Tension and bending fatigue tests were carried out to investigate the fatigue behavior of polymethylmethacrylate for edge attachment element at different temperatures. 研究了有机玻璃边缘连接元件在不同温度下的拉伸和弯曲疲劳特性。
Application of Acoustic Emission Technigues on Flight Stabilizer Spindle Fatigue tests 飞机平尾大轴疲劳试验中的声发射技术应用实例分析
It is of a important significance to shorten the time of fatigue tests by strengthening loading spectra. 强化载荷谱,缩短疲劳寿命实验时间,在工程实际中具有重要意义。
Abstract: The relationship between fatigue limit and prior austenite grain size has been studied by means of rotating bending fatigue tests for microalloyed case carburizing steels. 摘要:利用旋转弯曲疲劳试验方法,研究微合金化渗碳钢的晶粒尺寸与其疲劳性能之间的关系。
Based on the tests of the complete stress-strain curve, the fatigue tests on different high, low stress level were carried out in this method. 该方法以全应力-应变曲线试验为基础,进行不同高、低应力水平的疲劳试特性验。
The fatigue tests were performed at room temperature and cyclic strain and stress ratio of0.1 with triangle load wave. 实验温度为室温,循环应变比和应力比均为0.1,载荷波形为三角波。
Based on a series of fatigue tests, the developing rule of deflection is analyzed. 该方法的关键科学问题之一是疲劳荷载下增强梁的变形规律。
Using newly developed filament-wound composite tubular specimens, the tension-torsion biaxial loading fatigue tests were performed. 同时设计出一种缠绕复合材料管状试样,进行了拉扭双轴疲劳实验研究。
Fatigue properties of three case hardening steels for heavy duty gears after carburization were investigated by means of rotating bending fatigue tests. 利用旋转弯曲疲劳试验方法研究了三种重载齿轮钢渗碳后的疲劳性能。
The design method of fatigue is usually established by way of fatigue tests home and abroad. 目前国内外对其疲劳性能的研究大多借助疲劳试验以建立其验算方法,而对疲劳破坏机理及疲劳寿命估算研究甚少。
This paper systematically fulfilled the research of anti fatigue detailed designs and fatigue tests for the fatigue critical regions of some new aircraft structure. Effective design and analysis methods were developed for raising structure fatigue strength, and excellent design schemes were given for the structure. 对某型飞机结构疲劳危险部位进行了系统的抗疲劳细节设计和疲劳试验研究,探索出提高结构疲劳强度的有效设计措施和分析方法,为飞机的定型提供了优良的结构设计方案。
Fatigue tests of concrete under uniaxial tension and tension-compression with constant amplitude cyclic loading were carried out. 进行了混凝土在单轴等幅重复荷载作用下的轴拉、拉-压疲劳试验。
Secondly, the fatigue tests are carried out. 其次进行常幅谱下的疲劳试验。
The strength and fatigue tests have shown that the hybrid composite driveshaft is reasonable. 研制的混杂复合材料传动轴经强度和疲劳试验证明是合理可行的。
Fatigue tests are used to check the calculated results. 疲劳强度实验有助于检验计算结果。
A new method of vibration exciting is developed in the technical area of structural fatigue tests. 在疲劳试验技术方面开创了一种新的激振方法。
Variable-amplitude fatigue tests for concrete in tension under single and bi-lateral pressures are conducted. Consequently, the fatigue life and residual strain are obtained. 本文进行了混凝土分别在单、双向侧压作用下受拉变幅疲劳试验,得到了疲劳寿命和残余应变。
Good performances were presented in the fatigue tests of the specimens. 样品疲劳实验也表现出很好的性能:8MW/m2,10s辐照,可以承受70周热疲劳;
This paper presents the results of the strength and fatigue tests of lime-soil material. 本文叙述了石灰土的强度和疲劳试验结果。
To do Corrosion Fatigue tests and analyses of typical Components of aircraft, the Compilation of aircraft. 要进行飞机典型构件的腐蚀疲劳试验和分析,就必须编制飞机载荷-环境谱。
High temperature and low cycle fatigue tests have been completed on qualified and defective blades to verify feasibility of the procedure and demonstrate safe life of qualified blades. 为了验证该方法的可行性和确定合格叶片的安全寿命,分别对合格和不合格(有缺陷)叶片进行了高温低周疲劳试验研究。
This paper probes into the methods and contents of fatigue tests and fatigue design of crane's steel structure, and advances some new opinions. 文章探讨了起重机钢结构疲劳试验及疲劳设计的方法和内容,提出了新的观点。
Tensile and fatigue tests showed that this detector can effectively detect Che stress concentration of ferromagnetic component. 拉伸和疲劳循环试验说明了所研制的仪器能有效地检测构件的应力集中。
Simple tensile tests and low-cycle fatigue tests under stress control at different temperature were conducted to investigate the effects of temperature on fatigue behavior and fatigue strength. 通过不同环境温度下的简单拉伸试验和应力控制下的低周疲劳试验,找出了环境温度对应力控制下的疲劳行为和疲劳强度的影响。
The mechanical parameters of the cooling tube with spiral flute were measured by the tension and fatigue tests. 由拉伸和疲劳试验,测定了冷凝器用钛螺纹槽冷却管的力学参数;
Fatigue tests are introduced in this thesis. 论文提出了连接件疲劳设计的方法,同时对疲劳试验做了介绍。