30 research outputs found
Deposition and Characterization of NiCoCrAlY Coatings by Multi-chamber Detonation Sprayer
In this study, multi-chamber detonation sprayer (MCDS) was applied for deposition of NiCoCrAlY powder coatings (60-65 mm thick) on nickel base superalloy JS6U (Russia). Powder RPCoCr27Al7Si3Y was used to deposit of a coating. The coating microstructures and phase compositions were characterized using SEM, OM and XRD techniques. Measurement of the microhardness of samples was done with a micro-hardness tester DM β 8B using a Vickersβs indenter with load on of 0.01 N. It was established that MCDS has provided the conditions for formation of a dense layer with porosity below 1% and microhardness of 1100 Β± 250 HV0.1
Deposition and Characterization of NiCoCrAlY Coatings by Multi-chamber Detonation Sprayer
In this study, multi-chamber detonation sprayer (MCDS) was applied for deposition of NiCoCrAlY powder coatings (60-65 mm thick) on nickel base superalloy JS6U (Russia). Powder RPCoCr27Al7Si3Y was used to deposit of a coating. The coating microstructures and phase compositions were characterized using SEM, OM and XRD techniques. Measurement of the microhardness of samples was done with a micro-hardness tester DM β 8B using a Vickersβs indenter with load on of 0.01 N. It was established that MCDS has provided the conditions for formation of a dense layer with porosity below 1% and microhardness of 1100 Β± 250 HV0.1
Properties of superhard nanostructured coatings Ti-Hf-Si-N
New superhard coatings based on Ti-Hf-Si-N featuring high physical and mechanical properties were fabricated. We employed a vacuum-arc source with HF stimulation and a cathode sintered from Ti-Hf-Si. Nitrides were fabricated using atomic nitrogen (N) or a mixture of Ar/N, which were leaked-in a chamber at various pressures and applied to a substrate potentials. RBS, SIMS, GT-MS, SEM with EDXS, XRD, and nanoindentation were employed as analyzing methods of chemical and phase composition of thin films. We also tested tribological and corrosion properties. The resulting coating was a two-phase, nanostructured