弱腐蚀

对湖滩内生产设施的腐蚀情况进行了调查：湖滩大气对A3钢的腐蚀性为Ⅲ级轻腐蚀，土壤腐蚀性为Ⅰ级弱腐蚀。

The corrosion of production facilities in the lake shoals was surveyed . The corrosion of A3 steel in atmosphere was grade ⅲ i.e. , slight corrosion , and in soil was grade ⅰ i.e. , weak corrosion .

水、、机溶剂及其它弱腐蚀性溶液。

Water , oil , organic solvent and weak corrosive fluid .

电镀前弱腐蚀对镀层耐蚀性的影响

Effect of Weak Corrosion on Coating Corrosion Resistance before Plating

考察了镀后热处理温度、基体材料、电镀前处理弱腐蚀时间对氢脆的影响。

The effects of heat treatment temperature and material and pre-dispose are investigated .

化工、石油化生产中的弱腐蚀性物料，如：水、氨、油品、烃类等。

Weak corrosively medium for petrochemical production such as waterammoniaoil hydrocarbon products and etc.

适用介质：水，油，气，酸碱盐等弱腐蚀性介质。

Applicable Mediums : Water , Oil , Gas and Weak Corrosive Mediums like Acid , Alkali and Salt .

性状：蓝色粉末。溶于水，不溶于醇和油脂。水、、机溶剂及其它弱腐蚀性溶液。

Properties : Blue powder . Dissolvable in water . Undissolvable in alcohol and lipin . Water , oil , organic solvent and weak corrosive fluid .

结果表明，弱腐蚀溶液浓度、电流密度和通电时间对镀层耐腐蚀性能均有影响，采用适当的弱腐蚀工艺可提高硬铬层的耐腐蚀性能。

It is shown by test results that the concentration of weak corrosion solut ion , current density and conduction time have the effects to coating corrosion resistance , using a proper weak corrosion technology can improve the corrosion resistance of hard chromium coating .

《工业建筑防腐蚀设计规范》规定了砼结构中受力钢筋的最小保护层厚度，认为对接触弱腐蚀性介质的钢筋砼结构，随着钢筋保护层的减小，结构耐久性能也随之降低。

The minimum cover thickness of steel bars for concrete structure is stipulated in the Code for anticorrosion design of industrial constructions , and it is thought that because of rein-forced concrete structure exposure to weak erosive medium , the structural durability will decrease with the reduction of reinforcement cover .

腐蚀性实验表明，本清洗剂对精馏塔不锈钢填料具有很弱的腐蚀性，低于国际腐蚀标准（10g/m~2·hr）。

The erosive test shows that this cleaning agent has low erosion for the stainless steel packing of the rectifying tower . The erosion is lower than international erosion standard ( 10g / m ~ 2 · hr ) .

弱极化法腐蚀速度测试仪的研制

Study on Instrument for Measuring Corrodent Rate of Metal by Way of Weak Polarization