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pitting pit corrosion 点腐蚀
The results indicated that the dejects was caused by pitting corrosion of impurity element iron in silver coin by environmental chloride compound. 结果表明，在银币缺陷部位的腐蚀坑内存在以铁元素为主的物质，基材中的铁元素与外界的氯引起银币的腐蚀，造成了表面缺陷。
However, the corrosion specifically pitting corrosion prevails in the copper tubes. 通常这些热交换器都以铜管为冷却水通路。
The cause of pitting appeared during hard chromium plating is pitting corrosion occurred on matrix local surface. 镀硬铬时出现麻点主要与基体表面局部产生点蚀有关。
The Metallic tank has mostly the local corrosion,The most obvious type is pitting corrosion. 金属油罐的腐蚀大多为局部腐蚀,其中点腐蚀最为明显。
It was shown that Na2CO3 inhibited the pitting corrosion of aluminum alloy to some extent. 实验结果表明，碳酸钠对铝合金具有较好的缓蚀作用，在一定程度上抑制了铝合金的点蚀。
Bronze is very resistant to pitting corrosion, with general resistance to most chemicals less than that of pure copper. 青铜具有含好的耐点状腐蚀的性能，对于大多数化学物质，青铜的耐腐蚀性并不比纯铜差多少。
Pitting corrosion of steam turbine blading steels: the influence of chromium content, temperature, and chloride lon concentration. 铬含量、温度和氯化物浓度对蒸汽轮机叶片钢点蚀的影响。
The coating corrosion was pitting corrosion in HCl solution and crevice corrosion in H_2SO_4,H_3PO4 and FeCl_3 solutions. 镀层在HCl溶液中的腐蚀属于点蚀,在H2SO4、H3PO4和FeCl3溶液中的腐蚀属于缝隙腐蚀。
Na2MoO4 and Na3VO4 could prevent the pitting corrosion in solution containing Cl-and CO2, and they had a synergistic inhibition effect. Na2MoO4、Na3VO4等对430不锈钢在含Cl－及CO2体系中的孔蚀有抑制作用，且Na2MoO4和Na3VO4有一定的协同效应。
Abstract:Severe pitting corrosion took place on the external surface of the low temperature reheater of a 300 MW unit boiler in a power plant. 某发电厂300MW机组锅炉，每次大小修检查都发现低温再热器外壁存在点腐蚀现象。
In domestic systems copper should only be used downstream of galvanized piping.This will avoid the possibility of pitting corrosion. 在民用水系统中铜材料只能用于热镀锌钢材料的下游，这样可以避免孔蚀。
Cu2O enriched on the surface of stainless steel with adding Cu element so that improves general corrosion resistance and pitting corrosion resistance. 添加铜元素的锈层中，铜以Cu2O形式富集在不锈钢的表面提高了不锈钢的自腐蚀电位和点蚀电位。
SRB grows and propagates, and forms the biofilms on carbon steel in biofilms, and accelerates the formation of the pitting corrosion. SRB生长代谢过程中,在碳钢表面形成腐蚀生物膜,改变了生物膜下碳钢表面的微环境,促使碳钢表面形成点腐蚀,进而在其表面出现大而不均匀的溃斑。
The electrochemical characteristics of pitting corrosion of X70 pipeline steel in phosphate buffer solution were studied in this paper. 研究了X70钢在磷酸盐缓冲溶液中的亚稳态与稳态孔蚀的电化学行为特征。
The surface roughness, pitting corrosion, burn and hydrogen uptake of ECM machined Ti-alloy blades are analyzed and the measures of improving surface integrity are introduced. 本文就钛合金叶片电解加工后的表面粗糙度、点蚀、烧伤及吸氢等问题进行了分析并提出了改善钛合金电解加工表面完整性的措施。
The submerged coupon simulation tests also confirm that sulfate reduction bacteria can also cause magnesium alloy corrosion, which features pitting corrosion. 采用浸泡挂片模拟实验进行研究,发现硫酸盐还原菌可以引起镁合金腐蚀,且腐蚀特点为点蚀。
Based on them, a component subjected to pitting corrosion was investigated to illustrate the process of selecting the optimal inspection and repair strategy. 在此基础上，以受点腐蚀损伤的船体构件为例，分析了基于风险的最优检测及维修策略的制定过程。
The results show the method can effectively enhance uniform and pitting corrosion resistance of magnesium alloy surface, improve stability under moist atmosphere corrosion. 结果表明,该方法可以有效地改善镁合金表面耐全面腐蚀、点蚀的性能,提高镁合金表面在温热潮湿环境下的稳定性。
However,the passive film on Fe-20Cr NC was a n-type semiconductor which had a higher transpassivation potential and therefore higher resistance to pitting corrosion. 而纳米晶涂层在两种溶液体系中形成的钝化膜均为n型半导体。