• 通过加载卸载过程中所得到磁声发射强度变化规律,可用评估材料微观损伤残余应力

    The intensities of MAE have been measured as a function of the stress during loading and unloading, which can be used to evaluate the micro-damage and residual stress in ferromagnetic materials.

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  • 本文从微观统计损伤理论出发建立了腐蚀混凝土单轴受压模型试验结果较符合。

    Beginning with the damage theory of micro-statistics, the constitutive model of corroded concrete under uniaxial compression is established which is proved by the experimental outcomes.

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  • 通过力学参数测量微观观察研究初始损伤延性韧性影响

    By using measurement of mechanical parameters and microscopic observation, the effect of initial damage on the ductile fracture initiation toughness of steel was investigated experimentally.

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  • 正电子湮没分析技术研究了辐照损伤微观机制

    The microscopic mechanism of irradiation damage of Al film reflector is studied by the slow positron annihilation technique and X-ray diffraction.

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  • 试样的微观断口分析显示高温应变疲劳试验同时存在疲劳、蠕变氧化损伤

    The results show that fatigue, creep and oxidation damage always develops simultaneously during low cycle fatigue at high temperature.

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  • 微观分析到宏观现象,模糊概率测度思想提出了岩石损伤累积方程

    Then a rock damage evolutional equation was proposed by the authors based on theory of fuzzy probability measurement, and on micro-analysis and macro-observations.

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  • 针对常用耐磨材料磨损工况中的损伤特点总结用于工况材料具备微观组织组成相的性能特点。

    According to the worn characteristics of common wear-resistant material under normal condition, microstructure and metallurgical structure of this kind of materials have been summarized in detail.

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  • 提出了一种描述岩石混凝土材料断裂损伤过程区的细观力学模型用于分析材料的非线性断裂的微观机理

    The cracking mechanism based on non linear fracture model for rock concrete materials is proposed and micro mechanical model for fracture process zone (FPZ) established.

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  • 用宏观微观相结合方法研究焊接接头疲劳损伤演变规律。

    Based on the macroscale and microscale mechanics method, a research on fatigue damage evolution of welded joint is conducted.

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  • 通过轧后铝板表面扫描电子,就冷轧铝板表面损伤进行了探讨

    Surface damage of cold rolled aluminum strip was investigated by observation of roiled surface with a scanning electron microscope.

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  • 分析了该材料在疲劳损伤微观行为

    The damage micro behavior of low cycle fatigue of pure Titanium BT1-0 is analyzed as well.

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  • 方法应用ESEM观察分析不同锐器、钝器方式形成毛发机械性损伤微观形态特征

    Method ESEM was used to image and analyze the morphological characterizations of the physical damaged hairs, which caused by different sharp or blunt instruments and with different manners.

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  • 通过考虑材料微观塑性损伤,定量研究焊接接头强度匹配试件几何形状接头延性裂纹扩展行为影响

    The effects of strength mis-matching and specimen geometry on the resistance behavior to ductile crack growth for welded joint were conducted by 3-D FE analysis considering the micro-plastic damage.

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  • 文章损伤变量定义方法入手,讨论基于微观理论的损伤变量定义方法及其相应损伤模型

    From the beginning of the definition of the damage variable, the definition methods of damage variable and their according damage models based on micro - and macro-theory.

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  • 环境因素导电性能削弱作用,源于相应过程导电涂层微观结构损伤

    The negative effect of environmental factors on conductivity is attributed to the micro-damages occurred within the microstructures of the coatings.

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  • 基础上提出一种新型损伤参量损伤参量结合了剪应力的概念疲劳破坏的微观机制。

    Based on this a new damage parameter, which combines shear stress work and micro-mechanism is provided.

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  • 目的探讨毛发枪弹损伤微观形态射击距离之间关系

    Objective to study the relationship between the microtopography of the gunshot damaged hair and the shooting distance.

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  • 微观统计角度出发,通过岩石细观力学的分析、综合,修正前人的研究成果,从而建立温度—应力耦合下的盐岩损伤方程。

    Based on previous studies and with the relation of statistical mechanics and fractal rock mechanics, the damage formulation of the coupled damage of temperature and mechanics is deducted.

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  • 关系确立微观角度研究氏体钢的蠕变损伤提供了一种判断依据。

    The establishment of the relationship would provide us a new judging rule used in researching creep damage of austenite steel from the...

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  • 器件进行显微观测,光敏没有发现损伤在器件栅极上发现明显激光引起的损伤痕迹。

    According to the micro-analysis of CCD, it is found that the damage does not take place at the light activated elements but at the grid electrode of the device.

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  • 探讨AD病人脑白质微观结构改变认知功能损伤之间关系。

    To evaluate the relationship between microstructure changes of white matter and the cognitive impairment in AD patients.

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  • 探讨AD病人脑白质微观结构改变认知功能损伤之间关系。

    To evaluate the relationship between microstructure changes of white matter and the cognitive impairment in AD patients.

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