维氏硬度

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  • Vickers hardness;diamond pyramid hardness
维氏硬度维氏硬度
  1. 一种简单的洛氏C硬度与维氏硬度相互换算数学公式

    A Simple Conversion Formule of HV and HRC mutual

  2. 基于SUSAN算法的维氏硬度自动测量

    SUSAN Algorithm Based Automatically Measurement of the Vickers Hardness

  3. 通过激光Raman光谱、维氏硬度、针盘试验和电化学腐蚀等测试手段分别表征了合成薄膜后试样表面的化学组成和微观结构、显微硬度、摩擦磨损性能和抗腐蚀性能。

    The as-deposited films are characterized with Raman spectra , micro-hardness , pin-on-disc and anode polarization curve tests .

  4. 薄膜的维氏硬度高达4500Kg/mm~2,c&BN膜与Fe衬底的附着力也令人满意。

    The hardness of the films can reach 4500Kg / mm2 , the adhesion for c-BN film and substrate Fe is satisfactory .

  5. 双相结构功能梯度WC-Co合金的微观组织结构与小负荷维氏硬度

    Microstructure and Vickers hardness of functionally graded WC-Co cemented carbide with dual phase structure

  6. FSW接头的维氏硬度分布近似为W形和V形(LD10)。

    The shapes of micro-hardness distribution of FSW joints are approximately W and V ( LD10 ) .

  7. W2B5含量的增加,使复合材料的室温力学性能大幅度提高,2000℃结的70W2B5/C复合材料抗弯强度、断裂韧性和维氏硬度分别达到786MPa、9MPa·m~(1/2)和12.25GPa。

    The room temperature mechanical properties of the composites are largely improved with increasing W_2B_5 content .

  8. 测定了两组共13种工业用钢从室温到700℃的维氏硬度(H)。

    The Vickers hardness ( H ) of thirteen industrial steels divided into two groups at the temperatnre ( T ) from the room temperature to 700 ℃ was exam - ined .

  9. Nb的加入使界面扩散区的显微维氏硬度提高近50%,金属Ti侧的显微维氏硬度提高60~80%。

    The Micro-hardness of the interfacial zone and Ti zone improved with the content of Nb increasing and interfacial zone hardness was enhanced approximately 50 % .

  10. 而SiCp/Y112铝基复合材料的维氏硬度明显高于基体的维氏硬度,并随着SiC颗粒的体积分数的增加其复合材料的维氏硬度不断提高。

    In the meantime , the vickers hardness of SiCp / Y112 aluminium matrix composite can be continuously enhanced with an increasing of volume fraction of SiC particles .

  11. 分别采用SEM、XRD、电化学分析系统和维氏硬度计分析了试样的转化膜形貌、物相、耐蚀性以及膜厚和硬度。

    The morphologies , surface phases , corrosion resistances , thickness and hardness of the films were analyzed by SEM , XRD , electrochemistry system and micro-hardness test respectively .

  12. 采用XRD、DSC和显微维氏硬度计等实验手段系统研究了塑性变形行为对大块非晶合金Zr55Cu30Al10Ni5的结构、热稳定性和硬度值的影响。

    The influence of plastic deformation behavior on the structure , thermal stability and micro-vickers hardness has been systematically investigated by XRD , DSC and micro-Vickers sclerometer .

  13. 加入助烧剂(Al2O3+Y2O3)之后,抗弯强度随SiC含量增加而增大,弹性模量、断裂韧性和维氏硬度都呈现先增大后减小的趋势。

    As for the composites with sintering additives , their bending strength increase with more SiC , but elastic modulus , fracture toughness and hardness increase and then decrease .

  14. HA陶瓷的力学性能受致密度的控制,相对密度高,则其维氏硬度和抗弯强度也高。

    The Vickers hardness and bending strength are high if the relative density is high , showing that the mechanical properties of HA ceramics are highly depend on the density .

  15. 研究表明,该材料具有良好的力学性能;材料的抗弯强度、断裂韧度和维氏硬度均服从Weibull分布,力学性能的变异系数小,性能稳定;

    It is shown that the material possesses good mechanical properties and its flexure strength , fracture toughness and Vickers hardness well obey Weibull distribution .

  16. 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。

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

  17. 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。

    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 .

