Plasma source nitrogen ion implantation of Ti-6Al-4V

Qiu, X.; Conrad, J.R.; Dodd, R.A.; Worzala, F. J.

doi:10.1007/bf02672581

Cited by 34 publications

(8 citation statements)

References 9 publications

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“…In fact, this has been the subject of several investigations in clinical dentistry 4 . Among the surface treatment techniques, the most reported are: plasma assisted chemical vapor deposition 5 , conventional ion implantation [15][16][17][18][19] , plasma source nitrogen ion implantation 20 , conventional nitriding 21 , conventional plasma nitriding 22,23 , intensified plasma ion nitriding 24 , physical and chemical vapor deposition TiN films [25][26][27][28] , powder immersion reaction assisted coating method 29 , laser heating 30,31 as well as combined techniques 32,33 . Improvement on the mechanical and tribological properties of c.p.…”

Section: Introductionmentioning

confidence: 99%

Surface modification of titanium by plasma nitriding

et al. 2003

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A systematic investigation was undertaken on commercially pure titanium submitted to plasma nitriding. Thirteen different sets of operational parameters (nitriding time, sample temperature and plasma atmosphere) were used. Surface analyses were performed using X-ray diffraction, nuclear reaction and scanning electron microscopy. Wear tests were done with stainless steel Gracey scaler, sonic apparatus and pin-on-disc machine. The obtained results indicate that the tribological performance can be improved for samples treated with the following conditions: nitriding time of 3 h; plasma atmosphere consisting of 80%N 2 +20%H 2 or 20%N 2 +80%H 2 ; sample temperature during nitriding of 600 or 800 °C.

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Section: Introductionmentioning

confidence: 99%

Surface modification of titanium by plasma nitriding

et al. 2003

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“…to an average surface roughness less than 0.03 m. The the size of the TiN precipitates increases only slightly from microstructure of the alloy was globular (Figure 1 Zheng et al [12] Ti N 50 0.3 to 1.5 ␣-Ti -Ti 2 N 2 to 3 ␣-Ti ␦-TiN Krupa et al [13] Ti N 50 1,6 ␣-Ti ␦-TiN Hutchings [14] Ti6A14V N 90 3.5 ␣-Ti ␦-TiN Martinella et al [7] Ti6A14V N 100 5 ␣-Ti ␦-TiN Qiu et al [6,15] Ti6A14V N 50 0.9 to 6.6 ␣-Ti ␦-TiN 10 ␦-TiN* Vardiman [8,16] Ti6A14V N 75 2 ␣-Ti ␦-TiN Bolster et al [9] C 7 5 2 ␣-Ti ␦-TiC Vardiman and Kant [17] C 7 5 7 ␦-TiC* C 5 0 6 ␦-TiC* Wenzel et al [18] Ti C 30 6.5 ␣-Ti ␦-TiC Sugizaki et al [19,20] Ti incident projectile energies of E 0 ϭ 7.4 MeV and E 0 ϭ 7.6 MeV were employed for N-implanted and C-, Pt-, and Auimplanted specimens, respectively. Depth distributions of oxygen and of implanted atoms were calculated with the RUMP program [25] using literature data of elastic scattering cross sections.…”

Section: Experimental the Concentration Of Implanted Atoms Can Exmentioning

confidence: 97%

“…[5][6][7][8][9][10] The compounds in During nickel or palladium implantation at low ion energies ion-implanted titanium have been identified by various (E Յ 50 keV, Table I), intermetallic phases (Ti 2 Ni [19,20] and authors. [6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] A systematic screening of investigations using Ti 2 Pd or TiPd 2 [21] ) are formed. No information is available transmission electron microscopy (TEM) ( Table I) indicates from the literature concerning the phases formed during the influence of different implantation parameters on the implantation of noble metals at higher energies.…”

mentioning

confidence: 99%

Influence of annealing on depth distributions and microstructure of ion-implanted Ti6Al4V

Schmidt

Miehe

Schminke

et al. 1999

Metall Mater Trans A

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Ti6Al4V alloy was ion implanted with carbon, nitrogen, platinum, or gold. The effect of heat treatment at 500 ЊC on the depth distributions of oxygen and implanted atoms was investigated using backscattering spectrometry. The phases in the near-surface region were determined using transmission electron microscopy (TEM) and X-ray diffraction (XRD). Platinum and gold are enriched in both ␣-and ␤-titanium solid solutions. Implanted carbon forms titanium carbide at lower concentration than nitrogen forms titanium nitride. The depth profiles of Au, Pt, and N are not altered by annealing. Implanted carbon as well as oxygen diffuse to larger depth upon heat treatment. Noble metal-implanted layers are permeable to oxygen diffusion. At concentrations exceeding 35 at. pct, implanted carbon and nitrogen act as a diffusion barrier for oxygen.

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“…Until recently, a pulsed D.C. plasma-duplex process [24] and an intensified glow discharge for industrial plasma nitriding process [25] were achieved.…”

Section: Tin Coatingsmentioning

confidence: 99%

Approaches of Wear Resistance Improvement of Ti-6Al-4V by Surface Modification

Hu¹,

Hu²

2015

Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering

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Abstract-To overcome the the drawbacks of poor wear resisitance of titanium and its alloys, so far many efforts have been made to improve wear resistance and some techniques have been developed. Theses techniques can be classified into two categories: surface coating and surface cladding. Surface coatings generally include BN film, diamond-like carbon films and TiN films. These surface thin layers very significantly enhance the tribological properties although the some disadvantages still exist such as the small thickness, unstable composition, and poor adherence to substrate. The most applicable achievement is surface cladding. Surface cladding overcomes the drawbacks of surface coating. Not only the thickness of the surface composite layers can be controlled but the composition of the layer can be flexiblely choiced as well. Compositions of clad layer are diversified. The bonding strength between the surface clad layer and the substrate is very high. Among those, the laser beam cladding is a cutting edge and a promising method.

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Plasma source nitrogen ion implantation of Ti-6Al-4V

Cited by 34 publications

References 9 publications

Surface modification of titanium by plasma nitriding

Surface modification of titanium by plasma nitriding

Influence of annealing on depth distributions and microstructure of ion-implanted Ti6Al4V

Approaches of Wear Resistance Improvement of Ti-6Al-4V by Surface Modification

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