pit corrosion
英 [pɪt kəˈrəʊʒn]
美 [pɪt kəˈroʊʒn]
麻点腐蚀；（点）蚀
双语例句
- The field coupon tests indicated that the Jurassic oil well pipe in the oil field of PetroChina Changqing Oil Field Company suffered from severe internal corrosion, especially the pit corrosion.
通过现场腐蚀挂片试验，发现中国石油天然气股份有限公司长庆油田分公司某油田开采侏罗系油井管柱遭受严重的内腐蚀，以点蚀为主要破坏形式。 - In the limiting current region, an inductance loop appears on the EIS because the breakdown of the oxides film leads to serious pit corrosion.
在极限电流区，腐蚀产物膜产生破损点，导致电极表面快速溶解，产生严重的点蚀，这就是在该区域极化电位下EIS出现感抗弧的原因。 - The pit corrosion resistances of nickel-chromium series and manganese series low alloy structural hull steels were compared by simulating occluded corrosion cell tests and interval laboratory immersion corrosion tests.
通过模拟闭塞腐蚀电池试验及室内间浸挂片试验，对常用的Ni-Cr系和Mn系两类低合金船体结构钢的耐点蚀性能作了比较。 - There are the various damages on the gear surfaces of triplex pumps made in China, especially, there exist a lot of phenomena of the pit corrosion.
国产三缸泵的齿轮齿面损伤严重，尤其以点蚀现象居多。 - In the experiment of intergranular corrosion resistance, the 316L stainless steel substrate shows seven kinds of pit structure-ⅱ intergranular corrosion, while almost no intergranular corrosion takes place on the titanium surface alloyed layer.
晶间腐蚀试验表明，316L不锈钢基体呈现七类凹坑组织Ⅱ晶间腐蚀；而渗钛合金层几乎没有发生晶间腐蚀，显著提高了316L不锈钢基体的耐晶间腐蚀性能。 - The result shows that CO2 makes the rate of corrosion, the tendency of pit and crevice corrosion increase, while the increased margin is influenced by the metallurgical parameters, including chemical composition, microstructure and so on.
结果表明，CO2使钢的腐蚀速度、点蚀倾向和缝隙腐蚀倾向增加，而增加的幅度则受到钢的成分、显微组织等冶金因素的影响。 - The test results show that the sulfate-reducing bacteria participate in electrochemical corrosion, accelerate the localized corrosion, destroy passivation and induce pit corrosion to the stainless steel.
实验结果表明，硫酸盐还原菌参与了不锈钢的电化学腐蚀，加速了腐蚀速度，破坏了不锈钢的钝化层，诱导了不锈钢点蚀的发生。 - Corrosion of magnesium is initiated from free-film region where the pit corrosion is the main corrosion form.
镁合金腐蚀起源于无膜区，无膜区内发生的点蚀是镁合金的主要腐蚀形式。 - The coating structure becomes loose after immersing. The etch pit of the surface of coating increases after corrosion.
浸泡后，涂层结构变得疏松，腐蚀后的涂层表面腐蚀坑增多。 - Study On Pit Corrosion Phenomenon of Flow Passage Blades In No 1 Turbine of Zhan Jiang Power Station
湛江电厂1~汽轮机通流叶片点蚀现象的研究