Batch treatment of industrial components using plasma immersion ion implantation and deposition

Wang, L.P.; Wang, Y.H.; Yu, Yonghao; Liu, H.X.; Wang, X.F.; Tang, Baoyin

doi:10.1016/j.surfcoat.2006.09.094

Cited by 4 publications

(2 citation statements)

References 11 publications

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“…So PIII could deal with handling workpieces with complex shape such as inner and outer rings of bearings. However, PIII still has some physical and technical problems such as the limited achievement of single ion implantation, the thin modified layer that hindered the development of its industrial applications [6][7] .…”

Section: Introductionmentioning

confidence: 99%

Study on Vacuum Tribological Behavior of 9Cr18Mo Bearing Steel by PIII Combined with MS Surface Hybrid Modification Processes

Zhao¹,

Tang

Feng³

et al. 2018

MSF

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Hybrid modification processes are used to improve the working surface of 9Cr18Mo bearing steel by plasma immersion ion implantation (PIII) combined with magnetron sputtering (MS). The untreated and treated samples were evaluated by the microhardness and vacuum fiction coefficient tests. Wear morphology of surfaces were also evaluated. It has been found that the microhardness of treated samples increased substantially, and the maximum microhardness was increased 31.9%, the adhesion force at the interface of the film and substrate was improved from 79mN to 107mN, the vacuum friction coefficient was decreased from 0.43 to 0.15, the wear scar diameter was reduced 28.6%. By the comparison of the comprehensive properties of different surface modification processes, hybrid process is better than single process.

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Section: Introductionmentioning

confidence: 99%

Study on Vacuum Tribological Behavior of 9Cr18Mo Bearing Steel by PIII Combined with MS Surface Hybrid Modification Processes

Zhao¹,

Tang

Feng³

et al. 2018

MSF

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“…In addition, since PIIID is a relatively low temperature process (below 200°C), it can effectively avoid the dimensional changes of metal implants resulting from high temperature processes and also minimize the degradation of the shape memory effect that occurs from the plasma immersion ion implantation (PIII) process 13. Moreover, because of its suitability for treating objects of complex geometry as well as the control of coating composition, the PIIID technique has been successfully used in the aerospace industry and small batch treatment of industrial components was achieved 14. Therefore, PIIID is an attractive candidate technique for the surface modification of NiTi SMA implants in the medical field.…”

Section: Introductionmentioning

confidence: 99%

(Ti, O)/Ti and (Ti, O, N)/Ti composite coatings fabricated via PIIID for the medical application of NiTi shape memory alloy

Sun

Wang

2010

J Biomed Mater Res

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In this investigation, the plasma immersion ion implantation and deposition (PIIID) technique was used to fabricate (Ti, O)/Ti or (Ti, O, N)/Ti coatings on a NiTi shape memory alloy (SMA, 50.8 at.% Ni) to improve its corrosion, wear resistance, and bioactivity. After coating fabrication, the structure and properties of composite coatings were studied, and the coated and uncoated NiTi SMA samples were compared with each other. Scanning electron microscopic (SEM) examination of coating surfaces and cross-sections showed that (Ti, O)/Ti and (Ti, O, N)/Ti composite coatings were dense and uniform, having thickness values of 1.16 ± 0.08 μm and 0.95 ± 0.06 μm, respectively. X-ray diffraction (XRD) results revealed that there were no diffraction peaks corresponding to TiO(2) or TiN for (Ti, O)/Ti and (Ti, O, N)/Ti composite coatings, suggesting that after the PIIID treatment, TiO(2) and TiN were amorphous or nanosized in the coatings. Energy dispersive X-ray (EDX) analysis indicated that the interface between the coating and NiTi SMA substrate was gradual rather than sharp. In addition, EDX elemental mapping of coating cross-sections showed that Ni was depleted from the surface. Differential scanning calorimetry (DSC) curves revealed that the shape memory ability of NiTi SMA was not degraded by the PIIID treatment. The width of wear tracks on (Ti, O, N)/Ti coated NiTi SMA samples was reduced 6.5-fold, in comparison with that on uncoated samples. The corrosion potential (E(corr) ) was improved from -466.20 ± 37.82 mV for uncoated samples to 125.50 ± 21.49 mV and -185.40 ± 37.05 mV for (Ti, O)/Ti coated and (Ti, O, N)/Ti coated samples, respectively. Both types of coatings facilitated bone-like apatite formation on the surface of NiTi SMA in simulated body fluid (SBF), indicating their in vitro bioactivity.

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PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications

Sun

Wang

et al. 2012

Materials Science and Engineering: C

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Batch treatment of industrial components using plasma immersion ion implantation and deposition

Cited by 4 publications

References 11 publications

Study on Vacuum Tribological Behavior of 9Cr18Mo Bearing Steel by PIII Combined with MS Surface Hybrid Modification Processes

Study on Vacuum Tribological Behavior of 9Cr18Mo Bearing Steel by PIII Combined with MS Surface Hybrid Modification Processes

(Ti, O)/Ti and (Ti, O, N)/Ti composite coatings fabricated via PIIID for the medical application of NiTi shape memory alloy

PIIID-formed (Ti, O)/Ti, (Ti, N)/Ti and (Ti, O, N)/Ti coatings on NiTi shape memory alloy for medical applications

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