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INFLUENCE OF CORROSION ENVIRONMENT ON SCC BEHAVIOR OF SUS 304 IN H_2SO_4 - NaCl AQUEOUS SOLUTIONS

机译:在H_2SO_4-NaCl水溶液中腐蚀环境对SUS 304 SCC行为的影响。

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摘要

SCC tests were carried out under the condition of varied concentrations of H_2SO_4 and NaCl in order to recognize the influence of the environment on the corrosion types. Both concentrations of H_2SO_4 and NaCl have the correlative influence on the corrosion types, and SCC occurred within the specific concentration region. SCC propagation rate showed the maximum when H2S04 was higher than 2.5 kmol/m~3 and NaCl was within the specific concentration region. In the anodic region from -0.353 V to -0.260 V the propagation rate increased with increasing potential and indicated the maximum value at -0.276
机译:为了识别环境对腐蚀类型的影响,在H_2SO_4和NaCl浓度变化的条件下进行了SCC测试。 H_2SO_4和NaCl的浓度均对腐蚀类型具有相关影响,并且SCC发生在特定浓度范围内。当H 2 SO 4高于2.5 kmol / m〜3且NaCl在特定浓度范围内时,SCC的传播速率最大。在-0.353 V至-0.260 V的阳极区域中,传播速率随着电势的增加而增加,并且在-0.276处显示最大值

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