An Introduction to Hardness Testing

One of the most widely used testing procedures worldwide is known as hardness testing, which is required in a vast variety of applications, including automotive, aerospace, and university laboratories. In these different environments, hardness testing is used for researching new materials and standardizing material properties. This is key to the success of any given component or sub-assembly within the automobile and aircraft industries.

Image credit: Kemet International

It is imperative that coatings and case hardness treatments can prove they are as hard as specified and that there is a match between the depth of the hardened structural layers and its intended application.

有多种机器可满足这些无数申请需求。但是,所提供的选项还可能使必须在不同功能和软件的众多选项之间做出决定的用户感到困惑。

Kemet has often found the cost of a hardness tester to be significantly greater than a complete suite of Kemet machines necessary to prepare a sample forhardness testing,由于他们提供的事实样品准备设备和消耗品2020欧洲杯下注官网超过三十年。

The choice of hardness tester, however, does not need to be complicated for most applications. ISO and ASTM standards dictate how the testing is performed, including how a unit calculates sample hardness and how they must be calibrated.

Kemet has launched the Duroline range of hardness testers. This line features a benchtop design capable of Vickers and Knoop measurement, with an integrated 22-in full HD multi-touch monitor.

The testers are easy to use, theN- Sure软件包是直观的,并且与自动X/Y阶段选项相结合时,便拥有自动多测量的能力。

该软件具有内置的CHD,EHT和NHT测量值,得益于自动对比度,并为最准确的结果和自动生成测试报告提供了高度准确的结果。HV0.01 - HV30的测试负载可容纳多种型号。

Image credit: Kemet International

杜罗林R系列硬度测试仪的理想选择,质量控制,进行研究等等,也适合冶金部门,以监测制造过程中的硬度,并在热处理或焊接后进行硬度。

杜罗林R系列硬度测试仪也可以用于对新合金和金属零件的性能分析。典型的应用包括评估金属组件和钢合金的洛克韦尔硬度,大块或小切割样品,球形或圆柱形零件,管道,曲轴,曲轴,大齿轮,环,环和表演jominy测试。

Doroline系列主要针对材料测试实验室和较小的组件生产质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量质量,材料或电线涂料,并具有用户可能需要的一切。

Can Hardness Testing be Non-Destructive (NDT)?

硬度测试当然可以无损,但这取决于所测试的材料和应用。如果对原材料(例如怀或铸件)进行硬度测试(这两者都需要进一步处理以消除材料的凹痕),则可以欧洲杯足球竞彩将其归类为non-destructive testing (NDT). However, this same hardness testing is considered destructive if performed on a critical turbine blade for aerospace NDT.

为什么硬度测试很重要?

Hardness testing is an essential tool in analysis. It is, therefore, vital for distinguishing between different materials, the development and improvement of materials and technologies within materials science, and materials engineering and diagnostics. Hardness testing is a tool that allows the user to determine the characteristic values of materials, which is important to assess material use in industries (such as the suitability of a material for a technically relevant part), for clarification of cases of damage (damage analysis) and to distinguish between materials (in the case of material confusion).

此信息已从Kemet International Ltd提供的材料中采购,审查和改编。欧洲杯足球竞彩

For more information on this source, please visitKemet International Ltd.

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