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material performance
相关语句
  材料性能
    The quantitative analyze of metallography is about how to determinately expressthe organization of metallography by measurable and calculable parameters, and find therelationship and ruler between material performance and these parameters.
    金相定量分析就是应用某些可以测量的参数或可计算的参数来准确地表征组织特点,寻找它们与金属材料性能之间的关系。
短句来源
    In the four basic factors on the intellectuali zation of sheet metal forming, the real-time identifica tion of the material performance parameter and the prediction of the optimum technological parameter are the two most complicated technical keys.
    在板材成形智能化控制的四个基本要素中,材料性能参数的实时识别及最优工艺参数的预测是最复杂的两个技术关键。
短句来源
    Taking the intelligence control of V-shape free bending of wide sheet metal as an object of study ,a feed front neural network model is used based on LM algorithm. By means of real-time monitoring and measure to identify the material performance parameter and predict the optimum technological parameter, and satisfied accuracy of convergence is achieved .
    以宽板V形自由弯曲智能化控制为研究对象,采用基于LM算法的前馈神经网络模型,通过实时监测量来实时识别所需的材料性能参数,并预测最优的工艺参数,取得了令人满意的收敛精度。
短句来源
  “material performance”译为未确定词的双语例句
    Design and Implementation of Measurement System for Ceramic Material Performance
    陶瓷材料特性检测系统的设计与实现
短句来源
    But corresponding material performance testing tool weren't perfect, so it has become a hot theme to develop a testing setting of multi-performance of multi-hole ceramic.
    生产空心砖需要大量的生态多孔陶瓷材料,但相应的多孔陶瓷材料的性能检测工具还很不完善。
短句来源
    By comparing material performance of cold rolled silicon, Permalloy and nanocrystalline alloy and analyzing the influence of all parameters to the performance of transducer, Permalloy is found to be the most suitable material for the transducer.
    并对目前通用的三种铁芯材料即冷轧硅刚片、坡莫合金和超微晶合金的性能进行比较 ,分析了各种参数对传感器特性的影响 ,得出采用坡莫合金为铁芯材料可以增强输出信号幅值 ,减少误差 ,利于补偿 ;
短句来源
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  material performance
Structural material performance has often limited the potential performance of space reactors.
      
The level and stability of the mechanical work generated by the material during low-cycle fatigue testing are considered criteria for the material performance and thus of the validity of the proposed optimization procedure.
      
As the demands for improved material performance and process economics increase, the aforementioned shortcomings become increasingly important.
      
Testing showed that the properties of welded 5182/5754 alloy pairs retained reasonably good formability compared to base material performance.
      
The thermoelectric power coefficient has been determined in this investigation to be a rapid and accurate measurement that can be used for microstructural assessment and correlated to achieve the maximum material performance of structural alloys.
      
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The on line monitoring of high voltage equipment is an important technique to ensure safe generation and transmission of electricity and finding out hidden trouble in a fimely manner. And the key to on line monitoring of high voltage equipment is the detection of divulge current. The structures of these two types of transducers, single circle passing through transducer(SCPTT) and multi circles serial transducer(MST) are analyzed. Because the signal of SCPPT is weak and its stability is unfavorable, MST is...

The on line monitoring of high voltage equipment is an important technique to ensure safe generation and transmission of electricity and finding out hidden trouble in a fimely manner. And the key to on line monitoring of high voltage equipment is the detection of divulge current. The structures of these two types of transducers, single circle passing through transducer(SCPTT) and multi circles serial transducer(MST) are analyzed. Because the signal of SCPPT is weak and its stability is unfavorable, MST is applied as the transducer is designed. By comparing material performance of cold rolled silicon, Permalloy and nanocrystalline alloy and analyzing the influence of all parameters to the performance of transducer, Permalloy is found to be the most suitable material for the transducer. According to the experiment data of LDHL-250 transducer, the performance of transducer is analyzed and most of the factors which influence the precision of transducer are identified. Furthermore, three methods used for error compensation, including decreasing circles, differential method and software method, are suggested.

