Akademik Veri Yönetim Sistemi
2nd International Eurasian Conference on Science, Engineering and Technology (EurasianSciEnTech 2020), Gaziantep, Türkiye, 7 - 09 Ekim 2020, ss.473-479, (Tam Metin Bildiri)
Today, metal foams are preferred in many structural or functional applications in different sectors such as
transportation and construction, biomaterials and military materials, thanks to their rigidity, lightness and
strength properties. The pore structure of the metal foams can be open, closed or mixed. In the open pore
structure, the pores are in contact with each other and the environment in which they are located and they are
permeable. In the closed pore structure, the pores are isolated from the environment and from each other. In
the mixed pore structure, two pore structures are together. The materials that are intended to be used in the
body as biomaterials must have some properties. First of all, it should be biocompatible with its living tissue
(it should not be toxic, not cause allergies and not contain carcinogenic components). Then there should be
mechanical and physical properties such as adequate strength, elastic modulus, toughness, fatigue strength
abrasion resistance and low density. In order to increase the biocompatibility and to have a long lifetime, the
biomaterial should have an open porous structure that does not prevent the circulation of blood and body fluids,
without preventing the development of living tissue. Considering these desired properties, metal foams have
significant potential for biomaterial applications. Metals such as titanium and its alloys, magnesium, tantalum
are porously produced and used as biomaterials. Metallic foam shows brittle behavior under the effect of tensile
stress. Thanks to its highly porous structure, its energy absorption capacity is high under compression stress.
In this review, metal foams used as biomaterials, where are they used and the importance of applications, are
discussed in the light of the researches.