  18. 研究了Ni3AlXCr、NiAlXCr二个系列合金的显微组织与结构,并对合金的导电率、维氏硬度和三点弯曲性能进行了测试。

    The microstructure and some properties , such as electrical conductivity , vickers hardness and three point bend strength of Ni-Cr-Al alloys were investigated .

  19. 借助维氏硬度的测量及透射电镜(TEM)的观察和分析,系统地研究了Al-3%Cu合金和Al-3%Cu-0.3%Sc合金在150、200、250、300、350、400℃的时效硬化和析出行为。

    Age-hardening and precipitation behaviors of Al-3.0 % Cu alloy and Al-3.0 % Cu-0.3 % Sc alloy at 150,200,250,300,350 and 400 ℃ were investigated by measuring of Vickers-hardness and observation of transmission electron microscopy ( TEM ) .

  20. 本文借助XRD、SEM等分析手段,从试样的白度、吸水率、收缩率及维氏硬度的变化情况探讨了透辉石的掺加对瓷质砖瓷化性能的影响。

    The whiteness , water absorption , contraction and hardness of the samples with varied amount of diopside addition have been tested . Effect of diopside addition upon the properties of porcelain tile has been studied by XRD and SEM analysis .

  21. 力学性能测试结果表明,随着烧结温度的升高,70W2B5/C复合材料的断裂性与维氏硬度均增加。

    The mechanical properties results show that the fracture toughness and Vickers hardness of the 70W_2B_5 / C composite increase with the sintering temperature .

  22. 焊核区的晶粒尺寸和对应的维氏硬度和屈服强度分别符合Hall-Petch关系。

    Variations of both micro-hardness and yield strength of the nugget zone with grain size followed the Hall-Petch relationship .

  23. 使用金相显微镜和扫描电镜观察CLAM钢焊接接头微观组织;使用维氏硬度计、拉伸试验机和冲击试验仪对焊接接头进行硬度及力学性能测试。

    Microstructure and carbide distribution of weld joint were observed by metalloscope and SEM . Hardness and mechanical properties were tested respectively in hardness test , tensile test and impact test experiments .

  24. 通过对190℃时效不同时间的含钪和不含钪AlLi合金维氏硬度测量和合金中强化相析出行为的透射电镜观察,研究了钪对铝锂合金时效硬化行为的影响。

    The effect of scandium on the age-hardening behavior of Al-Li alloy was investigated by measuring the Vickers hardness of Al-Li alloys with and without scandium aged at 190 ℃ for different time and observing the precipitation of strengthening phases in the alloys using transmission electron microscope .

  25. 膜的硬度随B4C含量增加而增大,最大显微维氏硬度达到35GPa。

    The micro Vickers hardness of the deposited films increases with the increasing of B_4C content , and the maximum hardness of 35 GPa is obtained .

  26. 在纯钛中加入Mo元素制成二元Ti-Mo合金,测定了Ti-Mo合金的密度、维氏硬度、抗压强度、弹性模量及抗弯强度等性能。

    The density , Vickers hardness , compressive strength , elastic modulus and bending strength of the Ti-Mo alloy were examined by adding Mo into pure Ti to prepare the binary alloy .

  27. 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。

    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 .

  28. 在1700℃的烧结温度下,当纳米Al2O3颗粒含量达到30wt%时,试样密度,维氏硬度和断裂韧性达到最高值3.92/cm3,23.2HV/GPa和4.21Pa·m1/2。

    In 1700 ℃ sinter temperature of the particles that Al2O3 content reaches 30wt % , the sample density , the hardness and fracture toughness to the highest value 3.92 / cm3,23.2 HV / GPa and 4.21 Pa · m1 / 2 .

  29. 用光学显微镜观察了采用两步法工艺制备的双相结构功能梯度WC-Co硬质合金的微观组织结构,并测量了其小负荷维氏硬度。

    The microstructure of functionally graded WC-Co cemented carbide with dual phase structure prepared by so-called two-step technique was observed by metallography . Vickers hardness ( HV2 ) along the gradient was tested by micro-hardness tester .

  30. 高温模拟试验结果表明,试验材料的维氏硬度值和热处理参数P基本上是线性关系,说明Larson-Miller参数方程对镍基复合材料的寿命设计具有一定的适用性。

    The simulation results show that the Vicker ′ s hardness of the tested materials is approximately proportional to the heat treatment parameter P , which indicates that the Larson-Miller function is applicable for the life-span design of C_f / Ni composite .