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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Marchenko, Ekaterina
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Publications (5/5 displayed)
- 2023Structure and flexural strength of the hot-pressed AlMgB<sub>14</sub> ceramiccitations
- 2020Influence of Silver Addition on Structure, Martensite Transformations and Mechanical Properties of TiNi─Ag Alloy Wires for Biomedical Applicationcitations
- 2019Formation of mineral phases in self-propagating high-temperature synthesis (SHS) of porous TiNi alloycitations
- 2019Biocompatibility and Clinical Application of Porous TiNi Alloys Made by Self-Propagating High-Temperature Synthesis (SHS)citations
- 2019Structural-phase surface composition of porous TiNi produced by SHScitations
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article
Structural-phase surface composition of porous TiNi produced by SHS
Abstract
The study aimed to characterize the structural-phase composition of the porous SHS TiNi surface explored by the GIXRD method. The surface layers at a depth of up to 100 nm mainly consist of amorphous nanocrystalline intermetallic oxycarbonitrides Ti<SUB>4</SUB>Ni<SUB>2</SUB>(O, N, C) with nonmetallic inclusions of different structural variants and routes of origin. Fine-porous alloys were synthesized at ignition temperatures of 450 °C-480 °C. A distinct feature of the surface of crystalline phases therein was shown to be a low degree of crystallinity (up to 40%) and presence of multifarious glass and cermet phases evident as NiSi<SUB>2</SUB>, NaAlSiO (SO<SUB>4</SUB>), SiO<SUB>2</SUB>, MgSi<SUB>2</SUB>, and CaCO<SUB>3</SUB>. Conversely, large-pore alloys ignited at temperatures of 280 °C-330 °C have a higher degree of crystallinity (up to 70%). An individually selected GIXRD technique and precision structural phase analysis are capable to determine a set of other superficial nonmetallic and cermet phases reported as CaTiO<SUB>3</SUB>, Si (P<SUB>2</SUB>O<SUB>7</SUB>), CaSiO<SUB>3</SUB>, MgAl<SUB>2</SUB>O<SUB>4</SUB>, TiNiAl, as well as the Ti<SUB>3</SUB>SiC<SUB>2</SUB>MAX phase....