Corrosion behaviors of sputter-deposited steel thin film for electrical resistance sensor material

Kim, Young Geun; Li, SeonYeob; Jung, Sung-Won; Lee, Seong Min; Kim, Jiyoung; Kho, Young Tai

doi:10.1016/j.surfcoat.2006.02.045

Cited by 6 publications

(1 citation statement)

References 25 publications

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“…Statistics shows that the corrosion of stray current in the rail is most distinct in the tunnels and turnouts. In some places the track has to be replaced every 2 to 3 years [6]. Pipes underground along the metro mainly include tap water pipes, petroleum pipes, gas pipes and various cables.…”

Section: Introductionmentioning

confidence: 99%

Distribution of the Stray Current of Rebar in the Ballast Bed

Dong

Pei

et al. 2012

AMM

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Corresponding prevention strategies can be put forward by learning the stray current distribution in the metro rebar. In the paper, the stray current intensity of the rebar in the ballast of the power supply area and the 24-hour polarization potential of the rebar in the ballast are obtained through the test of vertical resistance, track-current drainage net resistance and track-earth resistance, and the polarization potential test in the tunnel ballast of metro system in service. The daily leak of the stray current of the rebar in the ballast is also obtained based on the relationship between the polarization potential and current intensity. The test result shows that the vertical resistance of the track has quite good consistency while the track-current drainage net resistance and track-earth resistance have relatively great discreteness. The polarization potential peak of the rebar in the ballast is over 500mV and the 24-hour equivalent and average current intensity of the rebar in the ballast can rise up to 0.26~0.43A/dm2.

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Section: Introductionmentioning

confidence: 99%