The fractal dimension of the material fracture rises with the increase of whisker direction Angle.
材料断口分维值随着晶须方向角的增大而增大。
Many research results of composite material fracture were derived by the method of composite complex function.
利用复变函数方法,对复合材料平面断裂问题的研究已经取得了许多成果。
The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail.
材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。
The method of composite complex function is one of the mathematical methods for the problem composite material fracture.
复变函数方法是研究复合材料断裂问题的非常有效的数学方法之一。
The experiments show that there exist very close relation between the phenomenon of acoustic emission and material fracture.
试验表明,声发射现象与材料破裂具有十分密切的关系。
Based on the fractal theory and computer images analysis technique, a MATLAB program which computes box fractal dimension of material fracture was designed.
基于分形理论和计算机图像处理技术,编制计算材料断口形貌计盒分形维数的MATLAB程序。
This project is an exploration of the material characteristics of the fracture.
这个项目是一个探索的材料特性的骨折。
Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
弹性范围,塑料范围(当材料以不变的应力流动时),应变硬化范围和发生颈缩现象以其断裂终止的范围。
When the applied load exceeds the limit strength of the material as a result of parts breaking overload fracture.
当外加载荷超过材料强度极限而造成零件断裂称为过载断裂。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
如果都把一个构件的最终断裂作为疲劳破坏的定义,则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
Finally, applying Probabilistic Fracture Mechanics Approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.
最后,应用概率断裂力学方法(PFMA),对含初始裂纹体的直升机金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。
Fracture properties and material brittleness.
断裂性能和材料脆性。
The test results shows that AL-liner fracture strain is only 25 % of material ultimate strain.
试验结果表明,铝内衬的极限断裂应变仅为材料极限延伸率的25%。
In mining engineering, strata models are often simulated by similar material simulation model, rock bending deformation and fracture damage is the serious problem.
而在采矿工程中,相似材料模拟的往往是层状模型,岩层的弯曲变形和断裂破坏是关键问题。
Based on the fractal characteristic of concrete material, the relation between fracture toughness and height of crack zone is analyzed.
根据混凝土材料裂纹的分形特性,分析了混凝土的断裂韧度与裂纹带高度之间的变化关系。
Meterials and methods: gathered 14 cases full material of stress fibula fracture, Analysed their X - ray signs and special X - ray expression of bone tumour, and discussed diagnose of the disease.
材料与方法:收集资料完整的胖骨应力性骨折14例,对它们的X线征象及创伤性骨肿瘤样特殊X钱表现做了回顾性分析。
J integral value related to the initiation of ductile crack is important material properties for the engineering structure of ductile fracture.
韧性裂纹开始扩展的J积分值对于韧性断裂的工程构件是一个重要的材料性能指标。
The result showed that the reason of fracture was the temper brittleness of material. In order to avoiding the fracture, the improving method was proposed.
结果表明,螺栓断裂原因是因材料发生回火脆性,提出了改进方法,从而杜绝了类似情况的发生。
Concrete is a typical heterogeneous quasi-brittle material used in engineering, and its fracture process is very complex.
混凝土是一种典型的非均匀准脆性材料,其断裂过程是非常复杂的。
In the case of the limited level density of the material surface energy, the fracture stress and the calculation formula of the engineering damage were studied.
本文研究考虑损伤时材料的断裂应力,推导出了在表面能密度有限的情况下,损伤断裂应力的计算公式。
The fracture problem of the functionally graded material (FGM) is analyzed using the element-free method (EFM).
本文采用无单元法分析了功能梯度材料的断裂力学问题。
This article is concerned with the problem of the importance of rheological phenomena in the yielding and fracture of isotropic material with memory.
本文论述了在各向同性记忆材料屈服与断裂中流变现象的重要性问题。
The fracture energy GF of concrete is one basic material characteristic, representing the energy necessary to create a unit area of fracture surface.
混凝土断裂能G _ F是材料的一个基本性能,表示扩展单位裂缝面所需要的能量。
The fracture is brittle fracture, and the reason is that material of forming dies takes place the temper brittleness.
引起脆性断裂的原因是成型模产生了回火脆性。
Conclusion Absorbable screw is a more ideal material of internal fixation to treat tibia intercondylar eminence fracture.
结论可吸收螺钉是胫骨髁间嵴骨折较理想的内固定材料。
In combination of studies on AE and mechanical process with that of fracture and damage of material, the concept of AE process is proposed.
将对材料声发射的研究,力学过程的研究,同对材料断裂损伤等破坏过程的研究相结合,提出了声发射过程的概念。
In the material with relatively low cross-linking density, extensive fracture process stripe is formed which is induced by the combined stress field near the rubber particles.
在交联密度较低的材料中,在橡胶颗粒附近叠加的应力场诱发下发生纵深度较大的断裂过程。
In the material with relatively low cross-linking density, extensive fracture process stripe is formed which is induced by the combined stress field near the rubber particles.
在交联密度较低的材料中,在橡胶颗粒附近叠加的应力场诱发下发生纵深度较大的断裂过程。
应用推荐