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Is Cemented Carbide the Same as Tungsten Carbide?
When it comes to commonly used materials in various industries, cemented carbide and tungsten carbide are frequently mentioned. However, many people mistakenly assume that these two terms are interchangeable. In reality, there are significant differences between them. In this article, we will explore the distinctions between cemented carbide and tungsten carbide, shedding light on their unique properties and applications.
Cemented Carbide: An Overview.
Cemented carbide, also known as hard metal, is a composite material that consists of a carbide phase (typically tungsten carbide) and a metallic binder phase (usually cobalt). This combination results in a hard and durable material with excellent wear resistance, high strength, and good heat resistance. The term "cemented" refers to the process of adding a binder to hold the carbide particles together.
Tungsten Carbide: An Overview.
Tungsten carbide, on the other hand, is a specific type of carbide that consists of tungsten and carbon atoms. It is known for its exceptional hardness, making it one of the toughest materials available. Tungsten carbide is often used as a raw material in the production of cemented carbide due to its remarkable properties, but it is not cemented carbide itself.
Differences Between Cemented Carbide and Tungsten Carbide.
1. Composition:
Cemented carbide is composed of tungsten carbide particles bonded with a metallic binder, typically cobalt. Tungsten carbide, on the other hand, is solely composed of tungsten and carbon atoms.
2. Hardness:
Tungsten carbide is extremely hard, ranking around 9 on the Mohs scale of hardness, with diamond being the only material harder. Cemented carbide, though hard, is not as hard as tungsten carbide.
3. Applications:
Tungsten carbide is widely used in various industries, including mining, construction, metalworking, and oil and gas exploration. It is favored for its hardness and ability to withstand high temperatures. Cemented carbide, with its wear resistance and strength, is commonly used in cutting tools, such as drills, milling cutters, and inserts.
4. Production Process:
The production of cemented carbide involves a powder metallurgy process. Tungsten carbide powder and a binder material are mixed together, compacted into the desired shape, and then sintered at high temperatures. Tungsten carbide, on the other hand, is produced by heating tungsten and carbon in a furnace.
Closing Paragraph.
In conclusion, cemented carbide and tungsten carbide are distinct materials, despite their close association. While cemented carbide is a composite material consisting of tungsten carbide particles and a metallic binder, tungsten carbide is a pure compound of tungsten and carbon. Understanding the differences between the two is crucial when it comes to selecting the right material for specific applications. Whether it is for cutting tools or other industrial purposes, consult with experts in the field to ensure the optimal choice for your needs. For more information, feel free to contact us.
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