Surface Treatment

What is Parylene coating and when should you use it?

Deciding on the ideal coating for your engineering application is always a very difficult task, you need to decide on chemical, process, mechanical and component compatibility. Some coatings are not ideal for specific applications. There are many different types of coatings for a vast array of applications, however this post will focus on an advanced …

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electropolished engine

What is Electropolishing and what is it used for?

Electropolishing is a material removal process using an electrically powered chemical process called electrolysis. In this process the amount of material being removed is very small as it is done for polishing purposes only. A negatively charged copper electrode and positively charged workpiece are dipped into a solution of fast flowing electrolyte solution. When connected …

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thermochromic paint bmw

What is thermochromic paint? Where is it used?

Before we look at the many reasons why you would use thermochromic paint, it is worth reminding ourselves exactly what we are talking about. In simple terms, thermochromic paint contains either liquid crystals or leuco dyes which literally change colour depending on the temperature of the surface to which have been applied/immediate atmosphere. It is …

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Anodizing aluminium – process description & design guide

Anodizing is an electrolytic surface treatment most commonly used with aluminium components. It creates a hard, durable, corrosion-resistant, non-conductive, and often reflective oxide finish on the outside surface of the anodized part. It also makes the surface of the component easy to dye and paint due to the porous nature of the oxide layer. For …

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