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- Severe galvanic corrosion will occur if potential difference in local area... 希望本文的讨论为油田开发的相关设计和决策提供一定的参考依据。
- The galvanic corrosion for QAl 9-2/ QAl 9-2 pair is the smallest,but its friction compatibility is the worst. QAl 9-2与QAl 9-2相配时的电偶腐蚀最小 ,但其摩擦相溶性最差 ;
- Galvanic corrosion occurs when dissimilar metals are in electrical contact in the same electrolyte. 当不同的金属是在相同的电解物的电连络中的时候,流电的腐蚀发生。
- Measures to prevent galvanic corrosion of dissimilar metal include painting and plating. 避免相异金属的电镀锈蚀腐蚀的方法包含涂漆和电镀。
- The present paper is mainly discusses stray current corrosion, crevice corrosion, galvanic corrosion and stress corrosion. 这些腐蚀现象在油气田开发过程普遍存在。
- The galvanic corrosion of TA15 titanium alloy coupled with aluminum alloys and structural steels was studied by means of current density of couples. 通过测定TA15钛合金与铝合金和结构钢组成的电偶对的电偶电流的方法,研究了TA15钛合金在使用中与铝合金和结构钢接触时产生电偶腐蚀的敏感性。
- The results indicated that it was easy to produce the serious galvanic corrosion between TC21 titanium alloy and aluminum alloys and steels. 结果表明:TC21钛合金与铝合金和钢形成的电偶对极易发生电偶腐蚀,不能直接接触使用;
- It was put forward that research on galvanic corrosion and corrosion fatigue of magnesium are the next step of corrosion study. 同时,对大量的国内外有关资料进行研究,认为电偶腐蚀和腐蚀疲劳的特点及机理的研究将成为进一步研究镁合金腐蚀的重点。
- Therefore they have disinguishing features of strong weld intensity,good nature in electrification,resistant galvanic corrosion and long service life. 产品采用摩擦焊工艺制造,具有焊缝强度高,通电性能好,抗电化腐蚀,使用寿命长等特点。
- The samples were characterized by galvanic corrosion, which resulted in corrosion grooves between aluminium and titanium. 复合材料的腐蚀形态主要为电偶腐蚀,在铝-钛之间形成腐蚀沟槽。
- Therefore they have disinguishing features of strong weld intensity,good nature electrification,resistant galvanic corrosion and long service life. 产品采用摩擦焊工艺制造,具有焊缝强度高,通电性能好,抗电化腐蚀,使用寿命长等特点。
- When the stainless steel became passivated, the potential of the couple shifted towards positive and then resumed normal galvanic corrosion condition. 随着不锈钢表面的钝化,电位朝正方向移动,然后回复到通常的电偶腐蚀行为。
- The galvanic corrosion behavior of cast aluminum-cast iron were studied by means of weight loss,galvanic corrosion and measurement of released gas. 研究了中性冷却水介质中,铸铝-铸铁偶接状态下各自的腐蚀特点。
- The susceptibity to galvanic corrosion of TC21 titanium alloy and aluminum alloys and steels were studied by measuring current density of couples. 摘要通过测定TC21钛合金与铝合金和钢电偶电流的方法,研究了TC21钛合金与铝合金和钢在使用接触时发生电偶腐蚀的敏感性。
- QAl 10 4 4 has the most positive corrosion potential among the bronze alloys which will result in a greater galvanic corrosion to anode QAl 9 2 when they coupled. 其中QAl 1 0 4 4的腐蚀电位最为偏正 ,但它与QAl9 2配副会对QAl 9 2产生较大的阳极电偶腐蚀 ;
- The effects of the above mentioned surface treatments on the value of galvanic current and the variation of galvanic current with time was studied by galvanic corrosion testing. 采用电偶实验方法研究了上述表面处理方法对电偶电流大小,及电偶电流随时间变化规律的影响;
- And coatings containing aluminum layer should be avoided being applied in the galvanic corrosion environment due to the alkalization of corrosion of magnesium and its alloys. 由于镁腐蚀发生碱化,所以防止电偶腐蚀的环境应避免选用含铝涂层体系。
- The problem that most necessitated the restoration of the Statue of Liberty was galvanic corrosion of the iron armature in contact with the copper skin. 使自由女神像的恢复成为必要的大部分是与铜皮肤的接触铁甲胄的流电腐蚀的问题。
- When aluminum materials are attached with steel bolts or screws, galvanic corrosion can occur between the aluminum and steel in the presence of moisture. 当铝质材料配上钢螺栓或钢螺丝时,电镀锈蚀腐蚀会因为湿气而在铝和钢之间发生。
- Galvanic corrosion occurs when two different metals are in direct contact and exposed to an electrolyte such as water or water containing dissolved salts. 当两种不同的金属直接接触并曝露在水或含融盐的水等电解质中,会产生电镀锈蚀腐蚀。