中性盐雾试验

完整的涂层经480h的中性盐雾试验后，不起雾，不生锈，表现出较好的耐蚀性，达到国家标准中的三级水平。

The complete coating is not liable to mist and rust , and shows good corrosion resistance after 480 h of NSS test . It is up to the third level of state standard .

并对彩色钝化膜进行了Tafel曲线测试、阻抗测试、腐蚀电流试验和中性盐雾试验。

The iridescent passivation film is also tested by Tafel curve test , impedance measurement and corrosion current test and neutral salt spray test .

用XRD分析了氧化膜层的相结构；并采用NaCl溶液浸泡试验和中性盐雾试验，考察了氧化膜的耐蚀性能。

The phase structure was analyzed by X-ray diffraction ( XRD ), and the corrosion resisting property was also measured by soak test in NaCl solution and neutral salt spray test .

结果表明：采用该工艺能得到白色封闭膜，中性盐雾试验48h后不出现白锈。

The results show that white sealing film can be obtained , and no white rust observed after 48 hours neutral salt spray test .

钢铁件在锌酸盐或酸性镀锌15μm后，采用此工艺钝化，得到的钝化膜抗白锈试验24h，中性盐雾试验72h达到5级（符合国家标准），钝化液排放达到环保要求。

Results showed that the passivation film reached ( GB ) grade 5 after 24 hours white rust resistance test and 72 hours neutral salt spraying test .

48h的中性盐雾试验结果显示热浸镀铝低碳钢管的耐蚀性远优于镀锌钢管。

The result of a neutral salt spray test for 48 hours indicate that aluminum coated carbon steel tubes are more corrosion resistant than zinc coated low carbon steel tubes .

采用中性盐雾试验对镀层耐蚀性测试，将纯Zn镀层和ZnNi合金镀层进行对比，并用电子天平称量试样重量变化。

The anticorrosion performance was studied by normal salt spray ( NSS ) . The test results for hot dip Zn coating were compared with those for Zn Ni alloy coating . The changes of weight were measured by electronic precision balance .

该镀层体系的试样已通过120h的中性盐雾试验。

The sample coasted with the dull nickel-copper-bright nickel multiple layers was undergone the neutral salt spray test for 120 hours .

200h中性盐雾试验相当于煤矿水质一年的腐蚀量。

Corrosion The corrosive degree of specimen in neutral salt spray test for 200h was the same as one in coal mine water for a year .

测试结果表明，镀层48h中性盐雾试验、155℃8h恒温试验和270℃15s高温试验，外观无明显变化；

The test results show that after 48 h neutral salt spray test , 8 h constant temperature test at 155 ℃ and 15 s high temperature test at 270 ℃, the deposit has no obvious changes ;

涂层显微维氏硬度HV（0.5N）∶680~850，动摩擦因数小于0.15，具有干膜润滑性能，耐5%中性盐雾试验500h，综合性能优异。

The hardness of the coating reaches 680 ~ 850HV0.5N , the dynamic coefficient of friction of the coating is less than 0.15 , and having the permanent dry lubrication . It can endure 5 % neutral salt spraying test for 500 hours . The synthesis performances are excellent .

中性盐雾试验中漆膜划痕处起泡探析

Discussions and Analysis on Bubbling Around Crosscut of Film in Neutral Salt Spray Test

介绍了有机涂层中性盐雾试验的相关标准及其评价方法。

The standards and the comment process of neutral salt-fog test for organic coatings are introduced .

探讨了彩涂板中性盐雾试验条件、试验注意事项、试验结果的评判，简要分析了影响试验结果的因素。

Test conditions , precautions in the test , evaluation of test results and factors affecting test results are analyzed in the article .

25个周期的中性盐雾试验结果表明，镍基纳米复合镀层比基体和普通镍基镀层具有更好的耐腐蚀性。

25 period neutral salt spray corrosion test shows that the corrosion resistance of nanocomposite coatings is superior to that of the fast nickel coatings .

