The applicable scope of different cemented carbide hardness testing methods is as follows:
- Rockwell hardness test: suitable for measuring the hardness of heat-treated hard steel, nitrides, carburized smelts, bearing steel, tool steel and other soft and hard materials. It is a hardness test that is simple to operate and highly efficient. method.
- Vickers hardness test: It has a wide measurement range and can not only measure high-hardness materials, but also softer metals, plates, and strips. It is a hardness testing method with high accuracy.
- Brinell hardness test: It has a larger indenter and larger test force, resulting in larger indentations, so it can test a wider range of properties of the sample. It causes greater damage to the material surface and is not suitable for measuring finished products, but the measurement results are more accurate. It is suitable for measuring gray cast iron, bearing alloys and metal materials with coarse grains. It is not suitable for measuring the hardness of raw materials and semi-finished products.
- Microhardness test: suitable for measuring the hardness of cemented carbide surface coatings, hardened layers, etc., with high precision and spatial resolution.
- Shore hardness test: suitable for rapid hardness testing during the production process of cemented carbide, with faster testing speed and higher accuracy.
- Knoop hardness test: It is suitable for hardness testing of cemented carbide sheets, strips and other materials. The test results are stable and reliable.
To sum up, different cemented carbide hardness testing methods are suitable for different materials and scenarios, and the appropriate testing method needs to be selected according to the specific situation.
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