金属电化学腐蚀
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薄层液膜下金属电化学腐蚀电池的设计
Design of electrochemical corrosion cell for metal under thin layer electrolytes
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声发射技术在金属电化学腐蚀与应力腐蚀研究中的应用
Application of acoustic emission technique in study of electrochemical corrosion and stress corrosion cracking processes of metals
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本文在前三章中主要介绍了腐蚀的基本知识和基础理论,如金属电化学腐蚀的热力学原理和动力学原理。
Chapters in this paper is mainly about the corrosion of the basic knowledge and basic theory , metal electrochemical corrosion of thermodynamic principles and dynamics .
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研究表明合金钢表面镀氮化碳薄膜之后,能显著降低阳极金属电化学腐蚀电流,使金属表面明显钝化。
The results indicate : after plating carbon nitride thin film on the surface of metal , anode electrochemical current is significantly reduced and the surface of metal become dull with good etching proof .
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电极电位测量是研究金属电化学腐蚀最简单实用的方法之一,已在高参数锅炉水化学研究中获得了有效的应用。
The measurement of electrode potentials of metals is one of the most simple and practical methods in researching electrochemical corrosion of metals , the effective application of which in the investigation of circle water chemistry of utility have been acquired for recent years .
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介质性质对金属材料电化学腐蚀的影响
Influences of medium property on the electrochemical corrosion of metal materials
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奥氏体不锈钢焊缝金属的电化学腐蚀性能
Electrochemical corrosion properties for weld metal of austenitic stainless steel
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论述了金属的电化学腐蚀和外加电流阴极保护原理。
Electrochemical corrosion of metal and principle of the applied current cathodic protection are expounded .
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地铁走行轨杂散电流的存在,会对埋在地下的金属产生电化学腐蚀作用。
The existent stray current around the running rail of metro will make electrochemistry corrosion to underground metal .
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薄液层下金属的电化学腐蚀是大气腐蚀的重要特征之一。
Electrochemical corrosion of the metal under thin electrolyte layer is one of the most important features of atmospheric corrosion .
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尘土颗粒腐蚀金属是电化学腐蚀过程,可溶性盐的含量是内因,环境条件是外因。
Dust corrosion is electrochemical reactive process , in which dissoluble salts are the internal cause , and environmental condition is the extrinsic factor .
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鉴于金属的电化学腐蚀是阳极(活泼金属)被腐蚀,可以借助于外加阳极(更活泼的金属或直流电源)将井下的管道、道轨作为阴极保护起来。
Because the metal electrochemistry eroding is originated from the anode of metal , the metal material pipes and tracks can be protected as the cathode by adding anode .
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本文提出用电场理论和电化学相结合的方法来研究交流腐蚀,从而产生了一个新概念&电场腐蚀论。受变化极快、强度甚大的交流干扰电场作用,金属的电化学腐蚀过程将发生变化。
In this paper , a new way to investigate the AC corrosion on the basis of the theory of electric fields in combination with that of the electrochemistry is proposed .
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钢轨轨道要做到对地的完全绝缘,是相当的难度的,因而,电流会通过钢轨泄漏出去,形成杂散电流,对地铁沿线附近的埋地金属具有电化学腐蚀。
Rail track being fully insulated away the ground , is quite difficult . Thus , the current leaks from the rail and forms stray current , which causes corrosion to the buried metal damage along the MTR lines .
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大气中SO2对金属银的电化学腐蚀行为
Electrochemical Behavior of SO_2 Corrosion of Silver Electrode in Air Environment
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介绍了介质性质(成分、浓度和温度)对金属材料的电化学腐蚀的影响,并提出防护措施以提高材料的抗腐蚀能力。
The influences of medium property ( composition , concentration and temperature ) on the electrochemical corrosion of metal material are introduced . Thus protective measures are put forward to improve the performance of corrosion resistance of metal materials .
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杂散电流会对地铁周围埋地金属结构进行电化学腐蚀,缩短金属管线的使用寿命,降低建筑设施的强度,严重时会威胁到人员的安全。
Stray current can cause electrochemical corrosion of the metal buried around the metro , shorten the service life of the metal pipes , reduce the intensity of the building facilities and even worse threaten the safety of the personnel .
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金属材料自然环境电化学腐蚀检测仪器的研制及应用
Development and Application of Electrochemical Detecting Instrument on Metallic Material Corrosion in Environment
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通过预氧化处理和调控电解温度,可实现金属相的先氧化后溶解腐蚀,避免金属相的快速电化学腐蚀。
Oxidation of the metal phase before dissolution could be realized by pre-oxidation thermal treatment and controlling the electrolysis temperature , to avoid the fast electrochemical corrosion of the metal phase .