vickers hardness的例句大全

Compared to the normal wire drawing technology in room temperature, the cryogenic wire drawing technology showed remarkable effect: tensile strength was improved nearly 400 MPa, micro vickers hardness was enhanced 74 HV 4.9N, in the meanwhile, toughness was almost changeless.

研究表明，在相同的拉丝条件下，与常温工艺相比，深冷工艺能大幅度提高钢丝的综合力学性能。抗拉强度进一步提高近400MPa，显微硬度进一步提高74HV4.9N，而抗扭次数及伸长率基本不变。

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By using Spark atomic emission spectrometer, Plasma spectroscopy, X-ray diffraction, Optical microscopy and SEM, the changes of composition and microstructure were measured. By using Tensile specimen machine and Vickers hardness tester, mechanical properties were measured.

用火花原子放射光谱仪、等离子体光谱仪、X-Ray衍射仪、金相显微镜、场发射扫描电镜等手段测定了试样成份、显微组织和结构，用拉伸试样机、维氏硬度计测定了试样的力学性能。

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Precipitation behavior of 7050 aluminium alloy has been studied by transmission electron microscopy and Vickers hardness tester after retrogression and reaging ( RRA) treatment.

采用TEM和维氏硬度计研究了回归再时效（RRA）处理对7050铝合金的影响，对处理后合金试样的强度和伸长率进行了测试，并对试样断口在SEM下进行了观察。

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Automatically Analyzing the Impress Image of Vickers Hardness Test Using Wavelet

维氏硬度试验压痕图的小波分析与自动计算硬度

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And the measured uncertainty in Vickers hardness testing was evaluated according to procedure without bias method and procedure with bias method.

利用无偏差估计方法和考虑硬度计偏差的方法对维氏硬度试验中的测量不确定度进行了评定。

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the vickers hardness exhibits a linear increase and the relative density increases too.

复合材料的硬度呈直线增加，相对密度也增大。

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The influence of secondary ageing on the mechanical properties of 7055 Al alloy was investigated on the basis of Vickers hardness measurement, tensile test and Kahn tear test.

利用维氏硬度和拉伸力学性能测试、Kahn撕裂试验等方法，研究二次时效对7055铝合金力学性能的影响。

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comparison and evaluation the evenness degree of vickers hardness test blocks of china and usa

中、美维氏硬度块均匀度的对比评估

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thus we achieve the measurement of the vickers hardness with great efficiency and automatization.

该方法可以对显微组织维氏硬度试验压痕准确地提取，并自动计算维氏硬度，从而实现了维氏显微硬度测量的高效率与自动化。

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improving compaction pressure can increase the density and vickers hardness of sintered ceramics.

随着粉料成型压力的升高，烧结后瓷体的密度及维氏硬度均增大；

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investigation of relationship between instrumented indentation hardness and vickers hardness

仪器化压入硬度与维氏硬度的关系研究

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metallic materials& vickers hardness test

GB/T4340-1984金属维氏硬度试验方法

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method indentation method was used, and the vickers hardness of four groups of the new developed ceramic were recorded.

方法采用压痕法测定4组新型陶瓷的维氏硬度。

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hardness distributions of welded joints are tested on the vickers hardness tester.

并在维氏硬度仪上测试了焊接接头的硬度分布。

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study on shape regularity of vickers hardness impresses

对维氏硬度压痕形状的研究

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the vickers hardness and nitriding surface fulfill requirements, and also improves the machining quality of the products.

主轴锥孔的维氏硬度和氮层深度均达到要求，提高了产品的加工质量。

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test method for vickers hardness of high performance ceramics

GB/T16534-1996工程陶瓷维氏硬度试验方法

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measurement and analysis on vickers hardness of engineering ceramic materials

工程陶瓷材料维氏硬度测定及分析

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vickers hardness measurement by using digital image wavelet multi-resolution analysis

应用数字图像小波多分辨率理论测试维氏硬度

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prediction of ceramics vickers hardness based on bp neural network

基于反向神经网络的陶瓷材料Vickers硬度预测

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