英语释义

1. the microscopic study of fractured surfaces of metals at high magnification

片语

ulreasonic fractography超声波断口图

spalling fractography层裂破坏形貌

Welding Fractography焊接金相

fractography retroestimating断口定量分析

quantitative fractography定量的破面解析

electron fractography电子断口金相

Xray fractography射线断口分析技术

macroscope fractography宏观断口分析

creep fractography蠕变断口

英汉例句

• the application of electron fractography to the quantitative analysis of fatigue fracture surfaces is discussed in this paper.

  本文论述应用电子显微断口分析法对疲劳断面进行定量分析。

• the microstructure and fractography of the samples were respectively observed by metallographic microscope and sem.

  利用金相显微镜、扫描电镜对试样的显微组织、断口形貌进行观察；

• at present, the knowledge of fractography of composite materials is growing and paid much attention.

  目前，有关复合材料断裂图像的知识仍是有限的，但已引起人们的高度重视。

• the stress corrosion cracking sensitivity of the steel was low, and the fractography of its stress corrosion cracking showed transgranular and quasi-cleavage fracture with secondary cracks.

  研究表明该钢具有较好的抗应力腐蚀性能，其应力腐蚀断裂形貌为穿晶、解理断裂，并有二次裂纹。

• the fatigue fractography consists of several different zones, including fatigue crack initiation, slow, fast propagation and final fracture.

  疲劳断口上存在典型的疲劳裂纹萌生区、缓慢扩展区、快速扩展区和最后瞬断区。

• the scanning electron microscope(sem) is employed to study sandstone fractography under thermo- mechanical coupling effects.

  通过扫描电镜研究温度–拉应力共同作用下砂巖破坏的断口形貌。

• the fractography observation indicates that preferentially oxidized carbides at specimen surface act as crack initiation sites, and carbides in matrix have the retardation effect on crack propagation.

  疲劳裂纹起源于试样表面优先氧化的碳化物，基体中骨架状分布的碳化物阻滞裂纹扩展；

• the fractography reveals that the alloy has high ductility because the dendritic phases produce in the alloy.

  合金的断口分析结果表明，由于产生了塑性枝晶相，因此该合金具有较高塑性。

• in this paper, the instability cracking velocity and its micro-morphology of fracture surface are experimentally studied by ultrasonic fractography and sem technology. and the results are discussed.

  本文用超声波断口图与扫描电子显微镜（sem）技术对失稳破坏时裂纹扩展速度与相应位置的断口微观形态进行了实验研究，并对所得结果进行了讨论。

• the rib fractography of cross-linked pmma has been explored by optical microscopy.

  用光学显微镜观察了交联有机玻璃断面上的肋状形态。