Journal
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
Volume 224, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijsolstr.2021.111047
Keywords
Alloy; Compression; Tensile; Shear deformation; Elastic moduli; Stress strain
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Funding
- Russian Science Foundation [19-12-00022]
- Russian Foundation for Basic Research [18-02-00407-a]
- Foundation for the Advancement of Theoretical Physics and Mathematics BASIS
- Russian Science Foundation [19-12-00022] Funding Source: Russian Science Foundation
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The porous titanium nickelide is characterized by unique physical and mechanical properties, and the degree of porosity affects its mechanical behavior under tension, compression, and shear. Different types of pore structures influence the elastic characteristics and resistance to tensile and shear, providing insights for developing and improving amorphous metal foams.
The porous titanium nickelide is very popular in various industries due to a aunique combination of physical and mechanical properties such as shape memory effect, high corrosion resistance, and biocompatibility. The non-equilibrium molecular dynamics simulation was applied to study the influence of porosity degree on mechanical properties of porous amorphous titanium nickelide at uniaxial tension, uniaxial compression, and uniform shear. We have found that the porous amorphous alloy is characterized by a relatively large value of Young's modulus in comparison to its crystalline analogue. It has been found that the system with a percolated network of pores exhibits improved elastic characteristics associated with resistance to tensile and shear. The system containing isolated spherical pores is more resistant to compression and less resistant to tensile and shear. These results can be applied to develop and improve the methods for making amorphous metal foams. (C) 2021 Elsevier Ltd. All rights reserved.
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