您要查找的是不是:
- rotating bar impact fatigue test 转杆式冲击疲劳试验
- The impact fatigue tests show that the tufftride process has a bad influance on impact fatigue properties of materials. 同时,冲击疲劳试验表明:软氮化处理使冲击疲劳性能劣化,这是因表面硬化层约束了柔软心部,使整体材料的韧性变差的结果。
- Development of a System for Repeated Impact Fatigue Test 多冲碰撞疲劳试验系统的研制
- Internal Pressure Measurement for Thick Wall Cylinder In Impact Fatigue Test 带内裂纹厚壁圆筒管冲击疲劳实验中内压测定技术
- track impact fatigue testing machine 轨道冲击疲劳试验机
- impact fatigue test 冲唬劳试验,冲击疲劳试验
- Study on Rotary Reversal Valve in Variation Frequency and Variation Distance Repeated Impact Fatigue Testing Machine 变频变行程多冲碰撞疲劳试验机中旋转式换向阀的设计研究
- By fatigue test of bolt material,the stress-strain life curve is obtained. 通过螺栓材料的疲劳试验,获得了材料的应力应变寿命曲线;
- Conduct material Fatigue Testing and Thermal stress test. 进行材料疲劳测试和热应力测试。
- The pattern of fracture by impact penetration test and tensile fatigue test of thermite welding with stereoscan was observed,and the component of defect with energy spectrum was analyed. 结果表明:微观缺陷主要包括微孔和夹杂,其中微孔由微气孔和微缩孔组成,夹杂物按形态和尺寸分为团簇状夹杂、锥状夹杂、粒状夹杂、积聚物夹杂、丝状夹杂和混合形夹杂。
- impact fatigue testing machine 冲击疲劳试验机,冲唬劳试验机
- The modifying effects of polyacryamide on flexural fatigue property and flexural toughness of concrete bridge deck overlay is studied by strength test, impact test, flexural fatigue test and so on. 通过强度试验,冲击试验和弯曲疲劳试验,研究了聚丙烯酰胺对混凝土桥面铺装层弯曲疲劳特性与韧性的改性效果,建立了聚丙烯酰胺改性混凝土的弯曲疲劳寿命方程。
- The reason of the increase of the impact fatigue life at normalizing and low temperature tempering was discussed. 分析了多冲疲劳裂纹扩展的行为,讨论了正火低温回火提高冲击疲劳的原因。
- Based on the program load spectrum, intensified fatigue test for rearaxleare made. 在编制程序载荷谱的基础上,对后桥壳体进行了强化疲劳试验。
- The repeated low|energy impact fatigue resistance and abrasiveness of cross rolled 1.85%C | 5.86%Cr medium chromium semi steel have been studied. 通过落球和冲击磨损试验 ;研究了斜轧 1.;85%25C、5
- The method of correlation factor is an effective method to loads transacting of the fatigue test of airplane structure. 相关系数法是一种有效的飞机疲劳试验载荷处理方法。
- In order to overcome such problem, a new technique named as VFT (Virtual Fatigue Test) has been offered in this paper. 为了克服这两个难点,论文提出了基于虚拟样机理论的“虚拟疲劳试验”技术。
- A study has been made of low-cycle impact fatigue behaviours of aluminium and duralumin including cyclic stress-strain behaviour,cyclic hardening(softening) and fatigue life. 报导工业纯铝和硬铝在常规低周疲劳和低周冲击疲劳载荷下的力学行为,包括应力应变回线、循环硬(软)化及疲劳寿命等。
- Fatigue test is done on medium carbon steel specimens with small surficial pre-cracks and single-edge pre-cracks. 采用带有微小表面预制裂纹和边缘预制裂纹的中碳钢试验片进行了疲劳实验。
- A study has been performed relating to the micromechanisms of cyclic deformation in polycrystalline copper and aluminium under low cycle impact fatigue (LCIF) loading. 对面心立方结构多晶纯铜和纯铝在低周冲击疲劳载荷下循环形变的微观机制进行了研究。