缝隙腐蚀
- 网络Crevice corrosion;point corrosion
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欠保护状态下,缝隙腐蚀会发生,缝隙内溶液pH值降低;
Under unprotection condition , crevice corrosion can happen and the pH value of solution reduces in the crevice ;
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离子注入Cr、Mo、Al对碳钢缝隙腐蚀行为的影响
Effects of ion implantation of cr , Mo and Al on crevice corrosion behaviour of carbon steel
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Cu基形状记忆合金在生理盐水中的缝隙腐蚀
Crevice corrosion of Cu based shape memory alloy in saline solution
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提高污水的pH值,能降低碳钢的均匀腐蚀速度,但pH值过高易引起碳钢的缝隙腐蚀。因此,pH值应小于8.5。
Increasing pH value can decrease the uniform corrosion rate on low carbon steel , but the crevice corrosion exacerbates when the pH value is too high ( over 8 . 5 ) .
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但在厦门站潮差区暴露4a后,由于特殊的海水环境和试验设施,该合金局部发生海生物附着下的缝隙腐蚀。
After exposure in Xiamen tide station for 4a , the alloy locally generated crevice corrosion by marine biofouling .
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镀层在HCl溶液中的腐蚀属于点蚀,在H2SO4、H3PO4和FeCl3溶液中的腐蚀属于缝隙腐蚀。
The coating corrosion was pitting corrosion in HCl solution and crevice corrosion in H_2SO_4 , H_3PO4 and FeCl_3 solutions .
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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 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 .
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结果表明:高速钢表面电弧离子镀TiN和(Ti,Cr)N复合膜均可提高其耐腐蚀性能,薄膜的腐蚀主要有小孔腐蚀、缝隙腐蚀及电偶腐蚀。
The results show that the TiN and ( Ti , Cr ) N composite films significantly increase the corrosion-resistance of the steel and that pinhole corrosion dominates , along with seam corrosion and electrochemical corrosion in the film .
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MD-82型飞机货舱结构缝隙腐蚀原因分析及防腐蚀改进措施
Crevice corrosion causes and improved anticorrosive measures of the lower structure of cargo compartment in MD-82 model airplane
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采用电化学方法研究了Cu-Zn-Al形状记忆合金及其BTA钝化处理试样在Hank's人工体液中的缝隙腐蚀行为。
The crevice corrosion of the benzotriazole ( BTA ) passive specimens of the shape memory alloy Cu Zn Al in Hank 's artificial body fluid has been studied using electrochemical tests .
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Na2SO4是中性溶液中铝的吸附型缓蚀剂,延缓了缝隙腐蚀的发生。
It was suggested that Na_2SO_4 was an adsorption inhibitor for pure aluminium in neutral solution , and crevice corrosion of the pure aluminum was restrained availably .
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结果表明:(1)缝隙腐蚀存在一个临界电位V(CREV);
Laboratory date indicate : ( 1 ) There exists a critical potential V_ ( CREV ) for crevice corrosion . When a specimen is polarized to a potential more positive than V_ ( CREV ), crevice corrosion is likely to grow .
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结果表明:在人工体液中,Cu-Zn-Al形状记忆合金的耐缝隙腐蚀性能优于未进行热处理的Cu-Zn-Al合金,其作用机理是单相马氏体组织改善了合金的电化学行为,抑制了活性溶解。
The results show that the shape memory alloy Cu Zn Al exhibits better property than the annealed alloy Cu Zn Al . The reason is that the martensite single phase in the alloy Cu Zn Al improves electrochemical property and inhibits active solution .
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缝隙腐蚀与电偶腐蚀的混合型腐蚀形态与防腐措施
Anticorrosion measures for combinational type of galvanic corrosion with crevice corrosion
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不锈钢密封面在醋酸中的缝隙腐蚀及对策
Crevice Corrosion of Stainless Steel Seal Surface in Acetic Acid and Countermeasures
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骨内种植体覆盖螺丝的缝隙腐蚀研究
Studies on the Crevice Corrosion of Cover Screw of Implant in Endosseous
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GB/T10127-1988不锈钢三氯化铁缝隙腐蚀试验方法
Stainless steels & Method of ferric chloride crevice corrosion test
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合金元素铁对钛缝隙腐蚀性能的影响
Influence of iron as alloying element on crevice corrosion behavior of titanium
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阴极保护防止绝缘覆盖层下金属的缝隙腐蚀
Cathodic protection against crevice corrosion of metals beneath insulating coatings
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钛制换热器缝隙腐蚀研究与探讨
Study and discussion on crack corrosion of titanium heat exchanger
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金属缝隙腐蚀时缝内电化学行为的研究
A Study on the Electrochemistry Behavior of the Alloys in the Manmade Crevices
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不锈钢太阳能贮热水箱的缝隙腐蚀
Crevice corrosion on stainless steel solar hot water tank
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这一过程与经典的金属缝隙腐蚀机理相吻合。
This process was coincident with classic theory of crevice corrosion of metal .
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缝隙腐蚀的发生是由于形成了金属离子浓差电池。
The occurring of crevice corrosion is attributed to the metal ions concentration cell .
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液氯钢瓶缝隙腐蚀的机理分析及防范措施
Mechanism Analysis of the Crevice Corrosion of Liquid Chlorine Steel Cylinders and Protection Methods
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铝合金在飞溅区的缝隙腐蚀比点蚀严重。
Crevice corrosion of aluminium alloys in splash zone was more serious than pitting .
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GB/T13671-1992不锈钢缝隙腐蚀电化学试验方法
Stainless steels-Method of electrochemical test for crevice corrosion
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海洋环境中两种铝合金缝隙腐蚀缓蚀剂及缓蚀机理的研究
Research on Inhibitors for the Crevice Corrosion and Mechanism of Two Aluminium Alloys in Seawater
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在潮汐区暴露的不锈钢受点蚀和缝隙腐蚀破坏。
The stainless steels exposed to tidal zone were attacked by pitting and crevice corrosion .
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工业纯钛的缝隙腐蚀探讨
Crevice corrosion discussion of commercial pure titanium