fractography
英
美
n. 金属断面的显微镜观察
双语例句
- Fractography Analysis on Dynamic Fracture in Rock
岩石动态断裂耗能机制的形貌学分析 - Fractography and microstructural analyses with scanning electron microscopy ( SEM) were conducted to determine the fatigue crack initiation and propagation modes.
此外，亦利用扫描式电子显微镜（SEM）观察疲劳破断面，以了解裂缝的生成及成长模式。 - Tensile behavior and fractography of two kinds of ultra-high strength steels
两种超高强度钢的拉伸力学性能研究及断口分析 - Fracture The analysis of the fractography indicates that cracking in this system is intergranular.
断口分析表明，在该体系中破裂属晶间型。 - The chemical composition, microstructure and fractography of coal water mixture nozzle material were analyzed by X-ray energy dispersive spectroscopy ( EDS), optical microscope and scanning electronic microscope ( SEM) respectively.
采用X射线能谱仪（EDS）、金相显微镜、扫描电镜（SEM）等设备对失效的水煤浆喷嘴的化学成分、微观组织及断口形貌进行了分析。 - Chemical distribution, microstructures and fractography of Mo-Ti gradient functional materials prepared by co-sedimentation are studied with electron probe microscopic analysis ( EPMA), scanning electron microscopy ( SEM) and energy-dispersive spectrometry ( EDS).
应用电子探针（EPMA）、扫描电镜（SEM）和能谱仪（EDS）对共沉降法制备的Mo-Ti梯度功能材料的化学成分分布、显微组织和断口形貌进行了研究。 - The applicability of various processing methods is scientifically evaluated according to μβ and σβ. Theoretical analyses are made in light of surface roughness, surface stress, fatigue crack initiation and propagation and fractography.
根据μβ.σβ更科学地评价了各种板孔加工方法的适用性，并进一步从板孔表面粗糙度、表面应力状态、疲劳裂纹萌生与扩展以及断口微观形貌等方面进行了理论分析。 - LME of impact fracture were measured. Fractography of instrumented impact were analyzed by SEM.
测量了冲击断口试样的横向扩张量，利用扫描电镜分析了示波冲击断口形貌。 - Fractography of fractured specimens, microhardness optical and scanning electron microscopy as well as bond mechanisms of thess, above three flame sprayed stainless steel coatings had also been examined and discussed.
对火焰喷涂三种不锈钢结合强度试样的断口形貌、热喷涂层的显微组织和显微硬度、光学金相、电子扫描金相和结合机理，进行了分析和讨论。 - 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。 - 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。 - Analysis of cracks and fractography on steam generator tubes
蒸汽发生器管束裂纹的金相和断口分析 - Fractography in failure analysis
失效分析中的断口组织观察 - Burst of high presser water-pipe was analysed through chemical analysis, stress analysis, metallography, fractography and EDAX in SEM. Results showed the burst of high presser water pipe was due to the imperfect bend technology, strip MnS inclusion in material promotes process of early burst.
通过对爆裂高压水管的化学成分、应力分析、金相观察和断口扫描电镜及能谱分析，结果表明，高压水管爆裂主要与弯管工艺欠佳有关，材料中的条状MnS夹杂促进了早期爆裂的进程。 - The fractography of the cracked section in the roll sleeve was obtained by OM and SEM with EDS mapping, and the properties of the aluminum compound in the crack were analyzed by XRD.
用OM、SEM及能谱仪对辊套表面裂纹和试件断口形貌进行了观察，并采用X-ray衍射仪对裂纹中铝的化合物进行了分析。 - Fatigue life, surface deformation morphology, fatigue cracking and fatigue fractography of Al-0.7% Cu ( mass fraction) alloy, produced by equal channel angular pressing ( ECAP) for 4 passes, were investigated under constant stress or plastic strain control.
通过恒应力和恒塑性应变控制疲劳实验，比较了等通道转角挤压四道次的Al-0.7%Cu（质量分数）合金的疲劳寿命、表面变形形貌、疲劳开裂和疲劳断口。 - Chemical composition, mechanical property and fractography of the fractured blade in a centrifugal pump were analyzed and its failure was identified as corrosion fatigue.
对高速离心泵断裂叶片的材料成分、断口和力学性能进行了分析，确定了其断裂模式为腐蚀疲劳断裂。 - Using data measured, metal microstructure and fractography, the properties of these three kinds of welded joints and materials under small energy lash of heaps of times were compared and analyzed.
用实测数据及光学显微镜对组织、断口形貌作了分析，比较了这三种钢焊接接头及母材的小能量多次冲击性能。 - Shear strengths of rectangular chip component soldered with Sn-Pb solder and with Sn-Ag-Cu solder were studied by means of STR-1000 micro-joints tester and microscopic fractography by SEM. Fracture appearance of the joints was also analyzed.
采用微焊点强度测试仪测试了Sn-Ag-Cu钎料和Sn-Pb钎料钎焊的矩形片状元件钎焊接头的抗剪强度，并对焊点断口进行了扫描电镜分析。 - Fractography observations reveal that the fracture occurred in the new bone near the interface during the shear testing of HA/ Ti FGM implants, which indicates that its interfacial bonding strength even exceeds the shear strength of new bone tissues.
剪切断口形貌表明，FGM种植体断裂发生在界面的新骨一侧，说明其界面结合强度甚至超过了新生骨组织本身的剪切强度。 - The impact fracture characters of high Mn austenitic steel with N are analyzed and the fracture mechanism is discussed by means of cryogenic temperature impact test and fractography.
通过断口分析研究了含氮高锰奥氏体钢在超低温下的冲击断裂特性，探讨了其断裂机理。 - Through hardness test, metallographic observation and fractography, the fracture cause of recycle pump shaft was analyzed.
通过硬度测试，金相检验，断口分析等方法，对循环泵轴断裂原因进行了分析。 - Earlier fatigue fracture of automobile leaf spring was analyzed by metallography and fractography.
采用金相及断口分析等方法，对早期疲劳断裂失效的汽车钢板弹簧进行了综合分析。 - The cause of cracking was analyzed by means of chemical composition, mechanical properties, metallographic analysis, fractography and water quality of boiler.
本文从锅筒和管束取样化学成分、机械性能测试、金相分析、断口分析以及锅炉运行水质等方面进行分析。 - The fractography of tensile samples from different regions was analysed using SEM.
利用SEM检测分析了不同部位所取试样拉伸断口的形貌特征。