Scatter and fracture surface roughness increases with loading rate.
分散性和断裂表面的粗糙度随加载率而提高。
The fatigue fracture surface features of blade are summarized firstly.
归纳总结了叶片疲劳断口的特征形貌。
The fracture surface traverses matrix as well as fibers and interface .
断裂表面横切过基体、纤维和界面。
The gravity fracture surface sliding model with self-affine fractal character is established.
构造了具有自仿射分形性质的重力型断裂面滑移模型；
The fracture surface appeared intergranular crack, due to the oxide formed during tensile test.
拉伸过程中形成的氧化物夹杂成为裂纹源，断口表现为沿晶断裂。
Fractal dimension of impact fracture surface of 08f steel was measured by vertical section method.
利用垂直截面法测量了08f钢经不同形变氮化复合后冲击断裂表面的分形维数。
The fracture surface is rather rough in sinusoidal vibration, while is smooth in random vibration.
正弦振动断口非常粗糙，而随机振动断口比较平滑。
The tensile fracture surface shows a typical ductile fracture which is advantageous to follow-up processing.
样品的拉伸断口是典型的韧性断口，有利于材料后续加工成型。
The microstructure of MDF cement and its fracture surface were investigated in detail by SEM/EDAX, STEM et al.
应用SEM／EDAX、STEM等仪器比较详细地研究了MDF水泥及其断口的微观结构。
It is put forward that the analysis method of fracture surface of metallic tension test specimen is available.
提出的金属拉伸试样断口分析方法是可行的。
The adiabatic heating induces the temperature of fracture surface layer to be higher than the liquidus temperature too.
计算表明，断口表面层绝热升温温度依然高于液相线温度。
The phase composition and structure, solid-solubility and tensile fracture surface of the samples were studied by XRD and SEM.
利用X射线衍射仪和扫描电镜分析样品的相组成、相结构、固溶情况和拉伸断口形貌。
The fracture surface of a failed injection valve nut of diesel engine high pressure oil pump was investigated by visual and SEM.
对断裂的汽车柴油机高压出油阀紧座的宏观、微观断口及显微组织进行了研究。
The main estimation is the rugosity and the linear rugosity of the fracture surface. A set of theoretical models has been built.
评价的主要内容集中在裂隙面粗糙度和线粗糙度方面，并建立了一系列的理论模型。
The pattern of a brittle fracture surface of FEP copolymer is confirmed as fracture curve and the center of each curve is a flaw.
用金相显微镜等方法确认了国产FEP树脂的脆性断裂图案是断裂曲线，曲线中心为弱点。
A new method of recognition and classification of metal fracture surface models based on wavelet transform is presented in the paper.
实验结果表明，这种方法可以对金属断口模式进行准确的识别与分类。
It show that the fracture surface of pure epoxy resin appears brittle fracture, but the modified epoxy resin appears gliding fracture.
电镜图片表明，纯环氧树脂断裂面呈现明显的脆性断裂，而改性环氧树脂为韧性断裂。
The fractal dimension of fracture surface was measured directly by using projective covering method and laser triangulation technique.
采用投影覆盖法结合激光三角测试技术，直接测定了混凝土断裂表面分维值。
The fatigue fracture surface exhibits obviously impact facture characterization, when the crack propagates into overload tensile zone.
当裂纹扩展至拉伸过载区，断口表面则呈现明显的冲击断裂特征。
SEM analysis indicated that there was remarkable toughness fracture surface morphology for the epoxy resin system modified with ESBSVP.
SEM结果表明，经ESBSVP改性的环氧树脂体系断面呈现出明显的韧性断裂特征。
With the increase of displacement speed, fracture mode of the river patterns gradually became obvious and fracture surface became coarser.
随着加载速度的加快，河流纹断裂形态逐渐变得明显，同时断口形貌变得更加粗糙。
The main reason for the fatigue life enhancement is correlated with the enlarged dimples and more fatigue sources on the fracture surface.
微观分析表明，疲劳断口上韧窝的增大增深、疲劳源数量增加等是疲劳寿命增加的主要原因。
The dynamic character of gravity fracture surface sliding is considered and the stiffness criterion of fracture surface sliding is proposed.
研究了地质断裂面滑移的动力学行为，获得了断裂面滑移失稳的刚度准则。
The high fatigue properties were found to be related with higher crack closure stress, rough fracture surface and tortuousity of crack path.
较高的疲劳性能与裂纹尖端闭合应力、断口表面粗糙度以及裂纹扩展路径弯折程度有关。
The effects of testing temperature on notch impact strength, fractographic features and fracture surface roughness of PVC have been studied.
研究了温度对聚氯乙烯PVC缺口冲击强度、断口形貌特征及断面粗糙度的影响。
The crack nucleation energy and the propagation energy were measured under impact and tensile testing. The fracture surface was examined by SEM.
测定了析出相的类型和组成，测试和计算了冲击、拉伸状态下裂纹的形核能与扩展能，并通过SEM研究了断面形貌。
Furthermore, SEM results indicate that fracture surface of modified system presents ductile fracture features with the increasing of Mioxd content.
SEM结果表明改性后材料断裂面的形态逐渐呈现韧性断裂特征。
Furthermore, SEM results indicate that fracture surface of modified system presents ductile fracture features with the increasing of Mioxd content.
SEM结果表明改性后材料断裂面的形态逐渐呈现韧性断裂特征。
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