nc-(Ti, Hf)N and Ξ±-Si3N4. Sizes of substitution solid solution nanograins changed from 3.8 to 6.5 nm, and an interface thickness surrounding Ξ±-Si3N4 varied from 1.2 to 1.8 nm. Coatings hardness, which was measured by nanoindentation was from 42.7 GPa to 48.6 GPa, and an elastic modulus was E = (450 to 515) GPa. The films stoichiometry was defined for various deposition conditions. It was found that in samples with superhard coatings of 42.7 to 48.6GPa hardness and lower roughness in comparison with other series of samples, friction coefficient was equal to 0.2, and its value did not change over all depth (thickness) of coatings. A film adhesion to a substrate was essentially high and reached 25MPa.
Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ Π½ΠΎΠ²ΡΠ΅ ΡΠ²Π΅ΡΡ
ΡΠ²Π΅ΡΠ΄ΡΠ΅ ΠΏΠΎΠΊΡΡΡΠΈΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Ti-Hf-Si-N Ρ Π²ΡΡΠΎΠΊΠΈΠΌΠΈ ΡΠΈΠ·ΠΈΠΊΠΎ-ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΠΌΠΈ ΡΠ²ΠΎΠΉΡΡΠ²Π°ΠΌΠΈ. Π ΠΏΡΠΎΡΠ΅ΡΡΠ΅ ΡΠΈΠ½ΡΠ΅Π·Π° ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π²Π°ΠΊΡΡΠΌΠ½ΠΎ-Π΄ΡΠ³ΠΎΠ²ΠΎΠ³ΠΎ ΠΎΡΠ°ΠΆΠ΄Π΅Π½ΠΈΡ Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΠ§ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ ΡΠ°ΡΠΏΡΠ»ΡΠ»ΡΡ ΡΠ΅Π»ΡΠ½ΠΎΠ»ΠΈΡΠΎΠΉ ΠΊΠ°ΡΠΎΠ΄ Ti-Hf-Si. ΠΠΈΡΡΠΈΠ΄Ρ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π»ΠΈΡΡ Π² ΡΡΠ΅Π΄Π΅ Π°ΡΠΎΠΌΠ°ΡΠ½ΠΎΠ³ΠΎ Π°Π·ΠΎΡΠ° (N) ΠΈΠ»ΠΈ Π² ΡΠΌΠ΅ΡΠΈ Ar/N, ΠΊΠΎΡΠΎΡΡΠ΅ Π½Π°ΠΏΡΡΠΊΠ°Π»ΠΈΡΡ Π² ΠΊΠ°ΠΌΠ΅ΡΡ ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
Π΄Π°Π²Π»Π΅Π½ΠΈΡΡ
. Π₯ΠΈΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΈ ΡΠ°Π·ΠΎΠ²ΡΠΉ ΡΠΎΡΡΠ°Π²Ρ ΡΠΎΠ½ΠΊΠΈΡ
ΠΏΠ»Π΅Π½ΠΎΠΊ Π°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π»ΡΡ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ RBS, SIMS, GT-MS, SEM Ρ EDXS, Π Π‘Π, Π° ΡΠ²Π΅ΡΠ΄ΠΎΡΡΡ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ»Π°ΡΡ Π½Π°Π½ΠΎΠΈΠ½Π΄Π΅Π½ΡΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈΡΡ ΡΡΠΈΠ±ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΈ ΠΊΠΎΡΡΠΎΠ·ΠΈΠΎΠ½Π½ΡΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΏΠΎΠΊΡΡΡΠΈΠΉ. ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΠΏΠΎΠΊΡΡΡΠΈΡ ΡΠ²Π»ΡΡΡΡΡ Π΄Π²ΡΡ
