因此,对于高硬度,布氏硬度计和维氏硬度计或洛氏硬度计的检测值之间的关系就会受到所采用的球体的影响。
At high hardness, therefore, the relationship between Brinell and Vickers or Rockwell scales is affected by the type of ball used.
力学性能测试结果表明,随着烧结温度的升高,70W_2B_5/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.
对原始组织为马氏体的冷轧15钢在CS - IB型六面顶压机上进行了高压热处理,测量试样的维氏硬度。
The martensitic steel 15 was heat treated under high pressure in the CS-IB type hexahedron anvils press. The Vickers hardness of the sample was measured.
材料表面维氏硬度试验压痕区域用数字图像处理技术自动准确提取是一个技术难点。
To get the impress region of the Vickers hardness test exactly using the common digital image processing techniques, this paper introduces a strategy for the analysis.
分析了两种PD3钢轨钢在固定荷载循环条件下不同寿命阶段试样理论应力最大处的维氏硬度的演化。
The rigidity's evolvement of the two kinds of PD3 rail steel at different stage of life is analyzed.
在理论研究的基础上,本文的第四部分中设计了一个机器视觉维氏硬度自动检测系统。
In the fourth part, a Vickers hardness auto measuring system is developed based on machine vision.
说明了维氏硬度压痕法是一种测定表面开裂敏感性简便易行的方法。
This test shows that it is a simple and non-destructive method to determine surface brittle cracking sensitivity by Vicker′s hardness method.
根据我国具体的生产实际情况,有必要建立我国自己的淬硬高速钢洛氏硬度和维氏硬度换算的标准。
According to real production case of our country, it is necessary to establish the standard about the conversion tables on hardness and strength of hardened high speed steel.
只有维氏硬度试验可以使所有金属建立起连续一致的维氏硬度标度,但原试验手段效率低。
The hardness of all metals samples can be continuously established with the same scale by Vickers hardness test. But the test methods are inefficient.
电镀薄片可以用来制备光学显微镜、扫描电镜及透射电镜的观察样品,而且可以用来进行粉末的热片进及业余末的显微维氏硬度测试等实验。
The plated sheet can be used to prepare the specimen for optical microscopy, SEM and TEM, it can also be used for the heat-treatment and the microhardness test of the powders.
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。
The vickers hardness and nitriding surface fulfill requirements, and also improves the machining quality of the products.
该系统可自动测试转向器齿条的里氏硬度,可转换成相应的洛氏、布氏、维氏值,并按生产要求自动进行分选。
The system can automatically measure Riss hardness of steering gear rack, and then transform it into corresponding Rockwell, Brinell and Vickers hardness.
同时用维氏硬度计测量了合金的时效硬度变化。
The hardness was measured before and after the ageing treatment.
室温下使用维氏硬度计研究了硅单晶表面的接触损伤及硅单晶中杂质对表面损伤的影响。
The contact damage and fracture property of silicon single crystal are investigated at room temperature by indentation, as well as the influence of the intended and unintended impurities.
维氏硬度测试结果显示,出现在愈合区的铁素体组织维氏硬度高于基体区铁素体组织,可能原因是愈合区中出现的多边晶块结构所引发的强化。
Vickers hardness test showed that the hardness of ferrite in healing area is higher than that in matrix, which may result from the strengthening of polyangular grains.
测试表面维氏硬度,计算断裂韧性。
Surface Vickers hardness and fracture toughness were measured.
通过对高碳钢丝上的能量加载情况进行分析,并利用扫描电镜、维氏硬度仪等检测手段对涂层进行研究。
The energy loading processes on the high-carbon steel wires were analyzed, while the coating properties were tested by SEM, Vickers hardness instrument and other detection means.
HV - 5型小负荷维氏硬度计是光机电一体化的高新技术产品,采用计算机软件编程,光学测量系统。
HV-5 Vickers hardness tester is optical and electrical integration of high-tech products, the use of computer software programming, optical measuring systems.
综合力学性能分析主要包括低温冲击试验、维氏硬度试验、室温拉伸试验和弯曲试验。
The comprehensive mechanical properties analysis mainly includes Cryogenic impact test, Vickers hardness test, the Tensile testing at ambient temperature and the Bending test.
维氏硬度别试;
金相抛光后试样进行显微维氏硬度测量。
After grinding and polishing, test micro-Vickes's hardness of all specimens.
在维氏硬度仪上测试断裂韧性和硬度。
Their fracture toughness and hardness were determined with Vicker's indentation test machine.
本实验室配备有万能材料试验机、材料力学特性计算机分析系统、光学布氏、洛氏、维氏硬度计。
The laboratories are equipped with universal metal material testing machine, the analysis system of the mechanical performance of metal materials, optical Brinell, Rockwell, Vickers hardness tester.
型小负荷维氏硬度计是光机电一体化的高新技术产品,采用计算机软件编程,光学测量系统。
HV-5 Vickers hardness tester is optical and electrical integration of high-tech products, the use of computer software programming, optical measuring systems.
合金截面的小负荷维氏硬度出现由高变低再由低变高的规律性变化, 与合金内部微观组织结构的变化相对应。
Vickers hardness (HV2) along the gradient changes regularly from high to low, then from low to high, corresponding to the microstructure change in the alloy.
它可用于测试金属的维氏或努氏硬度,通过把测量的对角线值输入到一体化计算器,从而计算出硬度值。
It can be used to test the metal Vicker's or Knoop's hardness, through the diagonal measurement of the value of integration into the calculator, thereby calculate the hardness value.
本文主要从四个方面对维氏硬度测量系统进行了研究和介绍:维氏硬度计原理、图像采集、压痕图像处理和系统实现。
They are the principle of Vickers hardness, image acquisition, image processing of the image of indentation, and the implementation of Vickers hardness testing system.
通过对金属维氏硬度试验的不确定度的分析与计算,介绍一种维氏硬度试验不确定度的评定方法。
Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work.
通过对金属维氏硬度试验的不确定度的分析与计算,介绍一种维氏硬度试验不确定度的评定方法。
Method of measurement uncertainty evaluation for Brinell hardness test results was introduced in the present work.
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