恒流脉冲技术检测混凝土中钢筋的腐蚀.pdf

30 3 Vol.30 No.3 2010 6 Journal of Chinese Society for Corrosion and Protection Jun. 2010 ( ℄ 200092) : Cl− ℄Æ ℄Æ ℄ÆÆ℄ : ℄ : TU201 : A : 1005–4537201003–0181–06 1  Rp  Icorr Æ   [1∼8]   [9,10]  2  ℄ [11,12] /  [13∼15] 80 Randles 1  ∆I 1 [22] galvanostatic pulse, GP Glass [16] η = ∆IR + ∆IR [1 − exp(−t/ CR )] (1) t Ω p p   ηt ∆IRΩ R C p Mietz [17] Rp C τ [18,19] [20] Birbilis Newton Sykes[21] Fig.1 Equivalent randles circuit to interpret the : 2008-11-17