CORROSION BEHAVIOR OF Te-Ni-Cr ALLOY IN 3.5% NaCl SOLUTION

J Chin Soc Corr Pro

2011, Vol. 31

Issue (6): 462-466 DOI:

Research Articles

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CORROSION BEHAVIOR OF Te-Ni-Cr ALLOY IN 3.5% NaCl SOLUTION

SU Yixiang, BAO Yandong, LIAO Naifei, HOU Fenggang, DAI Yingqiu

State Key Laboratory of Gansu Advanced Nonferrous Matel Materials, Lanzhou University of Technology,Lanzhou 730050

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Abstract A new Te-Ni-Cr alloys were prepared by powder metallurgy technology and the corrosion resistance of Te-Ni-Cr alloys were studied by OM, SEM, EDS and XRD in the 3.5% sodium chlorine solution. The results show that the microstructure of the alloys are changed by Te. There are bone-like dark gray structure on the surface of the alloy, playing protective role. Ni₂O₃ and iron oxide were determined by the analysis of XRD. The calculated corrosion rate shows that Te-Ni-Cr alloy increases the corrosion resistance than tellurium-free alloy.

Key words: Te-Ni-Cr alloy NaCl solution corrosion resistance

Received: 30 August 2010

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SU Yixiang, BAO Yandong, LIAO Naifei, HOU Fenggang, DAI Yingqiu. CORROSION BEHAVIOR OF Te-Ni-Cr ALLOY IN 3.5% NaCl SOLUTION. J Chin Soc Corr Pro, 2011, 31(6): 462-466.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2011/V31/I6/462

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