corrosion specimen
英 [kəˈrəʊʒn ˈspesɪmən]
美 [kəˈroʊʒn ˈspesɪmən]
网络 腐蚀标本
双语例句
- The distribution of residual stress, residual stress indensity factor ( SIF) and its effect on corrosion cracking behavior of Al-Zn-Mg-Cu ( LC4) alloy in double cantilever beam ( DCB) specimen under various aging temperature have been investigated.
研究了时效制度对Al－Zn－Mg－Cu合金（LC4）双悬臂梁（DCB）试样的残余应力分布及其对应力强度因子、腐蚀开裂行为的影响。 - The main innovative results are below: ① The corrosion behavior of zirconium specimen implanted by yttrium with low fluence is increased, while the corrosion resistance of zirconium samples implanted by yttrium with high fluences is improved.
出主要创新性成果如下：①低注量钇注入纯Zr是增加腐蚀的，高注量钇注入纯Zr是减少腐蚀的。 - Corrosion The corrosive degree of specimen in neutral salt spray test for 200h was the same as one in coal mine water for a year.
200h中性盐雾试验相当于煤矿水质一年的腐蚀量。 - The phase composition and microstructure of corrosion layer of the attacked specimen was examined by XRD and SEM.
试验完成后，用XRD分析坩埚试样侵蚀层的相组成，用扫描电子显微镜观察坩埚试样侵蚀层的显微结构。 - The pitting corrosion damage of pipeline was considered as uniform hole-type damage based on the damage theory. The degradation regularity of apparent yield strength and elastic modulus of damaged pipeline steel was investigated by tension test of specimen with artificial holes.
基于损伤理论，将管壁点腐蚀损伤层材料视作孔洞型均匀损伤材料，通过模拟多孔材料拉伸实验，研究了孔洞型损伤管线钢表观弹性模量和屈服强度退化规律。 - The experimental results showed that the film obtained in the optimum phosphating solution could be withstand CuSO 4 corrosion test more than 30 s and NaCl immersion test more than 6 h and the specimen was no obvious rust after hanging indoor for 90 days.
实验表明：最佳磷化液中形成的膜层CuSO4点滴>30s，NaCl浸泡>6h，室内挂片90天无明显锈蚀。 - Besides, macro-cell corrosion made with carbonated specimen and non-carbonated specimen cured in 60 ℃ vapor in sealed trunk or in solution with 3% NaCl ( by% wt) was also investigated by LPR. Corrosion rate was measured by LPR.
此外，本文还研究了碳化和未碳化试样构成的宏电池腐蚀试样在60℃蒸汽和3%的氯化钠溶液两种条件下的腐蚀情况，应用线性极化方法对其腐蚀速率进行了测试。 - 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.
结果表明：（1）缝隙腐蚀存在一个临界电位V（CREV）； - The results show: 1. The composition of aluminium alloy has some effect on the performance of atmospheric corrosion stability and the local corrosion depth for 167 aluminium alloy specimen is considerable.
试验结果表明：（1）合金成分对铝合金抗大气腐蚀的能力有一定的影响。167铝合金样品的局部腐蚀深度较深。 - There are not only severe mesa attack but also corrosion dents appearing on the specimen surface at 90 ℃.
90℃条件下试样表面不仅出现严重的台地腐蚀而且出现线蚀槽，局部腐蚀严重。 - The average corrosion rate is less than 0.9 mg/ ( m~ 2 · h) and the intergranular corrosion is not observed at the welded specimen surface contacted with sodium.
试验结果表明：在本试验条件下，焊接件试样的平均腐蚀速率均小于0.9mg/（m2.h）； - The flow state within the corrosion fatigue crack and the influence of other parameters on the flow velocity for compact tension specimen were discussed according to the model.
据此，以紧凑拉伸试样为例，讨论了影响速度的各参数及裂纹内的流态。 - Investigation on Distribution and Variable Rule for Corrosion Depth of Aluminum Alloy Specimen
铝合金试件腐蚀深度分布特性及变化规律研究 - The results show that the homogeneity, polish, high hardness and corrosion resistance of the coatings are superior to Ni-P coating and A_3 steel specimen.
MH-3显微硬度仪测定其硬度。结果表明：在所选条件下，可得光亮、致密、耐腐蚀性、硬度强于A3钢、Ni-P镀层的纳米复合材料镀层。 - The corrosion resistance of Fe-Mn-Si-C alloy in acid solutions can be greatly improved, even higher than the one of Fe-Mn-Si-Cr-Ni alloy in acid solutions, by electrodepositing a nickel coat on the surface of specimen.
在Fe-Mn-Si-C合金表面镀上一层Ni以后，可以显著提高其在不同酸性溶液中的耐蚀性，而且在酸性溶液中的耐蚀性明显地高于Fe-Mn-Si-Cr-Ni合金。 - Electrochemical studies are performed to investigate the corrosion resistance of uranium niobium alloy before and after passivated with carbon monoxide. Using X ray photoelectron spectroscopy ( XPS), the surface composition of specimen passivated with carbon monoxide is determined.
采用电化学方法研究了铀铌合金经CO（03MPa）钝化前后的电化学耐蚀性能，并用X射线光电子能谱（XPS）分析了铀铌合金经CO钝化后表面层的组成。 - After erosion-corrosion in water at 40 ℃ for 100 h, the erosion-corrosion rate of specimen with Zn-SiO 2 coating is about 1/ 170 and 1/ 20 as that of carbon steel and sherardizing coating respectively.
在40℃自来水中冲刷腐蚀100h后，Zn-SiO2复合涂层的腐蚀速率约是渗锌层的1/20,20钢的1/170。 - The results showed that the surfaces of the coatings are homogeneous, polished and with strong corrosion resistance which is superior to A3 steel specimen, nickel-phosphorus coating and phosphating film.
结果表明：在最佳施镀条件下，可得光亮、致密、耐腐蚀性强于A3钢、磷化膜及Ni-P镀层的纳米复合化学镀层。 - The results indicate that along with the increase of concrete cover thickness, the maximum corrosion expansion force of concrete specimen increases; stirrups encryption can be reduced the maximum principal tensile stress of specimen surface, thus inhibited or delayed the appearance of corrosive cracks.
结果表明：混凝土所能承受的最大锈胀力随保护层厚度增加而增大；箍筋加密能降低混凝土表面的最大主拉应力，从而有效抑制或延缓混凝土表面锈胀裂缝的产生。 - Recently Electrochemical Noise ( EN) Technique has been developed quickly and it gradually becomes one of the most important means of local corrosion field. In this paper, modified electrolytic cell for C-ring specimen based on the preliminary work.
近年来，电化学噪声（EN）测量在实验技术和数据解析方面都得到了迅速发展，已逐渐成为腐蚀研究，特别是局部腐蚀研究中的重要手段之一。 - Compared with the bare copper, the corrosion current density of the specimen covered with 2 h hydrolyzed film is reduced by 1-2 orders of magnitude, while the films with longer hydrolysis time cause a decrease by about 3 orders of magnitude.
与光板相比，水解时间为2h的薄膜使紫铜的腐蚀电流密度降低了1-2个数量级，而水解时间较长的薄膜使其降低了3个数量级。