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The Incredible Uses Of Tungsten Carbide Coatings

By Charles Wallace


Sometimes machines may want to drill holes through stainless steel products. Due to the weak strength of the tips, they may fail to drill holes or even just break down. Tungsten carbide coatings provide a solution to all this. They have a density twice as much as stainless steel which ensures that the machines are effective in drilling the holes.

The coatings normally have a high tensile strength due to its bond in its formation as a compound. It is applied in mining where it is coated outside so that it can wear out first in the drilling. The coated drill normally has button inserts which ensure it has a ragged surface to be effective in drilling. The inserts ensure the drills have a high grasping power and do not lose grip on their surface.

Automobiles have their tires designed with studs to improve traction on slippery surfaces like ice and even roads. It is coated on the studs since it does not wear out easily. This is also included in snowmobiles which have to pass on hard surfaces like crossing roads and other abrasive surfaces. They improve traction here too especially on ice but mainly ensure the studs do not wear out fast.

Due to a high performance, they are used to coat instruments meant for various types of surgery like open surgery and laparoscopic surgery. The only disadvantage they have is they require delicate handling and are actually costlier than their stainless steel counterparts.

Bridal jewelry industry uses it as a popular material due to its characteristics. It is extremely hard and resistant to scratching which makes it a great choice for many jewelers. Due to extreme hardness, it can shatter under certain circumstances which are actually useful. During emergencies, it is easier to remove compared to metals which would bend flat and be a hindrance to its removal. Special machines such as locking pliers are used to remove them.

Ballpoint pens which disperse ink on writing use these coats to cover the tips in their rotating ball. Gauge blocks used as a system for producing precision lengths use these coatings for their production. These lengths are normally applied in the discipline of dimensional metrology.

Additionally, tungsten carbide is really an amazing compound which fascinates even the scientist. Chemical experiments have proven it to be similar to another compound named platinum. This means the coatings have a potential to be a catalyst just like platinum and have actually catalyzed water production from hydrogen and oxygen. It has also been tested in another experiment which involved reduction of tungsten trioxide by hydrogen in water presence. Both have been successful experiments which prove it may have more applications unknown.

When it comes to hardness, tungsten carbide is second to industrial diamond. With this fact in mind, it is coated on agricultural machines to increase longevity and performance of the machine. Facts show that it can increase in several folds in relation to heated treated steel reducing downtime and increasing time in the field. The coating protects the component by ensuring it does not become rounded after being worn out.




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