ΡΠ°Π·Π½ΡΠΌΠΈ Π½Π°Π½ΠΎΡΡΡΡΠΊΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌΠΈ nΡ-(Ti, Hf)N ΠΈ Ξ±-Si3N4. Π Π°Π·ΠΌΠ΅ΡΡ Π½Π°Π½ΠΎΠ·Π΅ΡΠ΅Π½ ΡΠ²Π΅ΡΠ΄ΠΎΠ³ΠΎ ΡΠ°ΡΡΠ²ΠΎΡΠ° Π²Π°ΡΡΠΈΡΠΎΠ²Π°Π»ΠΈΡΡ ΠΎΡ 3,8 Π΄ΠΎ 6,5 Π½ΠΌ, Π° ΡΠΎΠ»ΡΠΈΠ½Π° ΠΎΠΊΡΡΠΆΠ°ΡΡΠ΅ΠΉ ΠΎΠ±ΠΎΠ»ΠΎΡΠΊΠΈ Ξ±-Si3N4 ΠΌΠ΅Π½ΡΠ»Π°ΡΡ ΠΎΡ 1,2 Π΄ΠΎ 1,8 Π½ΠΌ. Π’Π²Π΅ΡΠ΄ΠΎΡΡΡ ΠΏΠΎΠΊΡΡΡΠΈΠΉ H ΡΠΎΡΡΠ°Π²Π»ΡΠ»Π° 42,7 48,6 ΠΠΠ°, Π° ΠΌΠΎΠ΄ΡΠ»Ρ ΡΠΏΡΡΠ³ΠΎΡΡΠΈ Π ΠΏΡΠΈΠ½ΠΈΠΌΠ°Π» Π·Π½Π°ΡΠ΅Π½ΠΈΡ ΠΎΡ 450 ΠΠΠ° Π΄ΠΎ 515 ΠΠΠ°. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° ΡΡΠ΅Ρ
ΠΈΠΎΠΌΠ΅ΡΡΠΈΡ ΠΏΠ»Π΅Π½ΠΎΠΊ ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΡΠ»ΠΎΠ²ΠΈΡΡ
ΠΎΡΠ°ΠΆΠ΄Π΅Π½ΠΈΡ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΡΠΎ Π² ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
ΡΠ²Π΅ΡΡ
ΡΠ²Π΅ΡΠ΄ΡΡ
ΠΏΠΎΠΊΡΡΡΠΈΠΉ Ρ ΡΠ²Π΅ΡΠ΄ΠΎΡΡΡΡ 42,7 48.6 ΠΠΠ° Π½Π°Π±Π»ΡΠ΄Π°Π»Π°ΡΡ Π±ΠΎΠ»Π΅Π΅ Π½ΠΈΠ·ΠΊΠ°Ρ ΡΠ΅ΡΠΎΡ
ΠΎΠ²Π°ΡΠΎΡΡΡ ΠΏΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ Π΄ΡΡΠ³ΠΈΠΌΠΈ ΠΎΠ±ΡΠ°Π·ΡΠ°ΠΌΠΈ, ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½Ρ ΡΡΠ΅Π½ΠΈΡ ΡΠΎΡΡΠ°Π²Π»ΡΠ» 0,2, ΠΈ Π΅Π³ΠΎ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅ Π½Π΅ ΠΈΠ·ΠΌΠ΅Π½ΡΠ»ΠΎΡΡ ΠΏΠΎ Π²ΡΠ΅ΠΉ Π³Π»ΡΠ±ΠΈΠ½Π΅ (ΡΠΎΠ»ΡΠΈΠ½Π΅) ΠΏΠΎΠΊΡΡΡΠΈΡ. ΠΠ΄Π³Π΅Π·ΠΈΡ ΠΏΠ»Π΅Π½ΠΊΠΈ ΠΊ ΠΏΠΎΠ΄Π»ΠΎΠΆΠΊΠ΅ Π΄ΠΎΡΡΠΈΠ³Π»Π° 25 ΠΠΠ°. Π£ ΡΠΎΠ±ΠΎΡΡ ΠΎΡΡΠΈΠΌΠ°Π½Ρ Π½ΠΎΠ²Ρ Π½Π°Π΄ΡΠ²Π΅ΡΠ΄Ρ ΠΏΠΎΠΊΡΠΈΡΡΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ Ti-Hf-SΡ-N Π· Π²ΠΈΡΠΎΠΊΠΈΠΌΠΈ ΡΡΠ·ΠΈΠΊΠΎ-ΠΌΠ΅Ρ
Π°Π½ΡΡΠ½ΠΈΠΌΠΈ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡΠΌΠΈ. Π£ ΠΏΡΠΎΡΠ΅ΡΡ ΡΠΈΠ½ΡΠ΅Π·Ρ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π²Π°ΠΊΡΡΠΌΠ½ΠΎ-Π΄ΡΠ³ΠΎΠ²ΠΎΠ³ΠΎ ΠΎΡΠ°Π΄ΠΆΠ΅Π½Π½Ρ ΡΠ· Π·Π°ΡΡΠΎΡΡΠ²Π°Π½Π½ΡΠΌ ΠΠ§ Π½Π°ΠΏΡΡΠ³ΠΈ ΡΠΎΠ·ΠΏΠΎΡΠΎΡΡΠ²Π°Π²ΡΡ ΡΡΡΡΠ»ΡΠ½ΠΎΠ»ΠΈΡΠΈΠΉ ΠΊΠ°ΡΠΎΠ΄ TΡ-Hf-SΡ. ΠΡΡΡΠΈΠ΄ΠΈ ΡΠΎΡΠΌΡΠ²Π°Π»ΠΈΡΡ Ρ ΡΠ΅ΡΠ΅Π΄ΠΎΠ²ΠΈΡΡ Π°ΡΠΎΠΌΠ°ΡΠ½ΠΎΠ³ΠΎ Π°Π·ΠΎΡΡ (N) Π°Π±ΠΎ Ρ ΡΡΠΌΡΡΡ Ar/N, ΡΠΊΡ Π½Π°ΠΏΡΡΠΊΠ°Π»ΠΈΡΡ Ρ ΠΊΠ°ΠΌΠ΅ΡΡ ΠΏΡΠΈ ΡΡΠ·Π½ΠΈΡ
ΡΠΈΡΠΊΠ°Ρ
. Π₯ΡΠΌΡΡΠ½ΠΈΠΉ Ρ ΡΠ°Π·ΠΎΠ²ΠΈΠΉ ΡΠΊΠ»Π°Π΄ΠΈ ΡΠΎΠ½ΠΊΠΈΡ
