• 状态:高纯锆银灰色棒状,具有金属光泽。内部表面带有非金属夹杂物

    Physical features: crystal bar in silver grey lustre without non-metal inclusion and blue film on the surface or the inner.

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  • 试生产盘条组织性能稳定脱碳晶粒细小夹杂物含量低,表面质量良好

    The trial produced rod is with stable tissue, decarbonization film thin, crystal particle tiny, slag little, and surface quality better.

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  • 针对国产82B盘条拔过程中的断裂现象进行了分析,通过对网状组织金相组织、夹杂表面质量拉拔工艺的浅析,指出了造成82 B盘条断裂的原因

    By analyzing the network structure, metallographic structure, inclusion, surface quality and drawing process, the reason of crack for 82b wire coils was pointed out.

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  • 结果表明,热轧Q 345 B中厚表面裂纹由于铸坯中存在夹杂物铸坯纵引起

    The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab.

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  • 结果表明非金属夹杂超标导致表面产生纵向裂纹主要原因

    The results showed that the major cause of longitudinal surface cracking of 20 steel tube blanks was higher nonmetallic inclusion content in the steel than standard value.

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  • 结果表明,82B盘条主要原因夹杂物级别超标组织出现网状碳化索氏体含量偏低以及盘条表面缺陷等。

    The results show that 82b wire rod brittle fracture is mainly caused by excessive inclusion, reticulate carbide, lower sorbite in the microstructure, and surface defect of wire rod.

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  • 根据模铸件表面麻点内夹杂物成分组成,对其来源进行了分析提出了相应解决措施。

    The origin of inclusions in rough sport disfigurement on the surface of investment castings was analyzed and the corresponding solutions were given according to the composition of inclusions.

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  • Q 235 B中厚表面缺陷处显微组织、非金属夹杂物进行了金相组织扫描电镜观察及能谱分析

    The surface defect on medium and heavy plate Q235B was investigated by means of the optical microscopy, scanning electron microscopy and energy spectrum analysis in this paper.

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  • 结果表明轴承倒角表面质量不佳以及夹杂物过多导致轴承断裂直接原因。

    The result indicates that the chamfer Angle and the inclusion are the main reason for the fatigue fracture.

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  • 硅酸盐夹杂物表面只为氧化铝10 ~(- 8),具备液中形核条件

    The interfacial energy of silicates, however, is only 10-8 times of that of alumina and, thus, the silicates have the precondition of homogenous nucleation in the steel.

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  • 试样抛光时,最重要是要避免夹杂物剥落、变形或抛光表面被污染,以便检验尽可能干净夹杂物形态不受影响。

    The mosaic approach and fixture method can be applied to fix the sample avoiding the round polished edge and make sure the smoothness of the testing surface.

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  • 另外,传热管原始表面粗糙不平整、不清洁加速了腐蚀成垢原材料非金属夹杂存在也降低材料抗腐蚀的能力。

    In addition, the roughness and uncleanness of the original surface of heat transfer tubes accelerated corrosion and scale. Non-metallic impurities of the tube material reduced corrosion-r...

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  • 另外,传热管原始表面粗糙不平整、不清洁加速了腐蚀成垢原材料非金属夹杂存在也降低材料抗腐蚀的能力。

    In addition, the roughness and uncleanness of the original surface of heat transfer tubes accelerated corrosion and scale. Non-metallic impurities of the tube material reduced corrosion-r...

    youdao

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