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rust layers
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  锈层
     COMPARISON OF THE RUST LAYERS FORMED ON CARBON STEEL BY ACCELERATED CORROSION TESTING IN NaHSO_3 AND Na_2SO_4 SOLUTIONS
     碳钢在NaHSO_3和Na_2SO_4溶液中加速腐蚀锈层比较
短句来源
     Optical microscope, electron probe, EM and microelectrochemical testing show that although the low alloy steel corrodes faster than ordinary carbon steel, but when the rust layers formed are dense and enriched with alloying elements, the corrosion processes will be inhibited.
     研究工作表明,低合金钢虽然具有较碳钢严重的局部腐蚀,但当该种合金钢的局部腐蚀锈层具有合金元素富集、致密等特征时,局部腐蚀将受到抑制,其原因是蚀坑内含富集合金元素的腐蚀产物成了难溶性盐,复盖了蚀坑底部基体,阻滞了腐蚀过程,降低了局部腐蚀速度。
短句来源
     Thus the steels were subject to dry-wet cyclic immersion tests, and the morphologies and process of the rust layers were analyzed by means of optical metallography, X-ray diffraction, and electrochemical impedance spectroscopy.
     因此,对不同晶粒尺寸耐候钢进行了模拟工业大气周期浸润实验室加速试验,并通过金相扫描、X射线衍射、交流阻抗谱等手段对锈层进行了分析。
短句来源
     The rust layers on the samples were analyzed with IR absorption,X-ray diffraction,polar light metalloscopy and EPMA. Results showed that the outer rust layers on both carbon steel and weathering steel were mainly α-FeOOH,α-FeOOH and Fe_3O_4,and were loosen.
     采用偏光、红外吸收、X射线衍射及EPAM对挂片锈层结构和组成进行了分析,发现碳钢、耐候钢表面锈层主要由γ FeOOH、α FeOOH及Fe3O4组成。
短句来源
     The structures of the rust layers of two low alloy steels formed by localized corrosion in marine environment were investigated.
     使用光学显微镜、电子探针、电子显微镜、微电化学测试等方法对两种低合金钢在海洋条件下的局部腐蚀锈层结构进行了研究。
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  “rust layers”译为未确定词的双语例句
     A Study of the Phase Cemponents of Rust Layers Fomed on Low-Alloy Steels in Sea Water
     用穆斯堡尔谱学等方法研究低合金钢在海水中锈层的相组成
短句来源
     The accelerated corrosion properties of high strength weathering steel Q450NQR1 are studied and compared with mild carbon steel Q345qD by means of the periodical immersion cyclic corrosion test,and the phase constitution of rust layers is analyzed by XRD.
     通过周期浸润模拟加速腐蚀试验,对比研究了高强耐大气腐蚀钢Q450NQR1和普碳钢Q345qD的加速腐蚀性能,并用XRD对锈层的相组成进行了分析。
短句来源
     STUDY OF RUST LAYERS FORMED ON CARBON STEEL IN VARIOUS CORROSION ZONES IN MARINE ENVIRONMENT BY MOSSBAUER EFFECT
     利用穆斯堡尔谱对普碳钢在海洋各腐蚀区带锈层的研究
短句来源
     Energy dispersive spectroscopy showed the rust on the raft specimens to have higher chloride contents and atomic absorption studies suggested that the rust layers are composed of FeOOH.
     能谱分析表明,浮筏上样品的氧化膜含有大量的氯化物和原子吸附,研究认为氧化膜是由FeOOH构成的。
短句来源
  相似匹配句对
     Content of FeS in internal rust layers was measured.
     分析了碳钢内锈层中的微生物及其腐蚀与大型生物、锈层、温度等的关系。
短句来源
     THE STRUCTURE OF RUST LAYERS ON LOW—ALLOY STEELS FOR MAKING SHIP
     船用低合金钢锈层结构
短句来源
     The platform has two layers.
     本文所讨论的企业模型自动化的软件平台分可执行平台和高层建模平台。
短句来源
     Rust Fungi from the Altai
     阿尔泰山区的锈菌(英文)
短句来源
     EFFECT OF LAYERS ON PERMEABILITY
     铺层方式对织物渗透率的影响
短句来源
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  rust layers
EDS data of such rust layers showed that the alloying element content decreases from the steel core towards the outer part of the rust layer.
      
For fundamental studies of the atmospheric corrosion of steel, it is useful to identify the iron oxide phases present in rust layers.
      
CEMS and X-ray diffraction of rust layers on an iron coupon corroded in a 0.02 M KCl solution show that there exists a magnetite layer below an outer lepidocrocite layer.
      
Low temperature CEMS determination of the morphology of rust layers on an iron plate corroded in KCl solution
      
The restriction of diffusion of dissolved oxygen into the intermediate rust layers through the top γ-FeOOH layers formed at the initial stage of corrosion is considered to facilitate in the formation of iron oxyhydroxide complex containing Cl-.
      