ΠΏΠ»ΡΠ²ΠΎΠΊ Π°Π½Π°Π»ΡΠ·ΡΠ²Π°Π»ΠΈΡΡ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ RBS, SΠMS, GT-MS, SEM Π· EDXS, Π Π‘Π, Π° ΡΠ²Π΅ΡΠ΄ΡΡΡΡ Π²ΠΈΠ·Π½Π°ΡΠ°Π»Π°ΡΡ Π½Π°Π½ΠΎΡΠ½Π΄Π΅Π½ΡΡΠ²Π°Π½Π½ΡΠΌ. ΠΠΎΡΠ»ΡΠ΄ΠΆΡΠ²Π°Π»ΠΈΡΡ ΡΡΠΈΠ±ΠΎΠ»ΠΎΠ³ΡΡΠ½Ρ ΡΠ° ΠΊΠΎΡΠΎΠ·ΡΠΉΠ½Ρ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡ ΠΏΠΎΠΊΡΠΈΡΡΡΠ². ΠΡΡΠΈΠΌΠ°Π½Ρ ΠΏΠΎΠΊΡΠΈΡΡΡ Ρ Π΄Π²ΠΎΡΠ°Π·Π½ΠΈΠΌΠΈ Π½Π°Π½ΠΎΡΡΡΡΠΊΡΡΡΠΎΠ²Π°Π½ΠΈΠΌΠΈ nΡ-(TΡ, Hf)N Ρ -SΡ3N4. Π ΠΎΠ·ΠΌΡΡΠΈ Π½Π°Π½ΠΎΠ·Π΅ΡΠ΅Π½ ΡΠ²Π΅ΡΠ΄ΠΎΠ³ΠΎ ΡΠΎΠ·ΡΠΈΠ½Ρ Π²Π°ΡΡΡΠ²Π°Π»ΠΈΡΡ Π²ΡΠ΄ 3,8 Π΄ΠΎ 6,5 Π½ΠΌ, Π° ΡΠΎΠ²ΡΠΈΠ½Π° Π½Π°Π²ΠΊΠΎΠ»ΠΈΡΠ½ΡΠΎΡ ΠΎΠ±ΠΎΠ»ΠΎΠ½ΠΊΠΈ -SΡ3N4 Π·ΠΌΡΠ½ΡΠ²Π°Π»Π°ΡΡ Π²ΡΠ΄ 1,2 Π΄ΠΎ 1,8 Π½ΠΌ. Π’Π²Π΅ΡΠ΄ΡΡΡΡ ΠΏΠΎΠΊΡΠΈΡΡΡΠ² H ΡΡΠ°Π½ΠΎΠ²ΠΈΠ»Π° 42,7 48,6 ΠΠΠ°, Π° ΠΌΠΎΠ΄ΡΠ»Ρ ΠΏΡΡΠΆΠ½ΠΎΡΡΡ Π ΠΏΡΠΈΠΉΠΌΠ°Π² Π·Π½Π°ΡΠ΅Π½Π½Ρ Π²ΡΠ΄ 450 ΠΠΠ° Π΄ΠΎ 515 ΠΠΠ°. ΠΠΈΠ·Π½Π°ΡΠ΅Π½ΠΎ ΡΡΠ΅Ρ
ΡΠΎΠΌΠ΅ΡΡΡΡ ΠΏΠ»ΡΠ²ΠΎΠΊ ΠΏΡΠΈ ΡΡΠ·Π½ΠΈΡ
ΡΠΌΠΎΠ²Π°Ρ
ΠΎΡΠ°Π΄ΠΆΠ΅Π½Π½Ρ. ΠΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ, ΡΠΎ Ρ Π·ΡΠ°Π·ΠΊΠ°Ρ
Π½Π°Π΄ΡΠ²Π΅ΡΠ΄ΠΈΡ
ΠΏΠΎΠΊΡΠΈΡΡΡΠ² ΡΠ· ΡΠ²Π΅ΡΠ΄ΡΡΡΡ 42,7 48.6 ΠΠΠ° ΡΠΏΠΎΡΡΠ΅ΡΡΠ³Π°Π»Π°ΡΡ Π½ΠΈΠΆΡΠ° ΡΠΎΡΡΡΠΊΡΡΡΡ Ρ ΠΏΠΎΡΡΠ²Π½ΡΠ½Π½Ρ Π· ΡΠ½ΡΠΈΠΌΠΈ Π·ΡΠ°Π·ΠΊΠ°ΠΌΠΈ, ΠΊΠΎΠ΅ΡΡΡΡΡΠ½Ρ ΡΠ΅ΡΡΡ ΡΡΠ°Π½ΠΎΠ²ΠΈΠ² 0,2, Ρ ΠΉΠΎΠ³ΠΎ Π·Π½Π°ΡΠ΅Π½Π½Ρ Π½Π΅ Π·ΠΌΡΠ½ΡΠ²Π°Π»ΠΎΡΡ Π·Π° Π³Π»ΠΈΠ±ΠΈΠ½ΠΎΡ (ΡΠΎΠ²ΡΠΈΠ½ΠΎΡ) ΠΏΠΎΠΊΡΠΈΡΡΡ. ΠΠ΄Π³Π΅Π·ΡΡ ΠΏΠ»ΡΠ²ΠΊΠΈ Π΄ΠΎ ΠΏΡΠ΄ΠΊΠ»Π°Π΄ΠΊΠΈ Π΄ΠΎΡΡΠ³Π»Π° 25 ΠΠΠ°
Improving the Wear Resistance of Thermally Sprayed Nanocomposite Cr3C2-25NiCr Coatings by Pulsed Plasma Treatment
In this study the surfaces of thermally sprayed nanocomposite Cr3C2-25NiCr coating have been treated by the pulsed plasma. The nanocomposite Cr3C2-25NiCr coating was deposited by a new multi-chamber gas-dynamic accelerator on grit blasted steel substrate. An automatic pulse-plasma device βImpulse-6β was employed to plasma treatment the surface of Cr3C2-25NiCr coating. The microstructure and wear resistance of the surface of the nanocomposite Cr3C2-NiCr coating before and after the pulsed plasma treatment (PPT) was studied in this paper. Wear tests were carried out using a computer controlled pin-on-disc type tribometer at 25 ΒΊC. The specific wear rate of the nanocomposite Cr3C2-25NiCr coating after PPT is approximately four times less than that of the Cr3C2-25NiCr coating before PPT, indicating that the