Research on Power Responses and Fatigue Characteristic of the New Pipe Foundation Concrete Beams and Slabs Offshore Platform 新型桩基混凝土梁板式海洋平台动力响应与疲劳特性研究
The fatigue characteristic of forged 6063 Al alloy under uniaxial loading was studied. 研究了6063锻造铝合金单轴拉压载荷下的疲劳特性。
Research on Al-Al_3Ni Spontaneous Composite Alloy to Low-cycle Fatigue Characteristic 关于Al-Al3Ni自生复合合金的低周疲劳特性的研究
Method: fatigue characteristic was analyzed through mechanical tests, and the dislocation structure of materials cyclically deformed with different loading paths and effective stress amplitude was investigated using TEM; 方法宏观力学实验分析循环特性,结合透射电子显微镜分析不同加载路径下和不同的等效应力幅下的疲劳材料的位错结构特征。
The research of fatigue characteristic of magneto-optical media 磁光型记录介质疲劳特性研究
Research on Fatigue Characteristic of Steel Bridges Deck Pavement by the Method of Damage-fracture Mechanics 基于损伤-断裂力学的钢桥面铺装体系疲劳特性研究
The stagnant loop equation and energy loss analysis of asphalt mixture is introduced. The fatigue characteristic of steel bridges deck asphalt mixture surfacing is researched by the energy method, and its prediction formula of fatigue life is proposed. 介绍了沥青混合料的滞后回路方程和能耗分析方法,并用能量法分析了钢桥面沥青混合料铺装体系疲劳特性,提出了疲劳寿命预测公式。
These equipments always work under thermomechanical fatigue loading, for the fail-safe design and reliable use of the equipments made of continuous fibers reinforced metal matrix composites, an important task is to understand the thermomechanical fatigue characteristic of MMCs. 为了这类MMC结构的安全设计和有效使用,一个非常紧迫的任务是要深刻地认识金属基复合材料的热机械疲劳(TMF)破坏特性。
Conclusion: the dependence of fatigue characteristic of alloy Al-Mg-Si on loading path and effective stress amplitude is dramatic, fatigue life is lower with the increase of cycle hardening level. 结论Al-Mg-Si合金的循环特性对加载路径和等效应力幅有强烈的依赖性,硬化越显著疲劳寿命越低。
Subgrade has fatigue characteristic and produces residual plastic deformation under cycle dynamic loads. The residual plastic deformation is decided by dynamic strength of roadbed filling and the actual level of dynamic stress. 在这种重复荷载作用下,路基表现出疲劳特性,并会产生不可恢复的残余塑性变形,这种残余塑性变形主要由路基填料动强度与实际受到的动应力水平所决定。
Statistical Analysis on Fatigue Characteristic for Marine Materials 舰船材料疲劳统计分析中的贝叶斯方法
Based on fuzzy mathematics theory and the fatigue characteristic of VDT operators, an evaluation index system and a two-grade fuzzy synthetic evaluation model of VDT operators 'fatigue are set up. 根据多级模糊综合评价的要求和VDT作业引发疲劳感的特点,从视觉疲劳、局部骨骼肌疲劳和精神疲劳三个方面设计了评价指标体系,建立了VDT作业疲劳的二级模糊综合评价模型。
The fatigue life of the mill housing is thus estimated based on the fatigue characteristic of the housing material used and the stress spectrum. 根据机架材料的疲劳性能曲线及应力谱,估算了机架的疲劳寿命。
Application of Burgers model to the analysis of fatigue characteristic of bituminous mixtures Burgers粘弹性模型在沥青混合料疲劳特性分析中的应用
The Energy Approach to Fatigue Characteristic of Asphalt Mixture 能量方法分析沥青混合料的疲劳特性
Fatigue Characteristic and mechanics of Al-Mg-Si Alloy under Multiaxial Loading 多轴载荷下Al-Mg-Si合金的循环特性及其机理
A test research on fatigue characteristic of asphalt mixture and it's application to the pavement design 沥青混合料变温疲劳性能及其在路面设计中的应用研究
In this paper, the fatigue characteristics of welded joints and components are analyzed, and the calculation methods of the fatigue characteristic are introduced, especially the method of geometrical stress is discussed. 分析了焊接件的疲劳特性,介绍了疲劳特性的计算方法,着重探讨了几何应力方法。
It has much more superior characteristic than that of other nonvolatile memories and so forth in terms of data transfer rate, fatigue characteristic, operating voltage etc. MFS存储器与其它不挥发性存储器相比在数据传输速率、疲劳特性和工作电压等方面有更大的优点。
Study on Ice-induced Fatigue Characteristic of Jacket Platform 导管架平台冰振疲劳特性研究
Object: fatigue characteristic and mechanistic of alloy Al-Mg-Si under multiaxial loadings were studied; 目的研究Al-Mg-Si合金在多轴比例和非比例载荷下的疲劳循环特性及其微观机理,为疲劳寿命估算公式的建立提供理论依据。
Energy Approach to Fatigue Characteristic of Steel Bridges Deck Asphalt Mixture Surfacing 用能量法分析钢桥面沥青混合料铺装体系疲劳特性
Vibration fatigue characteristic of compressor blades 压气机叶片的振动疲劳特性
He method for obtaining the fatigue characteristic curve and value by static tensile test is described and its reliability analyzed. 阐述了用静位伸试验数据获取疲劳特性曲线与特性值的方法,并分析了可靠性。
The fatigue life calculation is an important part in mechanical design. The method makes use of the factual stress and the practical fatigue characteristic of a comparable component or part. It is one of effective method in calculating fatigue life. 疲劳寿命计算是机械设计的重要步骤,而利用标称应力和可比构件或零件的实际疲劳特性这一疲劳分析方法是疲劳寿命计算的有效方法。
Research on the Fatigue Characteristic of Lime Slag Mixture 石灰增钙渣混合料疲劳特性研究
However, the fatigue characteristic of Ti alloy workpiece high-speed milled remains unclear, and this makes the high-speed milling technology difficult to further play to its advantages in aviation industry. 但是人们对钛合金高速铣削件的疲劳特性缺乏深入的了解,影响了高速铣削技术的优势在航空工业领域中得到进一步发挥。
According to the fatigue characteristic and shrinkage cracking, and then identify the range of seven days unconfined compressive strength, thereby, it guides future construction of cement stabilized crushed stone of great significance. 根据水稳基层的疲劳性能和收缩开裂确定了水稳基层7天无侧限抗压强度均值范围,对今后指导水泥稳定碎石施工具有重要的意义。