设计与实现了一个局部腐蚀案例库。
镁合金的初期腐蚀具有局部腐蚀的特征。
The initial attack has the characteristics of localized corrosion.
对局部腐蚀失效事件做出失效模型和原因分析。
Failure model and cause analysis can be performed according to the part corrosion failure incidents.
局部腐蚀测试及评价一直是困扰腐蚀界的一大难题。
The testing and evaluation of the local corrosion caused by CO2 has been remaining a bottleneck in the field of corrosion science and engineering.
金属腐蚀按其形态可分为全面腐蚀和局部腐蚀两大类。
Metal corrosion can be classified as total corrosion and part corrosion according to its morphology.
金属油罐的腐蚀大多为局部腐蚀，其中点腐蚀最为明显。
The Metallic tank has mostly the local corrosion, the most obvious type is pitting corrosion.
建立了均匀腐蚀钢筋和局部腐蚀钢筋的可靠性分析方法。
The reliability analysis method of corroded steel evenly or locally was established.
添加铬虽然能降低其腐蚀率，但局部腐蚀敏感性显著增大。
The addition of chromium also decreases its corrosion rate, but the sensitivity to local corrosion is increased notably.
结果表明，采用丝束电极技术能较好地研究金属局部腐蚀的不均匀性。
The experimental results showed that the wire beam electrode could be used to study inhomogeneity of localized corrosion of metals.
指出混凝土毛细孔结构对氯离子渗透和钢筋局部腐蚀(坑蚀)的影响。
Also, the influences of the capillary structure to chloride ion permeability and reinforcement localized corrosion (namely pitting corrosion) are pointed out.
结果表明，碳钢在华南地区酸性土壤中的腐蚀严重，主要为局部腐蚀。
The results show that the corrosion of carbon steel in acidic soil of South China is serious, and the main corrosion type is local corrosion.
综述了局部腐蚀如应力腐蚀破裂及点腐蚀作用下设备寿命预测技术的进展。
Advances in life prediction technology for structures suffering localized corrosion such as pitting and stress corrosion cracking are surveyed and discussed.
为提高抑制局部腐蚀能力及综合性能，研制了GP - 1输气管道缓蚀剂。
Hence, GP-1 corrosion inhibitor is developed to control local corrosion and increase comprehensive performances.
在局部腐蚀领域内开展基础性和应用性研究，将有助于石油和天然气的腐蚀控制。
Conducting basic and applicable study in partial corrosion field will be helpful for corrosion control of oil and nature gas.
本发明产品能防止与海水或氯化钠溶液的接触过程中金属铜的全面腐蚀和局部腐蚀。
The corrosion inhibitor can prevent overall corrosion and local corrosion of the copper metal during contacting the seawater or the sodium chloride solution.
本文针对原油埋地传输线局部腐蚀穿孔的情况，进行了分析，并提出了相应的解决方法。
The analysis of corrosion failure of underground pipeline lor crude oil in part has been made. The counter-measures were described.
计算表明，当热流处于稳定状态时，局部腐蚀管道所能承受的内、外壁增温差为最小值。
Calculation showed that when the heat flow is in steady state, temperature-increasing difference in inner, outer pipe walls bearable for partial corrosive pipeline represents a minimum value.
但是在氢脆发生前注汽管线首先产生了不均匀的局部腐蚀，氢脆伴生于局部腐蚀产生的。
But before hydrogen corrosion occurred, steam-injecting pipes produced unevenly distributed partial corrosion, and hydrogen corrosion was associated with partial corrosion.
通过对炼油厂储罐腐蚀失效形式的调查分析，得出局部腐蚀是导致储罐失效的主要原因。
It was found from the analysis and study of the corrosion failures of refinery storage tanks that the pitting corrosion was the major cause of the failure.
介绍了酮苯装置立式氨用冷凝器的失效情况，确定了海水局部腐蚀是冷凝器失效的主要原因。
The corrosion failure of vertical ammonia-seawater condenser used in acetone-benzol plant was introduced. It is determined that the main failure reason is caused by seawater local corrosion.
结果表明：在所研究的参数范围内，材料表现出较高的均匀腐蚀速率，且伴有不同程度的局部腐蚀。
Results showed that the general corrosion rate of steel was higher accompanied with different extent local corrosion under research range of parameters.
但是晶粒尺寸增大后晶界处因局部腐蚀电流密度增大将会在局部造成更深的腐蚀坑槽并降低耐候性；
The total quantity of corrosion surface defect is decreased due to the decrease of grain boundary energy with the increase of grain size and the atmospheric corrosion resistance is increased.
分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀同裂缝扩展的组合效应下截面刚度与服役时间关系。
The paper studies the relation between the section rigidity and the service time of the RC bridge under the composite effect of the expansion of cracks and the whole or local corrosion.
通用的304l、316l等奥氏体不锈钢在含氯介质中的耐局部腐蚀性能较差，常见的破坏形态是点腐蚀。
The resistance to local corrosion by common austenitic stainless steel such as 304l and 316l in Cl-containing media is poor, and the frequently seen damage form is spot corrosion.
铝合金中通常含有一些时效析出相及杂质相等第二相粒子，这些第二相粒子对铝合金局部腐蚀行为产生重大影响。
Al alloys contain some secondary phases, such as aging precipitates and inclusions, which have great effect on the localized corrosion behavior of al alloys.
模拟溶液各离子含量成倍增加后，退化珠光体的阳极电流密度升高，电化学交流阻抗值降低，局部腐蚀效应增大。
As the ion contents of the soil simulation solution doubled, the anodic dissolution of degenerated pearlite increases, and the local impedance of the electrode decreases.
E6608气体冷却器失效形式属于典型的不锈钢局部腐蚀，既有冲刷腐蚀、晶间腐蚀、又有高温酸性环境下的过氧化腐蚀。
The corrosion type of E6608 gas cooler included eroding corrosion, intercrystalline corrosion and overoxidation corrosion in acidic high temperature environment.
本文运用系统仿真的原理结合可靠度理论分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀及裂缝扩展组合效应下使用寿命及其可靠性。
Service-lifetime and reliability is estimated considering two models of uniform corrosion with effect of cracks and local corrosion on the theoretic of system simulation and reliability.
铝制船舶上的腐蚀的通常形式是船体钢板、船舵、船底龙骨上的局部点状腐蚀，特别是在焊缝方面。
Corrosion on Aluminum vessels is also generally in the form of localized pitting to the hull plate, rudders, bilge keels and particularly in way of weld seams.
如果出现局部损伤并发生无法避免的扩散性变形，应当按照腐蚀和斑点类似的修理方法进行修理。
If the damage is local and widespread deformations are not evident, repair may be similar to that required for corrosion and pitting.
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