Co-authors:
1 BORISOV Evgenii 1 SUFIIAROV Vadim 1 ORLOV Alexey 1 POLOZOV Igor
Institution:
1 Peter the Great St. Petersburg Polytechnic University, Saint-Petersburg, Russia, sockolova.vero@ya.ru, evgenii.borisov@icloud.com, vadim.spbstu@yandex.com, dorlov_alexey88@mail.ru, eigor.polozov@gmail.com
Conference:
28th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 22nd - 24th 2019
Proceedings:
Proceedings 28th International Conference on Metallurgy and Materials
Pages:
1702-1708
ISBN:
978-80-87294-92-5
ISSN:
2694-9296
Published:
4th November 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
51 views / 17 downloads
Abstract

This article presents studies of the of lightweight mesh structures properties made by selective laser melting technology. The study of lattice structures with different sizes of struts was made. Also, methods for optimizing grid structures with variable strut sizes were also used. The structure of the mesh elements after hot isostatic pressing and heat treatment was studied. The results of changes in porosity and mechanical properties of lattice structures after hot isostatic pressing and heat treatment as compared with properties of cortical bone are shown. The presented results can be used in the manufacture of medical implants in order to reduce their weight, improve implantation, while ensuring optimal mechanical properties.

Keywords: Functionally graded materials, lattice structure, titanium alloy, selective laser melting
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