External defects: undercut , overip , arc pit, gas cavity in surface, crack in surface.

外部缺陷: 咬边 、 焊瘤 、 弧坑 、 表面气孔 、 表面裂纹.

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The results are compared with observation of crack growth and spalling.

存在的是平面的、小的次表面裂纹.最后将计算结果与实际观察的裂纹生长剥落情况对比.

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So pulsed eddy current method is introduced to inspect metal surface cracks.

介绍了应用脉冲涡流检测技术于检测金属表面裂纹.

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Any surface cracking of the bloom will cause ser - ious quality problem.

管坯的表面裂纹会对无缝钢管的质量产生极坏的影响.

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The crack occurred in silica brick generally includes surface crack and layer crack.

硅砖中裂纹包括表面裂纹和层裂.

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Accidental damages may occur on surface of hollow axles running and this may induce surface cracks.

空心车轴在运用中可能会出现意外损伤而诱发表面裂纹.

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This paper deal ed with image data acquisition for automatic inspection of surface cracks of workpieces.

简要介绍了工件表面裂纹自动检测的图象采集方法.

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Common appearance defect has to bite side, weld tumour and hollow and welding deformed etc.

常见的外观缺陷有咬边 、 焊瘤、凹陷及焊接变形等,有时还有表面气孔和表面裂纹.

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The decarbonizing layer and crack on the surface of peeled bright bars are removed effectively.

剥皮银亮钢被有效地除去了表面脱碳层和表面裂纹.

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Subsurface inclusion is one of the reasons causing surface crack of rolled steel.

皮下夹杂是造成表面裂纹的原因之一.

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The rolling contact fatigue life was found to be markedly related the subsurface crack propagation angle.

理论分析和试验结果表明,接触疲劳寿命与次表面裂纹扩展角之间存在着明显的对应关系.

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The surface crack is the most dangerous among crack defects of oil thimble.

套管裂纹缺陷中最危险的是表面裂纹,可分解成表面周向裂纹和表面轴向裂纹问题.

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Metallographic method is used to analyze the characterization of surface cracking of the geared.

采用金相分析方法分析了齿座表面裂纹的性质和产生原因.

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The relationship between crack length and stress intensity factor or crack opening displacement is also given.

用边界积分方法,分析表面裂纹的张开位移和应力强度因子.

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Shlyannikov , Z . B . Kuang , F . P . Yang ( 2004 ), Surface fatigue crack growth behavior , Russian journal Power Engineering Problems.

杨凤鹏, 林卓英 ( 2004 ), 表面裂纹疲劳扩展的试验, 北京科技大学学报.

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