Characterisation of Ni-Ti intermetallic coatings formed on Cp titanium by diffusion treatment

Khosravi, Golnaz; Sohi, M. Heydarzadeh; Ghasemi, H.M.; Vafadar, Ali Kh

doi:10.1504/ijsurfse.2015.067038

Cited by 8 publications

(3 citation statements)

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“…Li et al [27,28] proposed a new method for preparing Ni-Ti intermetallic compounds by nickel plating on titanium substrate followed by electron beam remelting. The authors of the present work have reported the formation of Ni-Ti intermetallic coatings by nickel plating on commercially pure titanium followed by heat treatment [29]. A 20 μm thick layer with equi-atomic Ni-Ti composition is produced on the surface of Cp titanium via diffusion treatment.…”

Section: Introductionmentioning

confidence: 90%

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Study of the Tribological Properties of Diffusion Coated NiTi Intermetallic on Cp Titanium

Khosravi¹,

Sohi²,

Ghasemi³

et al. 2022

Tribol. Ind.

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In this work, dry tribological behaviors of commercial pure (Cp) titanium and diffusion coated titanium were studied and compared. Wear tests were performed by a pin on disk tribometer using 52100 steel pins, under various loads of 10, 20, and 40 N. Worn surfaces were examined by scanning electron microscope, equipped with EDS analyzer. The wear rates of the coated materials were lower than those of the Cp titanium. This is mainly attributed to the higher hardness of the NiTi layer (about 280 HV) which is 1.5 times higher than that of the untreated titanium (about 180 HV). In addition, the SEM analysis of the worn surfaces revealed that the formation of tribological layer on the surface of the diffusion treated material effectively lowered the wear rate. The results also demonstrated a lower coefficient of friction in the treated specimens compared to those of the Cp materials.

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Section: Introductionmentioning

confidence: 90%

“…After the plating process, the samples were washed with deionized water and then dried. Based on the results obtained in our previous work [29], the coated specimens were then heat treated at 900 °C for 12 hours in a controlled atmosphere furnace and were consequently cooled to room temperature in the furnace.…”

Section: Methodsmentioning

confidence: 99%

Study of the Tribological Properties of Diffusion Coated NiTi Intermetallic on Cp Titanium

Khosravi¹,

Sohi²,

Ghasemi³

et al. 2022

Tribol. Ind.

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“…Therefore, applying a diffusion-based treatment, which improves adhesion strength to the substrate, can overcome the defects of the previous methods [23]. The authors of the present work have reported the formation of Ni-Ti intermetallic coatings by nickel plating on commercially pure titanium followed by heat treatment [24]. A 20 µm thick layer with equi-atomic Ni-Ti composition is produced on the surface of Cp titanium via diffusion treatment.…”

Section: Introductionmentioning

confidence: 81%

Comparative Tribological Study of NiTi Diffusion Coated Titanium with Pure Titanium

Khosravi

Sohi

Ghasemi

et al. 2021

Preprint

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Dry tribological behaviors of commercial pure (Cp) titanium and Cp titanium diffusion coated with equiatomic NiTi intermetallic layer were studied and compared at room temperature. Wear tests were performed by a pin on disk tribometer using 52100 steel pins, under various normal loads of 10, 20, and 40 N. worn surfaces were examined by scanning electron microscope, equipped with EDS analyzer. The wear rates of the coated materials were lower than those of the Cp titanium at all loads. This was mainly attributed to the higher hardness of the NiTi intermetallic layer compared to that of the untreated titanium. Furthermore, under an applying load of 10 N, a tribological layer was formed which could protect the surface from severe wear. The results also demonstrated a lower coefficient of friction in the treated specimens compared to those of the Cp materials.

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Corrosion Behavior of Cu/Ni Coatings on Ti-6Al-4V Alloy after Diffused Treatment

Wang

Chen

Liu

et al. 2020

J. Wuhan Univ. Technol.-Mat. Sci. Edit.

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Characterisation of Ni-Ti intermetallic coatings formed on Cp titanium by diffusion treatment

Cited by 8 publications

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Study of the Tribological Properties of Diffusion Coated NiTi Intermetallic on Cp Titanium

Study of the Tribological Properties of Diffusion Coated NiTi Intermetallic on Cp Titanium

Comparative Tribological Study of NiTi Diffusion Coated Titanium with Pure Titanium

Corrosion Behavior of Cu/Ni Coatings on Ti-6Al-4V Alloy after Diffused Treatment

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