What is mechanical wear?
Mechanical wear is one of the most common and damaging phenomena that occur during the use of materials and components in many industrial sectors. Whether it is an engine, a machine or part of a production line, material wear is an inevitable process that can compromise performance and durability. The definition of wear describes this phenomenon as the deterioration of materials caused by friction, and the interaction between moving surfaces. Wear is not just about the simple consumption of surfaces, but also the impact this process has on the functioning and reliability of components.
Types of mechanical wear
Mechanical wear is not a single phenomenon but manifests itself in different forms depending on the operating conditions and the materials involved. Among the main types of wear are:
Adhesive wear
Adhesive wear occurs when two moving surfaces come into contact and a small portion of material is transferred from one surface to the other. This type of wear is particularly common when the contact surfaces are made of similar materials, which tend to ‘stick’ to each other. The main consequence is damage and the formation of micro-cracks, which, if left untreated, can lead to progressive deterioration of the surfaces.
Abrasive wear
Abrasive wear is caused by contact between a harder surface and a softer surface, where particles or roughness on the hard surface act as “sandblasting”, removing material from the softer surface. This phenomenon is very common in industrial applications involving dust or sand, such as in metal production lines or in extrusion processes.
Fatigue wear
Fatigue wear occurs when a material is subjected to repeated stresses that cause micro-fractures to form in the surfaces. This type of wear is typical in applications where components are subjected to loading and unloading cycles, such as in transmissions or engines. Vibrations and cyclic forces cause the material to gradually fail.
Corrosive wear
Corrosive wear is a combination of wear and corrosion, in which the material suffers damage due to both the chemical action of an aggressive environment (such as moisture or gases) and mechanical action. This type of wear is common in marine environments or in high-temperature applications.
Factors influencing wear
The definition of wear also includes factors that can accelerate or slow down this process. Among the main factors influencing mechanical wear are:
- Type of material: The material’s hardness, resistance and composition determine its susceptibility to wear. Harder materials tend to resist abrasive wear better but may be more susceptible to other types of wear, such as adhesive wear.
- Operating Conditions: Speed of movement, pressure and temperature can all affect the rate of wear. For example, high pressure and high temperature conditions can accelerate fatigue wear.
- Lubrication: The presence of a good lubrication system can drastically reduce mechanical wear by creating a protective layer between moving surfaces.
- Contaminants: Dust, sand and other contaminants can increase the rate of abrasive wear by acting as abrasive agents between surfaces.
Consequences of mechanical wear
The consequences of mechanical wear are not limited to material loss. In fact, material wear can have significant impacts on machine performance, including:
- Reduced efficiency: Wear increases mechanical friction and reduces the energy efficiency of components.
- Damage to working surfaces: The surface of the material degrades, affecting the quality of finished products.
- Increased maintenance costs: Wear leads to damage that requires costly repairs or replacements.
To avoid these problems, companies must take preventive measures to manage mechanical wear and minimize the risk of sudden failures.
Prevention and control strategies: ATP Europe protective coatings
ATP Europe offers a range of advanced solutions to combat mechanical wear and improve the performance of materials subjected to hot metal processing. The main coatings are designed to protect and lubricate metals, ensuring longer life and reducing surface defects.
1. Oxylub: water-based lubricants with glass powder
Oxylub lubricants, from ATP Europe are water-based solutions with glass powder, ideal for treating metals during forging and hot extrusion. These lubricants improve the quality of metals, reducing abrasive wear and preventing oxidation, and are particularly suitable for titanium alloys, stainless steel and nickel superalloys. Their environmentally friendly and non-flammable formulation also offers a significant safety advantage.
2. Borosilicate glass for extrusion
Our borosilicate glass is mainly used in hot extrusion processes for metals, forming a protective barrier between the metal and the extrusion die. This reduces friction and protects the metal, extending the life of the die and improving process efficiency. ATP Europe borosilicate glasses are ideal for a wide range of metals, including carbon steel, nickel alloys and exotic metals.
3. Boron nitride coatings
Boron nitride coatings are designed to offer exceptional protection against mechanical wear in high-temperature environments and oxidizing atmospheres. This material offers lubricating properties at both low and high temperatures and is particularly effective as a release agent for molten metals such as aluminium and magnesium. Boron nitride coatings can be customized to meet the specific requirements of hot working operations, from casting to metal forging.
4. Optimized design
Another strategy for combating mechanical wear is optimized component design. By using more resistant materials and designing more effective contact surfaces, it is possible to reduce the risk of wear. The use of appropriate geometries and analysis of operating conditions are essential for achieving longer service life.
5. Regular maintenance
Regular maintenance and inspection of components are essential to prevent damage from wear. Continuous monitoring of surfaces and the application of protective coatings when necessary, can prevent sudden failures and reduce operating costs.
hoose ATP Europe for protective coatings against wear!
Mechanical wear is an inevitable phenomenon, but with the right solutions, such as ATP Europe’s protective coatings, its impact can be significantly reduced. Investing in coatings such as Oxylub lubricants, borosilicate glass for extrusion and boron nitride coatings not only helps protect components from mechanical wear, but also improves the efficiency and longevity of your equipment. For more information on ATP Europe’s customized solutions, contact us!