nanocomposite Cr3C2-25NiCr coating after PPT exhibits better wear resistance. Detailed analysis indicates that the enhanced wear resistance of the nanocomposite Cr3C2-25NiCr coating after PPT is mainly attributed to the formation of an oxide tribolayer and smoother surface, which result from the dense and amorphous microstructure of the coating
Physical, mechanical properties and thermal annealing of hard and superhard Zr-Ti-Si-N coatings
Elemental and phase analysis of nanocomposite coatings on basis Ti-Hf-Si-N system received by the vacuum-arc deposition method
Coatings on the basis Ti-Hf-Si-N system were synthesized by vacuum-arc deposition method from
the uniflow and separated ion-plasma flow. The morphology, elemental and phase composition of
coatings were investigated. The dependence of the characteristics of the coating from the physical
and technological parameters of deposition was installed. The two-phase structure of the coating: a
substitutional solution (Ti, Hf)N and quasiamorphous silikonitrid Ξ±-SiβNβ was determined. The factors
that determine the compressive stresses in the coatings were considered.ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ Π²Π°ΠΊΡΡΠΌΠ½ΠΎ-Π΄ΡΠ³ΠΎΠ²ΠΎΠ³ΠΎ ΠΎΡΠ°ΠΆΠ΄Π΅Π½ΠΈΡ ΠΈΠ· ΠΏΡΡΠΌΠΎΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΈ ΡΠ΅ΠΏΠ°ΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΠΈΠΎΠ½Π½ΠΎ-ΠΏΠ»Π°Π·ΠΌΠ΅Π½Π½ΠΎΠ³ΠΎ
ΠΏΠΎΡΠΎΠΊΠ° ΡΠΈΠ½ΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½Ρ ΠΏΠΎΠΊΡΡΡΠΈΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΠΈΡΡΠ΅ΠΌΡ Ti-Hf-Si-N. ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Π° ΠΌΠΎΡΡΠΎΠ»ΠΎΠ³ΠΈΡ,
ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ ΡΠ»Π΅ΠΌΠ΅Π½ΡΠ½ΡΠΉ ΠΈ ΡΠ°Π·ΠΎΠ²ΡΠΉ ΡΠΎΡΡΠ°Π² ΠΏΠΎΠΊΡΡΡΠΈΠΉ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½Π° Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΡ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΏΠΎΠΊΡΡΡΠΈΠΉ ΠΎΡ ΡΠΈΠ·ΠΈΠΊΠΎ-ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΎΡΠ°ΠΆΠ΄Π΅Π½ΠΈΡ. ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π° Π΄Π²ΡΡ
