A selenious acid type solution of better performance was obtained by the test of polarization curve, the test of corrosion resistance and the test of duration life.

 
  • 研究改進(jìn)了現行的鋼鐵件常溫黑化工藝 ,通過(guò)極化曲線(xiàn)測試、耐蝕性測試、壽命測試得到了性能良好的常溫亞硒酸體系黑化液。
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