对化学助镀和电解助镀两种镀层样品做了显微组织比较、化学成分分析和中性盐雾试验。

The microstructure comparison , chemical composition analysis and neutral salt spray tests for two platings that are chemical plating and electroplating aiding were done .

通过中性盐雾试验，比较了不同钝化工艺对不同镍含量的锌镍合金镀层耐蚀性的影响。

Influence of different white chromating processes on corrosion resistance of zinc-nickel alloy deposits with different nickel contents were studied by meams of NSS test .

并通过了96小时中性盐雾试验进行验证，发现其耐腐蚀能力和极化曲线测试结果是一致的。

It was found that the corrosion resistance ability could be consistent with the polarization curve test through 96 hours the neutral salt spray test .

通过中性盐雾试验、极化曲线、交流阻抗和腐蚀浸泡等试验方法研究了镀层的耐腐蚀性能。

The corrosion resistance of the plating was investigated by neutral salt spray ( NSS ) test , potentiodynamic polarization curve , AC impedance technique , and immersion corrosion test .

采用中性盐雾试验测定了镀层的耐蚀性，采用内孔法测定了镀液的覆盖能力，并测定了镀层的硬度。

The corrosion resistance of deposits and covering power of the plating bath were tested respectively by neutral salt spray test and inner-pole method , and the hardness of deposits was also measured .

通过对中性盐雾试验中漆膜划痕处起泡现象的研究，分析了起泡产生的原因，提出了相应的解决方案。

Based on the study of the bubbling phenomena around the crosscut of coatings film in neutral salt spray test , this article has analyzed the cause of bubbling and proposes effective solutions .

涂层的耐蚀性采用中性盐雾试验和5%盐水浸润试验，并测试涂层的阳极极化曲线综合进行比较。

The corrosion resistance of the coating was measured by neutral mist of salt experiment and soaking in 5 % NaCl solution . Moreover , the curves of positive polarization were given to test the property comprehensively .

本文比较了不同含锌量的锡锌合金镀层、锌镀层和镉镀层在5%氯化钠溶液中的电位、中性盐雾试验以及二氧化硫加速腐蚀试验结果。

Corrosion potential of tin-zinc alloy deposits with different zinc content was compared to that of zinc and cadmium deposits . Corrosion resistance of tin-zinc and zinc deposits were examined by neutral salt spray test and accelerated corrosion test in sulphur dioxide atmosphere .

对于结构钢，盐雾试验和周期浸润试验结果有较好的一致性，周期浸润试验加速程度大于中性盐雾试验，前者适用于半工业海洋气候，后者适用于海洋大气环境。

For Structural steel , Neutral Salt Spray Test has better consistency with Alternate Immersion Test , and Alternate Immersion Test has a heaver acceleration effect than Neutral Salt Spray , the former is applied to semi-industrial marine climate , the latter is applied to marine atmospheric environment .

用中性盐雾腐蚀试验来评价复合材料的耐蚀性，并用XRD检测了腐蚀产物。

Finally , the corrosion resistance of samples is evaluated by neuter salt-spray tests and corrosion products are confirmed by XRD .

对电弧喷涂Al涂层进行了抗滑移系数衰减试验、孔隙率和阳极极化曲线的测定、中性盐雾加速试验。

Attenuation test of anti sliding coefficient , the porosity and the potentiostatic anodic polarization curves , and the salt mist of arc sprayed coatings have been tested .

以45钢、A3钢、炮钢、20钢为金属试样，研究它们在中性盐雾加速试验及石家庄大气环境暴露试验中腐蚀失重与时间的变化规律。

The correlativity between neutral salt spray accelerated test and atmospheric corrosion test in Shijiazhuang was studied by the mass loss determination of 45 steel , A3 steel , 20 steel and gun steel .

采用中性盐雾腐蚀试验法研究厚度对高强度铸造铝合金ZL205微弧氧化陶瓷膜的耐腐蚀性能的影响。

The influence of thickness of micro-arc oxidation ( MAO ) coatings on the corrosion resistance of high strength casting aluminum alloy ZL205 was investigated by using salt spray test .