ΡΠ°Π·Π½Π°Ρ ΡΡΡΡΠΊΡΡΡΠ° ΠΏΠΎΠΊΡΡΡΠΈΡ: ΡΠ²Π΅ΡΠ΄ΡΠΉ ΡΠ°ΡΡΠ²ΠΎΡ Π·Π°ΠΌΠ΅ΡΠ΅Π½ΠΈΡ (Ti, Hf)N ΠΈ ΠΊΠ²Π°Π·ΠΈΠ°ΠΌΠΎΡΡΠ½ΡΠΉ ΡΠΈΠ»ΠΈΠΊΠΎΠ½ΠΈΡΡΠΈΠ΄ Ξ±-SiβNβ. Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΡΠ°ΠΊΡΠΎΡΡ, ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡΠΈΠ΅ ΡΠΆΠΈΠΌΠ°ΡΡΠΈΠ΅ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ Π² ΠΏΠΎΠΊΡΡΡΠΈΡΡ
.ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ Π²Π°ΠΊΡΡΠΌΠ½ΠΎ-Π΄ΡΠ³ΠΎΠ²ΠΎΠ³ΠΎ ΠΎΡΠ°Π΄ΠΆΠ΅Π½Π½Ρ Π· ΠΏΡΡΠΌΠΎΡΠΎΡΠ½ΠΎΠ³ΠΎ Ρ ΡΠ΅ΠΏΠ°ΡΠΎΠ²Π°Π½ΠΎΠ³ΠΎ ΡΠΎΠ½Π½ΠΎ-ΠΏΠ»Π°Π·ΠΌΠΎΠ²ΠΎΠ³ΠΎ ΠΏΠΎΡΠΎΠΊΡ ΡΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½Ρ ΠΏΠΎΠΊΡΠΈΡΡΡ Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ ΡΠΈΡΡΠ΅ΠΌΠΈ Ti-Hf-Si-N. ΠΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½ΠΎ ΠΌΠΎΡΡΠΎΠ»ΠΎΠ³ΡΡ, Π²ΠΈΠ·Π½Π°ΡΠ΅Π½ΠΎ Π΅Π»Π΅ΠΌΠ΅Π½ΡΠ½ΠΈΠΉ Ρ ΡΠ°Π·ΠΎΠ²ΠΈΠΉ ΡΠΊΠ»Π°Π΄ ΠΏΠΎΠΊΡΠΈΡΡΡΠ². ΠΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ Π·Π°Π»Π΅ΠΆΠ½ΡΡΡΡ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΏΠΎΠΊΡΠΈΡΡΡΠ² Π²ΡΠ΄ ΡΡΠ·ΠΈΠΊΠΎ-ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΡΠ½ΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΡΠ² ΠΎΡΠ°Π΄ΠΆΠ΅Π½Π½Ρ. ΠΠΈΠ·Π½Π°ΡΠ΅Π½Π° Π΄Π²ΠΎΡΠ°Π·Π½Π° ΡΡΡΡΠΊΡΡΡΠ° ΠΏΠΎΠΊΡΠΈΡΡΡ: ΡΠ²Π΅ΡΠ΄ΠΈΠΉ ΡΠΎΠ·ΡΠΈΠ½ Π·Π°ΠΌΡΡΠ΅Π½Π½Ρ (Ti, Hf) N Ρ ΠΊΠ²Π°Π·ΡΠ°ΠΌΠΎΡΡΠ½ΠΈΠΉ ΡΠΈΠ»ΡΠΊΠΎΠ½ΡΡΡΠΈΠ΄ Ξ±-SiβNβ. Π ΠΎΠ·Π³Π»ΡΠ½ΡΡΠΎ ΡΠΈΠ½Π½ΠΈΠΊΠΈ, ΡΠΎ Π²ΠΈΠ·Π½Π°ΡΠ°ΡΡΡ ΡΡΠΈΡΠΊΠ°ΡΡΡ Π½Π°ΠΏΡΡΠΆΠ΅Π½Π½Ρ Ρ ΠΏΠΎΠΊΡΠΈΡΡΡΡ
Structures and properties of Ti alloys after double implantation
Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ Π½ΠΎΠ²ΡΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΏΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΡΡΡΠΊΡΡΡΡ ΠΈ ΡΠΈΠ·ΠΈΠΊΠΎ-ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΏΡΠΈΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΡ
ΡΠ»ΠΎΠ΅Π² ΡΠΈΡΠ°Π½ΠΎΠ²ΡΡ
ΡΠΏΠ»Π°Π²ΠΎΠ² ΠΏΠΎΡΠ»Π΅ (W+, Mo+) ΠΈΠΎΠ½Π½ΠΎΠΉ ΠΈΠΌΠΏΠ»Π°Π½ΡΠ°ΡΠΈΠΈ ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅Π³ΠΎ ΠΎΡΠΆΠΈΠ³Π° ΠΏΡΠΈ 550 Π‘ Π² ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ 2 Ρ. ΠΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΎΠ±ΡΠ°ΡΠ½ΠΎΠ³ΠΎ ΡΠ°ΡΡΠ΅ΡΠ½ΠΈΡ (RBS) ΠΈΠΎΠ½ΠΎΠ² Π³Π΅Π»ΠΈΡ ΠΈ ΠΏΡΠΎΡΠΎΠ½ΠΎΠ², ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅ΠΉ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΠΊΠΎΠΏΠΈΠΈ (SEM) Ρ ΠΌΠΈΠΊΡΠΎΠ°Π½Π°Π»ΠΈΠ·Π° (ΠΠ¦Π), (WDS), ΠΏΡΠΎΡΠΎΠ½ΠΎΠ² (ΠΈΠΎΠ½ΠΎΠ²), ΠΈΠ½Π΄ΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ²ΡΠΊΠΎΠ³ΠΎ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΡ (PIXE), ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° (Π Π‘Π) Ρ Π³Π΅ΠΎΠΌΠ΅ΡΡΠΈΠΈ ΡΠΊΠΎΠ»ΡΠ·ΡΡΠ΅Π³ΠΎ ΠΏΠ°Π΄Π΅Π½ΠΈΡ (0,5 Π³ΡΠ°Π΄.), ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ Π½Π°Π½ΠΎΡΠ²Π΅ΡΠ΄ΠΎΡΡΠΈ ΠΈ ΠΌΠΎΠ΄ΡΠ»Ρ ΡΠΏΡΡΠ³ΠΎΡΡΠΈ, ΡΡΠ΅Π½ΠΈΡ ΠΈΠ·Π½ΠΎΡΠ° (ΡΠΈΠ»ΠΈΠ½Π΄Ρ-ΠΏΠ»Π°ΡΡΠΈΠ½Ρ), ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ ΠΊΠΎΡΡΠΎΠ·ΠΈΠΎΠ½Π½Π°Ρ ΡΡΠΎΠΉΠΊΠΎΡΡΡ Π² ΡΠΎΠ»Π΅Π²ΠΎΠΌ ΡΠ°ΡΡΠ²ΠΎΡΠ΅, ΠΌΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ VT-6 ΠΎΠ±ΡΠ°Π·ΡΠΎΠ², ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ ΠΈΡ
ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ ΡΡΡΠ°Π»ΠΎΡΡΠΈ ΠΏΡΠΈ ΡΠΈΠΊΠ»ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°Π³ΡΡΠ·ΠΊΠ°Ρ
.
ΠΡΠ»ΠΎ ΠΎΠ±Π½Π°ΡΡΠΆΠ΅Π½ΠΎ Π΄Π²ΠΎΠΉΠ½ΠΎΠ΅ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ ΡΠ²Π΅ΡΠ΄ΠΎΡΡΠΈ, ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ ΠΈΠ·Π½ΠΎΡΠ° ΠΈ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ ΡΡΡΠ°Π»ΠΎΡΡΠΈ, ΡΡΠΎ Π±ΡΠ»ΠΎ ΡΠ²ΡΠ·Π°Π½ΠΎ Ρ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΌΠ°Π»ΠΎΠ΄ΠΈΡΠΏΠ΅ΡΡΠ½ΠΎΠ³ΠΎ Π½ΠΈΡΡΠΈΠ΄Π°, ΠΊΠ°ΡΠ±ΠΎΠ½ΠΈΡΡΠΈΠ΄Π°, ΠΈ ΠΈΠ½ΡΠ΅ΡΠΌΠ΅ΡΠ°Π»Π»ΠΈΠ΄Π½ΡΡ
ΡΠ°Π·.The paper presents new results on investigation of structure and physical-mechanical properties of near
surface layers of titanium alloys after (W+, Mo+) ion implantation and subsequent thermal annealing under 550 C for 2 h. Using back scattering (RBS) of helium ions and protons, scanning electron microscopy (SEM) with microanalysis (EDS), (WDS), proton (ion) induced X-ray emission (PIXE), X-ray
phase analysis (XRD) with a grazing incidence geometry (0.5 angle), measurements of nanohardness and elastic modulus, friction wear (cylinder-plate), measurements of corrosion resistance in a salt solution, we investigated the VT-6 samples, and determined their fatigue resistance under cyclic loads.
