Critical industries such as oil & gas, energy, chemical, aerospace, and manufacturing need their equipment and parts to work on-demand. We know that downtime in the field means lost revenue, added costs, and production delays.
You will get efficient and thoughtful service from Litong.
One of the best methods to keep your parts working and your equipment operating is to utilize thermal spray technology. This type of protective coating enhances the durability, longevity, and performance of industrial parts to support critical functions.
We offer five different types of thermal spray coatings to enhance your industrial parts. Consider which thermal spray technology best serves your parts to keep your equipment functioning.
HVOF, which is one of the most popular thermal spray coatings, uses oxygen and fuel to create a gas stream that is propelled through a nozzle onto the part.
The coating is very dense, creating a very hard surface and a durable layer of protection. This is especially useful to coat metals and other industrial parts that are exposed to extreme or harsh conditions.
' The Result: stronger resistance to corrosion, longer life to reduce the frequency of replacement or repair, and higher performance supporting your critical equipment.
HVAF uses a different type of thermal spray technology than HVOF to protect metals and other industrial parts.
This technology uses gas and compressed air to create a stream that is propelled through the nozzle at high speeds. This results in a warmer spray compared to HVOF and zero oxidation when applied to metals.
' The Result: very strong protection against erosion, the restoration of surfaces to their original composition and strengthened for future use, and great resistance against fatigue and stress.
Plasma spray uses heat at the primary method to create a very strong and durable coating on industrial parts.
The flame or stream that is shot through the nozzle can reach up to 27,000 degrees Fahrenheit. This is ideal for large parts that have a very high melting point, which includes certain metals and ceramics.
' The Result: a refined part that can withstand any condition, enhanced protection against the effects of corrosion, and extreme wear resistance. The part is essentially forged through fire.
The metalizing process uses electricity, charged wires, and compressed air to create a thermal spray. When a positive and a negative charged wire are shot through an arc gun, it creates a spray stream that is propelled onto the substrate of the part.
Alternatively, the combustion process uses a metal alloy wire, fuel, and oxygen. The wire travels through the gun to create a flame that is applied to the substrate of the part.
' The Result: The metalizing process is primarily used for corrosion resistance. Additionally, because of the tight bond between the coating and the substrate, the part will be enhanced for durability, weather resistance, and erosion control.
The spray and fuse thermal coating follows a two-step process. First, a powdered metal alloy is melted. Then, the melted alloy is propelled through a heated flame or torch onto the part to create a new molecular bond.
This coating is useful for industrial parts that are subject to high impact, potential damage, or extreme stress from prolonged use in difficult conditions.
' The Result: protection from chipping or cracking to maintain functionality, good thermal resistance, and extended life for new parts placed into service.
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Superior Shot Peening & Coatings (SSPC) offers each of these thermal spray coatings at our facility in Texas. We also have mobile crews and equipment that can be mobilized to your domestic or international location to treat your industrial parts.
Contact us today to inquire about utilizing our thermal spray technology to enhance the durability, longevity, and resistance of your critical parts.
Thermal spray coating processes have become an integral solution in enhancing various materials' performance, durability, and efficiency across different sectors. These techniques involve applying a protective layer to a surface or material using heat. Thermal spray coating solutions can host an array of benefits including improved resistance to wear, corrosion, and other factors. In this blog, we will delve into 5 types of thermal spray coating processes that play a crucial role in a variety of applications.
There are a multitude of processes that all host different benefits for different applications and industries. Let's explore the top 5.
Flame spraying is arguably one of the simplest thermal spray coating techniques and the most traditional. This process is where melted materials, usually wire or powder, are sprayed onto a surface with the help of a high-temperature flame. The molten material is propelled onto the substrate, creating a protective coating as it solidifies. Flame spraying offers many benefits to a variety of industries thanks to its versatility.
Arc spraying is a process that involves an electric arc in order to melt the coating material, typically in the form of wire. Similar to flame spraying, the result of the process is a protective coating, however, this process uses a wire arc to get optimal results. Arc spraying is known for its ability to quickly produce thick coatings, which is what makes it a sought after thermal spray coating process for applications that require corrosion resistance.
A popular thermal spray coating process is plasma spraying. Plasma spraying involves the use of a high-temperature plasma jet to melt the coating material, which is typically in powder form. Plasma spraying is well known for its precision, making it ideal for applications in aerospace, electronics, and even the medical sector. This technique enables applications to use a variety of materials, including ceramics and metals.
Possibly one of the most popular processes here at Alphatek. HVOF spraying is a thermal spray coating process that is widely used across a variety of industries and applications. HVOF spraying is a thermal spray process that is best suited for those surfaces that need wear resistance, high or low friction, and abrasion protection, often applied to roll surfaces used in paper production. The high velocity of this process results in coatings with dense structures, which offer excellent wear and corrosion resistance. HVOF coatings are commonly used in applications where high-quality and high-performance coatings are essential.
Not as scary as it sounds. Detonation gun spraying or sometimes just known as detonation spraying is a specialised thermal spray coating process that involves the a mixture of fuel and oxygen to produce a high-velocity spray of coating material, intended to change surface characteristics. This process is particularly effective for depositing hard and wear-resistant coatings where durability is the main aim. The high kinetic energy of the sprayed particles contributes to the high resistance of these coatings.
Thermal spray coating processes have revolutionised the way we protect and enhance the performance of various materials, in various industries.
Whether it is disability or corrosion resistance that you require, there is a process that fits the needs of any application, From the simplicity of flame spraying to the precision of plasma spraying, each technique offers unique advantages suited to specific sectors.
It is no surprise that companies of all sizes, and all origins trust us with their thermal spray coating projects, thanks to our wide range of coating processes on offer here at Alphatek.
If you would like to know more about our thermal spray coating processes or if you are unsure as to which process is right for you, get in touch with our team today!
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