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sem eds analysis
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  扫描电镜能谱分析
     By means of SEM EDS analysis of alloy elements contents in 12Cr1MoV steel matrix after high temperature long term heating.
     用扫描电镜能谱分析测定了 12Cr1MoV钢高温长时加热后基体 (α相 )内合金元素含量的变化 ,发现当Larson Miller参数从P =2 0 0 0 0到P =2 2 0 0 0变化时 ,Mo含量下降了 2 / 3,Cr与V下降 1/ 3。
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     The electrode characteristics and microstructure of the a-MgNi,Zr0.9Ti0.1 V0.2Co0.1Mn0.6Ni1.1 and composite hydrogen storage alloys were investigated by XRD, SEM, EDS analysis and electrode test.
     采用XRD物相分析、扫描电镜分析、EDS分析及电化学性能测试方法,分别对a -MgNi、Zr0.9Ti0.1V0.2Mn0.6Co0.1 Ni1.1合金及由它们复合而成的新贮氢合金进行了组织结构及电化学性能方面的研究。
     The results that the addition of Si enhances wettability of Al-SiC are achieved byXRD,SEM,EDS analysis ect.
     并运用XRD、SEM、EDS等方法分析和探讨了Si对改善Al-SiC润湿性的作用机理。
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  相似匹配句对
     Study on Gallstones with SEM and EDS
     胆结石的SEM和EDS研究
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     Study on Mica Powder with SEM and EDS
     绢云母粉的SEM和EDS研究
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     Application of SEM-EDS in toxicity analysis
     扫描电镜-能谱仪在毒物检验中的应用
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     The X EDS and Inheritance Analysis of the Cucurbit Pollen by SEM
     瓜类孢粉扫描电镜能谱分析与遗传型
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     SEM-EDS Analysis of Mineral Facies of Granites
     花岗石矿相的扫描电镜-X射线能谱分析
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  sem eds analysis
The SEM/EDS analysis of the scar surface layer indicated that the presence of these esters in lubricants causes a change in the interaction between AW/EP additives and the metal surface.
      
On the basis of the surface topography and the SEM/EDS analysis of surface layers it was found that antiwear layers were formed by tribological conversion of antimony thioantimonate.
      
XRD and SEM/EDS analysis of the prepared samples showed that the Al particle surfaces were uniformly modified by a thin film of SnO2 in all cases.
      
By SEM/EDS analysis, no residual chloride was identified.
      
Obtained results were confirmed by XRD, DSC and SEM/EDS analysis methods.
      
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Pyrochlore rich Synroc samples with different simulated actinide waste loading(37 %~50 %) are fabricated and tested. The XRD and SEM/EDS analysis show that the major phase is well concordant with the formulation design. The samples have good physical properties: density(>5.1 g/cm 3),open porosity(<0.2%)and vickers hardness(>1 000 kg/mm 2). The samples leach rates are in the order 10 -3 (for Ca),10 -6 (for Ti) and 10 -7 (for Nd and U) g/(m 2·d), better than that of the Zirconolite...

Pyrochlore rich Synroc samples with different simulated actinide waste loading(37 %~50 %) are fabricated and tested. The XRD and SEM/EDS analysis show that the major phase is well concordant with the formulation design. The samples have good physical properties: density(>5.1 g/cm 3),open porosity(<0.2%)and vickers hardness(>1 000 kg/mm 2). The samples leach rates are in the order 10 -3 (for Ca),10 -6 (for Ti) and 10 -7 (for Nd and U) g/(m 2·d), better than that of the Zirconolite rich Synroc samples. Thus the Pyrochlore rich Synroc offers a suitable host to incorporate actinides. It is a durable material even under hydrothermal condition with high waste loading and density, which is in favor for final geological disposal.

采用与钙钛锆石 (Zirconolite)性能相近的烧绿石 (Pyrochlore)为主要矿相 ,制备了对锕系元素废液有不同包容量 (37%~ 5 0 % )的人造岩石固化体 ,测定了其物理性能。应用X射线衍射(XRD)、扫描电镜能谱分析 (SEM /EDS)研究了其矿相组成、微观结构和相组分分析 ,并采用产品一致性测试 (PCT)粉末浸泡法研究其抗浸出性能。研究结果表明 ,富烧绿石人造岩石是固化锕系元素废液并最终进行地质处置的理想固化体。

By means of SEM EDS analysis of alloy elements contents in 12Cr1MoV steel matrix after high temperature long term heating.It was found that Mo content is reduced by two thirds,Cr and V are reduced by one third,and there are the distribution gradient of alloy element concentration,which correspond with the natures ofdiffusional kinetics.Also,the effects of composition variations of steel 12Cr1MoV after high temperature long term heating have been discussed.

用扫描电镜能谱分析测定了 12Cr1MoV钢高温长时加热后基体 (α相 )内合金元素含量的变化 ,发现当Larson Miller参数从P =2 0 0 0 0到P =2 2 0 0 0变化时 ,Mo含量下降了 2 / 3,Cr与V下降 1/ 3。并且由晶粒中心到晶界存在明显的合金元素浓度分布梯度 ,这些均符合扩散动力学规律。本文还讨论了 12Cr1MoV钢经高温长时加热后成分变化所引起的种种效应

This paper studied the present situation of WP aluminum alloy sacrificial anodes of sea bed oil-carrying pipelines in the oil field of south China sea.According to the results of potentiostatic test of anode,microanalysis of anode surface dissolution morphology,X-ray diffraction of anode corrosion products,chemical analysis and SEM & EDS analysis,WP anode did not fit for the long-term protection of ocean bottom oil-carrying pipelines.Moreover,it is confirmed that the invalidity ahead...

This paper studied the present situation of WP aluminum alloy sacrificial anodes of sea bed oil-carrying pipelines in the oil field of south China sea.According to the results of potentiostatic test of anode,microanalysis of anode surface dissolution morphology,X-ray diffraction of anode corrosion products,chemical analysis and SEM & EDS analysis,WP anode did not fit for the long-term protection of ocean bottom oil-carrying pipelines.Moreover,it is confirmed that the invalidity ahead of time mainly results from the structure defects.Solute segregation in crystal boundary results in intergranular corrosion very seriously.

用恒电流试验、表面溶解形态、腐蚀产物X -ray衍射分析、扫描电镜和能谱分析 ,对南海油田某海底输油管道的在役铝合金牺牲阳极的使用状况进行了分析测试 .结果证实 ,该阳极提前失效的原因是由于其组织结构存在缺陷 ,晶间偏析严重导致晶间腐蚀所致 .

 
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