Risks and issues that may impact testing 可能会影响测试的风险和问题
Effects of EMMA and RPE on mechanical properties of RPE/ PVC blends were studied using micro-controlled electronic universal testing machine and electronic impact testing machine. 通过微控电子万能实验机、电子冲击实验机研究了EMMA和RPE对共混材料性能的影响。
Invention of Hydraulic System for the New Type Repeated Impact Testing Machine 新型多冲碰撞试验机的油路控制系统研制
Because the strength and the toughness value of materials can be reflected by the instrumented impact testing curve, the strength-toughness of materials are evaluated directly by means of this curve. 仪器化冲击曲线能以一种较为直观的方式对材料的强度和韧性指标进行反映,借助该曲线可以对材料的强韧性配合情况进行直接评估。
Application of Reference Test Pieces in Calibrating Impact Testing Machines 标准试样在冲击试验机检定中的应用
Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage Study on the hammer material and quality of the upright impingement crusher 复合材料静压痕与落锤冲击初始损伤对比试验立式冲击破碎机锤头材料和质量的研究
Using Load-time, Displacement-time and Load displacement Curve achieved by a Bar Impact Testing Machine determines dynamic fracture toughness KId and the groove opening displacement V for marble. 运用杆式冲击试验机加载获得载荷、位移张开量、以及载荷位移张开量的动态变化和互相关系,测定了两种岩石的动态断裂韧度、位移张开量。
In this paper, the acoustic impact testing method has been presented with two different excitation methods: the tap testing method and the acoustic impedance testing method. 依据激励方式的不同,本文分别从敲击检测以及声阻检测方法两个方面对声振检测方法进行了介绍。
Breakdown Voltage and ESD Protection of RF-LDMOS; Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage 射频LDMOS的击穿电压与静电保护复合材料静压痕与落锤冲击初始损伤对比试验
An instrumented Charpy impact testing system for evaluating material's dynamic performance 用仪器化的冲击试验系统评定材料的动态性能
The impact toughness of T91/ 10CrMo910 weld joints served in a power station for one year was analyzed by hardness testing, Oscilloscope Charpy impact testing, SEM fracture and metallographic structure analysis. 采用硬度试验、示波冲击试验、SEM断口分析、金相组织分析等,对电厂服役一年的T91/10CrMo910焊接接头的冲击韧性进行了分析。
Indoor single button impact testing shows composite buttons have excellent impact strength. 单齿抗冲击试验表明,这种复合齿具有良好的抗冲击性能。
In this paper, the Fourier method and corresponding code ( FFTDSP) for dispersion analysis in the bar is applied to the Split Hopkinson Pressure Testing System and the Bar Bar Tensile Impact Testing System. 将傅立叶弥散分析方法和程序(FFTDSP)应用于冲击拉伸和冲击压缩试验中,分析了输入杆和输出杆中波的弥散效应对试验结果的影响。
The design of dynamic strain impact testing apparatus of beam with equal strength and some important technique are introduced. 介绍了等强度梁动应变冲击试验测试仪器的控制系统设计和其中一些关键技术。
Basic conceptions of dynamical breakage and methods of impact testing of rock are introduced, different pills and impact pressure are studied, stress and strain in impact testing are measured, and some benefit conclusions are gived. 介绍了岩石动力破坏的基本概念和冲击试验的方法,研究了不同弹体与碰撞压力的关系,进行了冲击试验时试件的应力-应变测量,通过分析得到了一些有益的结果。
The article introduced the basic construction and principle of the RPSW/ A pendulum instrumented charpy impact testing machine systematically. 论文系统介绍了RPSW/A摆锤示波冲击试验机的基本结构及工作原理。
Control System of Dynamic Train Impact Testing Apparatus of Beam with Equal Strength 等强度梁动应变冲击试验测试仪的控制系统
And then, on the foundation of fully understanding the actuality and the latest technology of the instrumented charpy impact testing machine, we had the testing system hardware being replaced by high-speed multifunction PCI data acquisition card, approach transducer and standard PC. 在充分了解国内外示波冲击试验机现状及采用的最新技术的基础上,用多功能高速PCI数据采集卡、接近传感器和标准PC计算机替代了原设备的测试系统硬件。
The development of a high-speed impact testing instrument 一种高速冲击测试仪的研制
German AG company, with the help of erosive abrasion tester, tested the wear abrasion rate on different abrasion-resistant materials through different erosion angles, velocities and mass flow impact testing samples in different mixing ratio and compared all the abrasion data for analysis. 德国AG公司使用冲蚀磨损试验装置,以不同的冲蚀角、不同的冲蚀速度和不同混合比的料流冲击试验样,测试了不同耐磨材料的磨损率;并对磨损数值进行了分析比较。
Bar-bar tensile impact testing apparatus was used to study mechanical behavior of 20# steel at different strain rates. From the stress-strain curves obtained, it is found that the strain rate effect is distinct. 利用旋转盘式间接杆杆型冲击拉伸试验装置对20号钢进行了三个应变率的冲击拉伸试验研究,得到了材料在不同应变率下的应力应变曲线。
The Research and Design of the Impact Testing Machine for the Micro miniature Shock Absorber 微小型减振器用冲击试验机的设计与研究
The most difficult part in this system is to design the loading mechanism of impact fatigue testing machine as the automatic mechanism impact testing has high requests for the amplitude, width and frequency of impact pulse. 由于自动机冲击疲劳实验对冲击脉冲幅值、幅宽和频率均有严格要求,作为实验机主机关键部件的加载机构是本文的难点之一。
Charpy impact test is generally used to measure the impact toughness of materials. But the physical meaning of impact energy measured by traditional impact testing machine is not clear. 夏比冲击试验长期以来被广泛应用于评价材料冲击韧性的优劣,但是传统冲击试验机测定的冲击功物理意义不明确,不能表征金属材料的冲击韧性。
The study design a multidimensional, fast data storage measurement system on basis of analysis the traditional methods of traditional impact testing measurement methods. 本课题在对传统冲击测试的方法进行深入分析的基础上,设计了一种多自由度、快速数据存储的测量系统。
The article discussed the study of wheel impact testing machine with modern control theory based on the configuration technology. 本文论述了基于组态技术,应用现代控制理论对车轮冲击试验机的研究。