电力设备绝缘在线监测技术已成为保证安全发电和供电、及时发现事故隐患、减少停电检修、提高供电可靠性的重要技术手段 ,高压设备绝缘在线监测的关键技术是泄露电流的采集 .为此分析了单匝穿芯式与多匝串入式传感器的结构原理 ,从变电所被测高压设备性能以及现场情况出发 ,阐述了单匝穿芯式传感器本身具有信号弱、稳定性差及难以长线传输等缺点 ,因此传感器设计时应采用多匝串入式 ;并对目前通用的三种铁芯材料即冷轧硅刚片、坡莫合金和超微晶合金的性能进行比较 ,分析了各种参数对传感器特性的影响 ,得出采用坡莫合金为铁芯材料可以增强输出信号幅值 ,减少误差 ,利于补偿 ;通过LDHL— 2 5 0型漏电流传感器试验数据 ,对传感器特性进行了分析 ;指出影响传感器精度的主要因素 ,并提出对传感器误差减匝补偿、差动补偿和软件补偿方法

This paper introduces the concept and features of high speed machining technology,analyzes the factors to affect the high speed and high accuracy machining for dies and on this base,puts forward the technical requirements of high speed NC machining and the function requirements of CAM software and finally introduces the applications of high speed and high accuracy machining technology in die-making.It is noted the high and new technology has a broad application prospect and is an essential machining technology...

This paper introduces the concept and features of high speed machining technology,analyzes the factors to affect the high speed and high accuracy machining for dies and on this base,puts forward the technical requirements of high speed NC machining and the function requirements of CAM software and finally introduces the applications of high speed and high accuracy machining technology in die-making.It is noted the high and new technology has a broad application prospect and is an essential machining technology to realize die-making with high quality and short production cycle.With continuous improving and perfection of NC machine performances and improving of tool and material performances as well as the continuous perfection of CAD/CAM softwares,the high speed and high accuracy machining technology shall become as a main NC machining technology for die-making in future.

介绍了高速加工的概念与特点,分析了影响模具高速度、高精度加工的因素。在此基础上,提出了高速数控加工的技术要求和对CAM软件的功能要求。最后介绍了高速度、高精度加工在模具制造上的应用。指出该高新技术具有广阔的应用前景,是实现模具制造高质量、短周期必不可少的加工技术,随着数控机床性能的不断提高与完善,刀具和材料性能的提高以及CAD/CAM软件功能的不断完善,高速度、高精度加工将成为未来模具制造的主流数控加工技术。

Due to the three-dimensional performance of 3-D braide d composites, coupled with the shortcomings of currently-adopted experimental m ethods, it is difficult to measure the internal parameters of materials, hence c auses it difficult to understand the material performance. To study the thermal performance of the 3-D braided composite, a method for measuring its internal m ulti-point thermal strain with co-braided in fiber Bragg grating sensor is res earched. To eliminate the temperature influence...

Due to the three-dimensional performance of 3-D braide d composites, coupled with the shortcomings of currently-adopted experimental m ethods, it is difficult to measure the internal parameters of materials, hence c auses it difficult to understand the material performance. To study the thermal performance of the 3-D braided composite, a method for measuring its internal m ulti-point thermal strain with co-braided in fiber Bragg grating sensor is res earched. To eliminate the temperature influence caused by the temperature change to the thermo-optic coefficient of the fiber Bragg grating, a method is used t o compensate the influence using another fiber Bragg grating at liberty. The rel ationship of the thermal strain of the braided composite and the temperature is obtained by experiments. Experimental results show that in the braided direction , the thermal expansion coefficient of carbon fiber/epoxy 3-D braided composit e is negative when the braided angle is comparatively small.

为研究三维编织复合材料的热特性 ,本文利用编入编织复合材料结构的光纤 Bragg光栅传感器来测量其内部多点热应变。为消除光栅自身温度受温度的影响 ,本文提出了用另一个自由状态光纤 Bragg光栅对其进行温度补偿的方法。通过实验获得了编织复合材料的热应变与温度关系曲线。实验结果表明 ,碳纤维 /环氧树脂三维编织复合材料结构的编织角较小时 ,在编织方向上的热膨胀率为负

 
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