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The structures of the rust layers of two low alloy steels formed by localized corrosion in marine environment were investigated. Optical microscope, electron probe, EM and microelectrochemical testing show that although the low alloy steel corrodes faster than ordinary carbon steel, but when the rust layers formed are dense and enriched with alloying elements, the corrosion processes will be inhibited. These corrosion products can form sparingly soluble salts and cover the bottom of the pits, while...

The structures of the rust layers of two low alloy steels formed by localized corrosion in marine environment were investigated. Optical microscope, electron probe, EM and microelectrochemical testing show that although the low alloy steel corrodes faster than ordinary carbon steel, but when the rust layers formed are dense and enriched with alloying elements, the corrosion processes will be inhibited. These corrosion products can form sparingly soluble salts and cover the bottom of the pits, while outside the pits this phenomena will not occur and the corrosion processes turn to enlarge the radius of the pits, as can be confirmed by the difference of the microelectrochemical mv-d curves inside and outside the pits. From the types of steels investigated, Al-Cu-P steel has more typical above mentioned characteristic, and the localized corrosion behavior of the Ni-Cu-As steel is nearly the same as that of the carbon steel.

使用光学显微镜、电子探针、电子显微镜、微电化学测试等方法对两种低合金钢在海洋条件下的局部腐蚀锈层结构进行了研究。研究工作表明,低合金钢虽然具有较碳钢严重的局部腐蚀,但当该种合金钢的局部腐蚀锈层具有合金元素富集、致密等特征时,局部腐蚀将受到抑制,其原因是蚀坑内含富集合金元素的腐蚀产物成了难溶性盐,复盖了蚀坑底部基体,阻滞了腐蚀过程,降低了局部腐蚀速度。而在蚀坑外的平坦区域则没有发现合金元素的明显富集——局部腐蚀由向深度方向转而朝着扩大蚀孔直径的方向发展。这种变化的规律可由微电化学的蚀坑内外ΔmV-d曲线明显地看到所研究的钢种中,AlCuP钢具有较为典型的上述特征。NlCuAs钢的局部腐蚀行为与碳钢相近。

A study of the rust layers fomed on low-alloy steels in sea water was made by using Mossbauer spectroscopy, X-ray diffraction, infrared absorption spectroscopy and DTA. The influences of alloying elements on the morphology of rust layers, the effect of enrichment of various alloying elements in the inner rust layer on corrosion resistance, and the crystallography of Jrust layers were discussed.

本工作用穆斯堡尔谱学等方法对几种钢的海水锈层进行了分析研究。主要分析了锈层的相组成。宏观观察表明以硅铬铜镍为合金元素的C—4钢内锈层比较致密,较厚、较坚硬、连成较大的板状块。而以锰钛为主要合金元素的C—2钢的内锈层较薄、不均匀、较脆,甚至有时不能连成一块。穆斯堡尔谱学、X线、红外吸收光谱、热差分析,都说明内锈层的主要组成相是针铁石(α—FeOOH),其颗粒的线度尺寸约为3×10~2。电子探针的锈层微区域成份分析表明、铬、铜、镍各元素在内锈层中都有富集。而锰元素与此相反,不但没有富集、反而有所消失。钛的富集情况不明显。根据本文研究结果,可以得出以下初步看法:①低合金钢中的少量合金成分对锈层中的物相组成没有明显的影响;②各合金元素在内锈层中富集与否可能影响内锈层的致密度及厚度,从而影响耐蚀性;③锈层中的物相有微晶而不是非晶质的。内锈层中主要组成物粒度已小到使其表现为超顺磁状态,在液氮温度显示反铁磁性状态。

Corrosion behavior of 19 low alloy steels with different compositions under different atmospheric conditions is reported in this paper. The time of exposure extends as long as 15 years at 10 experimental sites typical of diferent atmospheres. The results show that corrosion behavior of steels varies remarkably with atmospheric conditions. Alloying elements such as Cu, Ti, Re, Mn are beneficial to the improvement of atmospheric corrosion resistance, with Cu being the most effective. Rust layers are investigated...

Corrosion behavior of 19 low alloy steels with different compositions under different atmospheric conditions is reported in this paper. The time of exposure extends as long as 15 years at 10 experimental sites typical of diferent atmospheres. The results show that corrosion behavior of steels varies remarkably with atmospheric conditions. Alloying elements such as Cu, Ti, Re, Mn are beneficial to the improvement of atmospheric corrosion resistance, with Cu being the most effective. Rust layers are investigated by means of X-ray diffractometer, SEM, EPMA aswell as electrochemical techniques. Regression equation expressing the relation between weight loss and time has been derived from short-term experimental data through statstical treatment,and is used for finite extrapolation forecast. It is observed that the corrosion resistance of the low alloyed Mn steel placed at the site of a river bridge is inferior to that of carbon steel on extended exposure.

选择铜钢及含稀土、钛、锰、铜的低合金钢计十九种,在我国不同环境的十个试验站进行长达十五年的曝露试验。对试验数据进行分析,寻得了钢材在大气中的腐蚀规律;肯定了铜、钛、稀土、锰等合金元素对提高钢的耐大气腐蚀性能的有利作用,其中以铜最为显著。

 
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