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- The experimental results show that as followings: n The MnS is the initiation pitting point of grooving corrosion of ERW pipes. 研究结果表明: 1) ERW钢管中的MnS作为沟状腐蚀的点蚀发生源点,焊缝相对于母材基体呈现阳极特性而在介质中形成电偶腐蚀,最终导致焊缝部位产生选择性沟状腐蚀。
- SCE) is applied to investigate the grooving corrosion sensitivity of J55 steel oil well casing in electric resistance welding(ERW) zone. 应用控电位的电化学极化试验,测定了J55钢高频直缝电阻焊(ERW)油井套管焊接区的沟槽腐蚀敏感性。
- Abstract : An anodic dissolution at potential of -550mV(vs.SCE) is applied to investigate the grooving corrosion sensitivity of J55 steel oil well casing in electric resistance welding (ERW) zone. 摘要 : 应用控电位的电化学极化试验,测定了J55钢高频直缝电阻焊(ERW)油井套管焊接区的沟槽腐蚀敏感性。
- Keywords microstructure;heat-treatment;grooving corrosion;electric resistance welded pipe; 显微组织;热处理;沟槽腐蚀;电阻焊管;
- Clean off any corrosion before applying the paint. 先除去所有的锈迹再上油漆。
- The corrosion inhibition rate of the product was determined by the comprison between static and dynamic experiment on corro... 试验结果表明产品羧基含量较高,阻垢效果良好。
- It is very important to analyze relationship of bolt corrosion extent and shotcrete strength,cover thick,bolt diameter and corro... 这里考虑了环境碳化,相对湿度和水膜对氧化的吸收能力的影响,最后讨论了锚杆锈蚀量与各影响因素的关系。
- DRFLORIANF,FEDRIZZIL,BONORAPL.Influence of water uptake on corrosion protection properties of fluoropolymer coatings[J].Br Corros J,1997(32):145. 徐永祥;严川伟;丁杰;等.;紫外光对涂层的老化作用[J]
- Some substances resist corrosion by air or water. 有些物质可以抗空气或水的腐蚀。
- This process produces corrosion of metals. 这一过程造成金属的腐蚀。
- Good resistance to water and corrosion. 良好的耐水性和防腐性。
- A hammer used by a blacksmith for grooving or spreading iron. 套柄铁锤铁匠用于压槽或辗铁的铁锤
- Stainless steel Baffle - resists corrosion. 不锈钢隔板-耐腐蚀。
- A stable, corrosion - resistant zirconium alloy. 锆合金一种稳定而防腐蚀的锆合金
- NEW YORK (August 30, 2005) - Reebok is grooving to a British beat. 纽约(8月30日,2005)--锐步正在契合英伦的节拍。
- Dental metallic materials - Corrosion test methods. 牙科用金属材料。抗腐蚀试验方法。
- It can be used for cutting ceramics, grooving and beveling. 该切机具备切割、切槽、倒角等功能。
- Reduced distribution line fouling and corrosion. 减少管内污垢和腐蚀。
- Wear and tear or corrosion of the ship. 船舶自然磨损或者锈蚀。
- Development of Copper and Copper Alloy Corrosion. 铜及缓蚀剂的发展。