Full explanation about tungsten carbide without magnetic properties

I. Introduction

In the rapidly developing modern industry, tungsten carbide without magnetic properties, as an outstanding hard alloy, shows a wide application potential in many industries due to its unique properties of no magnetization, extremely high hardness and excellent wear resistance. In this article, we will comprehensively and deeply discuss the definition, production process, characteristics, applications and processing methods of tungsten carbide without magnetic properties to provide readers with a comprehensive and detailed introduction.

II. Determination of tungsten carbide without magnetic properties

Tungsten carbide without magnetic properties, briefly called non-magnetic alloy, is a tungsten carbide material that is not magnetized in a magnetic field. Its magnetic permeability is much lower than that of air, so it has outstanding non-magnetic properties. This material is mainly composed of alloying elements such as WC-Ni-Cr-Ta-Ti-VC and is fabricated by powder metallurgy by vacuum sintering at high temperature from 1300 to 1450°C. It should be noted that its alloy does not contain iron, cobalt, nickel and other magnetic substances, which ensures the stable manifestation of its non-magnetic properties.

III. Technological process of tungsten carbide production without magnetic properties

The process of producing tungsten carbide without magnetic properties is meticulous and precise, and includes the following key steps:

1. Preparation of raw materials: accurate weighing and mixing of raw materials such as WC, TiC, TaC, Co, VC in appropriate proportions to ensure uniform composition.
2. Crushing and drying: thorough crushing of mixed raw materials and complete removal of moisture by drying.
3. Screening and molding: sieving of dry powder, addition of molding agent, re-drying and subsequent pressing to form a preform.
4. High-temperature sintering: placing the billet in a vacuum furnace for sintering at high temperature and pressure, obtaining a dense tungsten carbide product without magnetic properties.
5. Quality control: applying advanced techniques such as non-destructive ultrasonic inspection to strictly control the quality of the sintered product and ensure its superior quality.

IV. Unique characteristics of tungsten carbide without magnetic properties

Tungsten carbide without magnetic properties stands out for its unique characteristics, which are manifested in the following aspects:

• No magnetic properties: not magnetized in magnetic field, magnetic permeability is extremely low, excellent non-magnetic properties.
• High hardness: hardness range is typically 88.0 to 92.5 HRA, can be adjusted depending on application requirements.
• High bending strength: due to vacuum sintering at high temperature and pressure, it has outstanding bending strength.
• Long service life: due to its high hardness and bending strength, molds and other tools made of it have a long service life.
• Excellent machining characteristics: during processing, it is not prone to burr formation on the mold walls, deformation of the mold cavity and powder adhesion, which ensures dimensional accuracy and surface quality of the product.

V. Wide applications of tungsten carbide without magnetic properties

Due to its unique characteristics, tungsten carbide without magnetic properties is widely used in many industries:

• Precision manufacturing: is the preferred material for making high precision products such as nozzles for battery molds, tungsten and molybdenum grippers, glass cutters, etc.
• Electronic products: applicable for electronic products requiring no or low magnetic properties such as inductance coils, transformers, relay cores, etc.
• Medical equipment: plays an important role in medical equipment such as magnetic resonance imaging (MRI), avoiding influencing the diagnostic results.
• Military and aerospace industry: has important applications in the defense industry, e.g. for the manufacture of special protective layers with high magnetic permeability that do not interfere with magnetic forces.
• Other areas: also widely used in watchmaking, construction, electric power, electronics, chemical industry, rail transportation, metalworking and many other industries.

VI. Methods of tungsten carbide processing without magnetic properties

Tungsten carbide without magnetic properties, as a material with high hardness, requires professional machining techniques:

• Mechanical processing: using cutting tools made of superhard materials such as diamond for milling, turning and drilling, it is necessary to control the machining speed to protect the tool and ensure the quality of the machined surface.
• Electrospark treatment: applicable for making small holes or contours, it is necessary to precisely control the machining speed and energy to avoid deformation of the steel or alteration of the surface quality.
• Laser treatment: can be used for cutting, drilling holes and surface treatment, it is necessary to strictly control the heating time and speed to maintain hardness and prevent deformation.
• Other processing methodsThe following options are available: chemical processing, plasma cutting and ultrasonic processing, can be flexibly selected according to specific needs.

VII. Conclusion

Tungsten carbide without magnetic properties, as a representative of high-performance hard alloys, demonstrates its indispensable application value in many fields. Its unique properties of no magnetic properties, high hardness and wear resistance make it an ideal choice for manufacturing high-precision and high-quality products. With the continuous progress of science and technology and the rapid development of industry, the application prospects of tungsten carbide without magnetic properties will become even broader, bringing innovation and breakthroughs to many industries.