Finally, several testing methods for fiber fracture are introduced.
研究纤维的断裂有多种近代测试方法。
Physicochemical properties optimal fiber fracture strength, modulus moderate, elongation, spinning weaving performance is good.
物化性能优纤维断裂强度、模量适中,伸长大,纺纱织造性能好。
The pathological changes by HE stain in ADR group were part of myocardial fiber fracture and myocardial periacardial inflammatory infiltration.
HE染色可见部分心肌纤维断裂,心肌间质炎细胞浸润;
The tensile damage behavior involves:matrix microcracking, transverse bundle cracking, interfacial debonding, fiber fracture, ply delamination and bundle splitting.
拉伸破坏损伤表现为:基体开裂,横向纤维束开裂,界面层脱粘,纤维断裂,层间剥离和纤维束断裂。
The relationship between the fracture energy and the cracking space and the cracking wide and the volume percentage of fiber is investigated and discussed.
研究、讨论了聚丙烯纤维体积率与这种材料的断裂能、平均裂纹间距和平均裂纹宽度间的关系。
Fracture morphology is more rough in room temperature, low fatigue stress and more fatigue cycles, but the length of fiber pullout is longer.
室温及疲劳循环应力低、循环周次多的断口粗糙度大,纤维拔出较长;
The method has been widely applied in the concrescence of fracture , growth of nerve fiber , cure of infected wound , speeding growth of vegetables.
直流电刺激的方法在促进骨折愈合,神经纤维生长,感染性创伤治疗,促进植物生长等方面,已得到了广泛的应用。
The methodology of fracture mechanics based on continuous crack growth was applied to the investigation of the microscopic damage evolution and toughness calculation for fiber composites.
文中以裂纹连续扩展的断裂力学方法,研究单向纤维复合材料的细观损伤演化与韧度计算。
Results: Statistical analysis revealed that specimens with fiber posts demonstrated significantly higher failure loads and favorable fracture pattern compared to the controls.
结果:经统计分析,结果显示纤维桩修复组样本断裂载荷显著高于对照组,其断裂模式较对照组更为有利。
Compared with normal concrete, polypropylene fiber reinforced concrete has advantages in ductility, durability, fracture energy, impact resistance, abrasion, and so on.
与普通混凝土相比较,聚丙烯纤维混凝土在延性、耐久性、断裂能、抗冲击性及耐磨性等方面有更为优良的特性。
Compared to tear resistance and tensile strength, fracture toughness is more dependent on fiber length.
断裂韧性对纤维长度的依赖性比撕裂和抗张强度大。
The optical microscope showed that the longitudinal fracture morphology of the fiber when treated at different temperatures were different.
用光学显微镜观察到,不同温度下,纤维纵向拉伸断裂处的形态也不同。
The results show that the interfacial adhesion strength increased noticeably for composites of active aramid fiber but the fracture energy of the interface decreased.
实验结果证明,芳纶表面改性显著提高了其复合材料界面的粘结强度,相反却降低了其界面断裂能。
The test results indicate that the addition of fiber is helpful to improve the fracture properties of high strength concrete.
试验结果表明:加入纤维改善了高强混凝土的断裂性能。
Only, a dynamics model of bridging fiber is built, fracture dynamics problems of composite materials are solved very well.
只有建立复合材料的桥连动力学模型,才能更好地研究复合材料的断裂动力学问题。
Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chip seal under different conditions.
基于断裂力学和有限元原理,计算分析了纤维沥青碎石封层路面结构在不同条件下的应力强度因子。
It is observed by SEM that glass fiber has smooth surface, low crystallization, high density of fracture and shellfish veins of fracture obviously submits ditch form.
用SEM观察到玻璃纤维的表面光滑、低析晶、断口质密度高、断口贝纹呈明显沟状。
The hybrid reinforcing effect and fracture energy hybrid effect of different geometrical size fiber concrete were studied.
研究了不同几何尺寸纤维混杂混凝土的混杂增强效应和断裂能混杂效应;
For the load-baring capacity of the initial lining using steel fiber reinforced concrete, a modified fracture mechanics method is used in this paper to achieve the design purpose.
然后用改进后的断裂力学设计方法对钢纤维混凝土作为初期支护的承载能力进行了结构计算。
Objective: to evaluate the biological safety of carbon fiber reinforced chitosan robs made by ourselves for bone fracture internal fixation.
目的:检验自制炭纤维增强壳聚糖骨折内固定棒材是否符合生物材料的热原要求。
The changes of moisture absorption properties, tensile strength, fracture elongation and elastic modulus of APMOC fiber with aging time were investigated through the hygrothermal aging test.
通过湿热老化试验,研究了APMOC纤维吸湿性能、拉伸强度、断裂延长率以及弹性模量随老化时间的变化。
The initial-crack, fracture impact cycle number and impact energy of these concrete beams with different fiber dosages are also tested.
测定了在不同纤维掺量下混凝土梁的初裂冲击次数、破坏冲击次数以及冲击能。
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例,差异无统计学意义(P>0.05);
Compared to the marked steel fiber with lower strength, the hooked steel fiber with higher strength has better effects on the flexural toughness and fracture energy of HPC.
与低强凸痕型钢纤维相比,端部带弯钩的高强钢纤维对高性能混凝土弯曲韧性和断裂能的提高效果更为显著。
The facture surfaces are flat, interface between fiber and matrix debonds, some fibers are pulled out from the matrix and holes left in the matrix. The Failure mode is a brittle fracture.
断裂面较平整,界面脱粘,纤维附近有基体撕裂,部分纤维被拔出后在基体中留下空洞,呈脆性断裂。
The micro wear mechanism for PEN is plastic flow and broken of the fiber structure, while that for PI is crack initiation, extending and block fracture.
PEN薄带的微观磨损机理主要是纤维组织的塑性流动和拉断,而PI薄带的微观磨损机理为裂纹的萌生、扩张和块状剥落。
A fracture mechanics approach to high strength optical fiber fatigue can be provided for identifying additional fatigue mechanisms that may control failure in more aggressive fatigue environments.
另外,还提出高强度光纤的断裂机理能区分在更苛刻环境中控制光纤断裂的其它过程。
The chemical stress cracking of PET fiber-methylamine system is considered to be a fracture phenomenon of polymers.
PET纤维-甲胺系统的化学应力开裂被归结为一种高聚物断裂破坏现象。
Such tight multilayer structure is to protect the fiber to prevent fracture and to prevent the intrusion of sea water.
这样严密多层的结构是为了保护光纤、防止断裂以及防止海水的侵入。
The carbon fiber-reinforced Polylactide (C/PLA) was prepared for bone fracture fixation, and the carbon fiber was treated by surface soakage with concentrated nitric acid.
制备了碳纤维增强聚乳酸(C/PLA)骨折内固定材料,对碳纤维进行了浓硝酸表面处理。
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