Surface characteristics and electrochemical corrosion behavior of NiTi coated with diamond-like carbon

J. H. Sui; W. Cai; L. H. Liu; L. C. Zhao

doi:10.1016/j.msea.2006.02.126

Surface characteristics and electrochemical corrosion behavior of NiTi coated with diamond-like carbon

J. H. Sui
, W. Cai^*
, L. H. Liu
, L. C. Zhao

^*Corresponding author for this work

Harbin Institute of Technology
Jiamusi University
Jiangsu Fasten Co. Ltd.

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Diamond-like carbon (DLC) films were produced on NiTi substrate by plasma immersion ion implantation and deposition (PIIID) at room temperature. Surface morphology and roughness were analyzed by atomic force microscopy. Film microstructure and hardness were characterized by Raman scattering spectroscopy and nano-indentation, respectively. The corrosion resistance in Hank's solution was evaluated by means of open-circuit potential (OCP) and potentiodynamic polarization techniques. It was found that, according to the corrosion potential (E_OCP), the coated sample is always more noble than the uncoated one. For the polarization curves, the shift of the breakdown potential to more positive values and the reduction of the current densities give evidence that the coating with DLC is a useful method for reducing the corrosion attack of the NiTi alloy in Hank's solution.

Original language	English
Pages (from-to)	639-642
Number of pages	4
Journal	Materials Science and Engineering: A
Volume	438-440
Issue number	SPEC. ISS.
DOIs	https://doi.org/10.1016/j.msea.2006.02.126
State	Published - 25 Nov 2006
Externally published	Yes

Keywords

Corrosion resistance
DLC coating
NiTi
PIIID

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10.1016/j.msea.2006.02.126

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title = "Surface characteristics and electrochemical corrosion behavior of NiTi coated with diamond-like carbon",

abstract = "Diamond-like carbon (DLC) films were produced on NiTi substrate by plasma immersion ion implantation and deposition (PIIID) at room temperature. Surface morphology and roughness were analyzed by atomic force microscopy. Film microstructure and hardness were characterized by Raman scattering spectroscopy and nano-indentation, respectively. The corrosion resistance in Hank's solution was evaluated by means of open-circuit potential (OCP) and potentiodynamic polarization techniques. It was found that, according to the corrosion potential (EOCP), the coated sample is always more noble than the uncoated one. For the polarization curves, the shift of the breakdown potential to more positive values and the reduction of the current densities give evidence that the coating with DLC is a useful method for reducing the corrosion attack of the NiTi alloy in Hank's solution.",

keywords = "Corrosion resistance, DLC coating, NiTi, PIIID",

author = "Sui, \{J. H.\} and W. Cai and Liu, \{L. H.\} and Zhao, \{L. C.\}",

year = "2006",

month = nov,

day = "25",

doi = "10.1016/j.msea.2006.02.126",

language = "英语",

volume = "438-440",

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journal = "Materials Science and Engineering: A",

issn = "0921-5093",

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TY - JOUR

T1 - Surface characteristics and electrochemical corrosion behavior of NiTi coated with diamond-like carbon

AU - Sui, J. H.

AU - Cai, W.

AU - Liu, L. H.

AU - Zhao, L. C.

PY - 2006/11/25

Y1 - 2006/11/25

N2 - Diamond-like carbon (DLC) films were produced on NiTi substrate by plasma immersion ion implantation and deposition (PIIID) at room temperature. Surface morphology and roughness were analyzed by atomic force microscopy. Film microstructure and hardness were characterized by Raman scattering spectroscopy and nano-indentation, respectively. The corrosion resistance in Hank's solution was evaluated by means of open-circuit potential (OCP) and potentiodynamic polarization techniques. It was found that, according to the corrosion potential (EOCP), the coated sample is always more noble than the uncoated one. For the polarization curves, the shift of the breakdown potential to more positive values and the reduction of the current densities give evidence that the coating with DLC is a useful method for reducing the corrosion attack of the NiTi alloy in Hank's solution.

AB - Diamond-like carbon (DLC) films were produced on NiTi substrate by plasma immersion ion implantation and deposition (PIIID) at room temperature. Surface morphology and roughness were analyzed by atomic force microscopy. Film microstructure and hardness were characterized by Raman scattering spectroscopy and nano-indentation, respectively. The corrosion resistance in Hank's solution was evaluated by means of open-circuit potential (OCP) and potentiodynamic polarization techniques. It was found that, according to the corrosion potential (EOCP), the coated sample is always more noble than the uncoated one. For the polarization curves, the shift of the breakdown potential to more positive values and the reduction of the current densities give evidence that the coating with DLC is a useful method for reducing the corrosion attack of the NiTi alloy in Hank's solution.

KW - Corrosion resistance

KW - DLC coating

KW - NiTi

KW - PIIID

UR - https://www.scopus.com/pages/publications/33750476330

U2 - 10.1016/j.msea.2006.02.126

DO - 10.1016/j.msea.2006.02.126

M3 - 文章

AN - SCOPUS:33750476330

SN - 0921-5093

VL - 438-440

SP - 639

EP - 642

JO - Materials Science and Engineering: A

JF - Materials Science and Engineering: A

IS - SPEC. ISS.

ER -

Surface characteristics and electrochemical corrosion behavior of NiTi coated with diamond-like carbon

Abstract

Keywords

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