Double increase of hardness, decrease of wear and increased fatigue resistance were found, which was related to the formation of small dispersion (nanodimension) nitride, carbonitride, and intermetalloid phases
Structures and properties of Ti alloys after double implantation
Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ Π½ΠΎΠ²ΡΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΏΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΡΡΡΡΠΊΡΡΡΡ ΠΈ ΡΠΈΠ·ΠΈΠΊΠΎ-ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΏΡΠΈΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΡ
ΡΠ»ΠΎΠ΅Π² ΡΠΈΡΠ°Π½ΠΎΠ²ΡΡ
ΡΠΏΠ»Π°Π²ΠΎΠ² ΠΏΠΎΡΠ»Π΅ (W+, Mo+) ΠΈΠΎΠ½Π½ΠΎΠΉ ΠΈΠΌΠΏΠ»Π°Π½ΡΠ°ΡΠΈΠΈ ΠΈ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠ΅Π³ΠΎ ΠΎΡΠΆΠΈΠ³Π° ΠΏΡΠΈ 550 Π‘ Π² ΡΠ΅ΡΠ΅Π½ΠΈΠ΅ 2 Ρ. ΠΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΎΠ±ΡΠ°ΡΠ½ΠΎΠ³ΠΎ ΡΠ°ΡΡΠ΅ΡΠ½ΠΈΡ (RBS) ΠΈΠΎΠ½ΠΎΠ² Π³Π΅Π»ΠΈΡ ΠΈ ΠΏΡΠΎΡΠΎΠ½ΠΎΠ², ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅ΠΉ ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π½ΠΎΠΉ ΠΌΠΈΠΊΡΠΎΡΠΊΠΎΠΏΠΈΠΈ (SEM) Ρ ΠΌΠΈΠΊΡΠΎΠ°Π½Π°Π»ΠΈΠ·Π° (ΠΠ¦Π), (WDS), ΠΏΡΠΎΡΠΎΠ½ΠΎΠ² (ΠΈΠΎΠ½ΠΎΠ²), ΠΈΠ½Π΄ΡΡΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ²ΡΠΊΠΎΠ³ΠΎ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΡ (PIXE), ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΡΠ°Π·ΠΎΠ²ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° (Π Π‘Π) Ρ Π³Π΅ΠΎΠΌΠ΅ΡΡΠΈΠΈ ΡΠΊΠΎΠ»ΡΠ·ΡΡΠ΅Π³ΠΎ ΠΏΠ°Π΄Π΅Π½ΠΈΡ (0,5 Π³ΡΠ°Π΄.), ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ Π½Π°Π½ΠΎΡΠ²Π΅ΡΠ΄ΠΎΡΡΠΈ ΠΈ ΠΌΠΎΠ΄ΡΠ»Ρ ΡΠΏΡΡΠ³ΠΎΡΡΠΈ, ΡΡΠ΅Π½ΠΈΡ ΠΈΠ·Π½ΠΎΡΠ° (ΡΠΈΠ»ΠΈΠ½Π΄Ρ-ΠΏΠ»Π°ΡΡΠΈΠ½Ρ), ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ ΠΊΠΎΡΡΠΎΠ·ΠΈΠΎΠ½Π½Π°Ρ ΡΡΠΎΠΉΠΊΠΎΡΡΡ Π² ΡΠΎΠ»Π΅Π²ΠΎΠΌ ΡΠ°ΡΡΠ²ΠΎΡΠ΅, ΠΌΡ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ VT-6 ΠΎΠ±ΡΠ°Π·ΡΠΎΠ², ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ ΠΈΡ
ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ ΡΡΡΠ°Π»ΠΎΡΡΠΈ ΠΏΡΠΈ ΡΠΈΠΊΠ»ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°Π³ΡΡΠ·ΠΊΠ°Ρ
.
ΠΡΠ»ΠΎ ΠΎΠ±Π½Π°ΡΡΠΆΠ΅Π½ΠΎ Π΄Π²ΠΎΠΉΠ½ΠΎΠ΅ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ ΡΠ²Π΅ΡΠ΄ΠΎΡΡΠΈ, ΡΠ½ΠΈΠΆΠ΅Π½ΠΈΠ΅ ΠΈΠ·Π½ΠΎΡΠ° ΠΈ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠ΅ ΡΠΎΠΏΡΠΎΡΠΈΠ²Π»Π΅Π½ΠΈΡ ΡΡΡΠ°Π»ΠΎΡΡΠΈ, ΡΡΠΎ Π±ΡΠ»ΠΎ ΡΠ²ΡΠ·Π°Π½ΠΎ Ρ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΌΠ°Π»ΠΎΠ΄ΠΈΡΠΏΠ΅ΡΡΠ½ΠΎΠ³ΠΎ Π½ΠΈΡΡΠΈΠ΄Π°, ΠΊΠ°ΡΠ±ΠΎΠ½ΠΈΡΡΠΈΠ΄Π°, ΠΈ ΠΈΠ½ΡΠ΅ΡΠΌΠ΅ΡΠ°Π»Π»ΠΈΠ΄Π½ΡΡ
ΡΠ°Π·.The paper presents new results on investigation of structure and physical-mechanical properties of near
surface layers of titanium alloys after (W+, Mo+) ion implantation and subsequent thermal annealing under 550 C for 2 h. Using back scattering (RBS) of helium ions and protons, scanning electron microscopy (SEM) with microanalysis (EDS), (WDS), proton (ion) induced X-ray emission (PIXE), X-ray
phase analysis (XRD) with a grazing incidence geometry (0.5 angle), measurements of nanohardness and elastic modulus, friction wear (cylinder-plate), measurements of corrosion resistance in a salt solution, we investigated the VT-6 samples, and determined their fatigue resistance under cyclic loads.
Double increase of hardness, decrease of wear and increased fatigue resistance were found, which was related to the formation of small dispersion (nanodimension) nitride, carbonitride, and intermetalloid phases