In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding

Yan, Wenqing; Dai, Le; Gui, Chibin

doi:10.1007/s12613-013-0725-4

Cited by 18 publications

(4 citation statements)

References 22 publications

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“…It can be seen in Fig. 5 (d) that the surface of the composite coating is more flat compare to other in-situ composite coatings deposited by spot energy sources, such as laser [36], PTA [37] or GTAW [38]. This difference is mainly caused by the heat sources.…”

Section: Resultsmentioning

confidence: 88%

In-situ synthesis of TiC/Ti composite coating by high frequency induction cladding

Yu¹,

Zhang²,

Wang³

et al. 2017

Journal of Alloys and Compounds

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Section: Resultsmentioning

confidence: 88%

In-situ synthesis of TiC/Ti composite coating by high frequency induction cladding

Yu¹,

Zhang²,

Wang³

et al. 2017

Journal of Alloys and Compounds

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“…Ceramic reinforcement particles are broadly utilized to enhance the surface properties then performance of engineering components in harsh working environments [9,10]. Instead of a single reinforcing phase, two or more reinforcements have been used during the last decade to produce new composite coatings with enhanced properties [11][12][13][14]. Furthermore, it has been reported that the mechanical properties of multi-reinforcement composites are greater to that of binary composites [15].…”

Section: Introductionmentioning

confidence: 99%

Deposition of Multi-Ceramic Aluminium-Matrix Composite Coating by Direct Laser Deposition

Al-Hamdani,

Al-Thamir,

Sahi

et al. 2023

SSP

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Using of metal matrix composite coating is a promising approach for improving the surface properties of a component against the mechanical and environmental attacks especially wear and corrosion. Laser cladding (LC), also known as direct energy deposition (DED), is an additive manufacturing (AM) technique, able to perform coating, repair worn parts, manufacturing and prototyping. In this work, pure Al and a mixture of multi-ceramic Al-15SiC-15Al2O3 coatings were successfully deposited on Al-based substrate. The quality of the deposited clads was evaluated according to macro-graphic, microstructure, and microhardness characteristics. The microscopic inspection of the multi-ceramic coatings showed a slight dilution of SiC particles. Also, XRD investigation revealed a formation of Al4C3 carbide. Besides SiC and Al2O3 hard phases, this yielded an increase in matrix microhardness about 180% (from 75 to 212 Hv0.05) as compared to pure Al clads, indicating a great improvement in the mechanical properties of the composite cladded coating.

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“…It is necessary to note that Ti 5 Si 3 itself is considered a promising candidate for high temperature applications due to its high melting point (2130 • C), high strength, low density and good creep resistance [31][32][33][34][35][36]. However, the major challenges of Ti 5 Si 3 applications include the difficulty of synthesis above 1600 • C, poor high temperature oxidation resistance and low fracture toughness.…”

Section: Introductionmentioning

confidence: 99%

Interaction of Oxygen with the Stable Ti5Si3 Surface

Чумакова

Бакулин

Hocker

et al. 2022

Metals

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The atomic structure and surface energies of several low-index surfaces (0001), (11¯00) and (112¯0) of Ti5Si3 in dependence on their termination were calculated by the projector augmented-wave method within the density functional theory. It was revealed that the mixed TiSi-terminated (0001) surface is stable within the wide range of change in the Ti chemical potential. However, the Ti-terminated Ti5Si3(0001) surface is slightly lower in energy in the Ti-rich limit. The oxygen adsorption on the stable Ti5Si3(0001) surface with TiSi termination was also studied. It was shown that the three-fold coordinated F1 position in the center of the triangle formed by surface titanium atoms is the most preferred for oxygen adsorption on the surface. The appearance of silicon as neighbors of oxygen in other considered F-positions leads to a decrease in the adsorption energy. The factors responsible for the increase/decrease in the oxygen adsorption energy in the considered positions on the titanium silicide surface are discussed.

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In situ synthesis and hardness of TiC/Ti5Si3 composites on Ti-5Al-2.5Sn substrates by gas tungsten arc welding

Cited by 18 publications

References 22 publications

In-situ synthesis of TiC/Ti composite coating by high frequency induction cladding

In-situ synthesis of TiC/Ti composite coating by high frequency induction cladding

Deposition of Multi-Ceramic Aluminium-Matrix Composite Coating by Direct Laser Deposition

Interaction of Oxygen with the Stable Ti5Si3 Surface

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