查询词典 corrosion resistant

The results show that the naturally-aged 2195 alloy has the best intergranular and exfoliation corrosion resistance. The intergranular and exfoliation corrosion are accelerated with prolonging the increasing aging time at 160℃, which is in accord with the results of polarization tests in IGC solution.

结果表明： 2195合金在自然时效状态下具有较好的抗晶间腐蚀和剥落腐蚀能力，但随着在160℃时效时间的延长，其晶间腐蚀与剥落腐蚀倾向逐渐增加；在剥落腐蚀溶液中进行的极化曲线测试也表现出相同的趋势。

From the angle of engineering application, this article analysed the corrosion characteristics and damage causes of the current structural used concrete in the region of Hangzhou gulf, on the basis of on-site survey of all the Marine concrete projects in that area. Taking HPC used in Marine as research objective, this article put great emphasis on the influence of the composition cementing material system to concrete performance, and make a preliminary probe into the action mechanism of the composite effects of various mineral materials in improving the performance of concrete by laser measuring size machine and EMPA. Through experiments, the article discussed how chloride ingression in concrete will be effected by such factors as exposure time, chloride binding, environment temperature, stress and cracks conditions; and also analysed the symptoms of these factors in the model of concrete service life prediction by conference to all related research reports both home and aboard. On the foundation of abovementioned research, this paper brought up an engineering model of service life prediction of marine concrete, which is based on chloride-induced corrosion.

本文从工程应用的角度，在对杭州湾地区既有海工混凝土工程作实地调研的基础上，研究分析杭州湾地区既有海工混凝土结构的腐蚀特点和破坏原因；以海工高性能混凝土为研究对象，着重研究复合胶凝材料体系对混凝土性能的影响，并应用激光粒度仪、EMPA等分析手段，就复合胶凝材料的作用机理进行初步探讨；试验研究混凝土暴露时间、胶凝材料对氯离子的吸附、环境温度、应力和裂缝状态等因素对混凝土中氯离子迁移运动的影响，并结合国内外相关研究报导，探讨这些因素在混凝土使用寿命预测模型中的表征；在上述研究基础上，提出以氯离子侵蚀为基础的海工混凝土使用寿命预测的工程应用模型。

The rate of point corrosion is also very low but intergranular corrosion rate is high.

本论文从组织上对不锈钢内衬层的性能进行了说明。

The lower carbon steel, corrosion resistance, especially resistance to intergranular corrosion stronger.

钢中含碳量越低，耐蚀性特别是耐晶间腐蚀能力越强。

Through penetrate methods and observing microstructure,the type of corrosion is determined as intergranular corrosion.

通过材质鉴定、着色分析以及显微镜分析确定了该腐蚀的类型为晶间腐蚀，产生腐蚀的原因主要是焊接使焊缝附近的金属受热发生敏化现象以及材料本身存在的质量问题所致。

The corrosion of poor Cu area is the root of intergranular corrosion.

贫铜区受到腐蚀是晶间腐蚀的根源。

The method of FSSP is used to classify corrosion, a feature is extracted for the detection of corrosion, and an inversion mathematic formula to inversely evaluate the depth and volume is derived.

采用"频谱分离点"的方法对腐蚀缺陷进行了分类识别，提取了对腐蚀缺陷进行检测的特征量，得到了对腐蚀缺陷深度和体积进行反演计算的数学公式。

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Corrosion behavior of high strength galvanized steel wires under certain tensile stress was studied at different temperatures in a simulated acid rain by Tafel linear extrapolation, EIS and accelerated corrosion test.

采用Tafel直线外推法、交流阻抗和加速腐蚀试验，研究了拉伸应力作用下高强度镀镜钢丝在不同温度的模拟酸雨溶液中的腐蚀行为，表征其腐蚀前后形貌。

Corrosion action slope cable used in cable-stayed bridge in different corrosion medium such as synthesis sea water, solution NaCl and simulation acid rain are studied by electrochemical method, for example, linear polarization, Tafel extrapolation and AC impedance method.

对此，本论文以人造海水、NaCl溶液、模拟酸雨作为腐蚀介质，针对不同类型的钢绞线，采用线性极化法、Tafel外推法和交流阻抗法等电化学方法研究斜拉桥拉索结构中钢绞线在不同介质中的腐蚀行为。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。