Acid pickling and etching

Tuesday, September 30, 2014
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The use of strong acids is commonplace in industry in the manufacture of many components, and they have a number of purposes that might be useful in the context of race engines and transmissions. Although not widely used for this purpose, there are ... read more


Thursday, May 08, 2014
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Many of us who have been involved in designing components for race engines will be familiar with the nitriding process, and even if the process isn't very familiar in its detail, we probably know what its benefits are. It is also likely that we will ... read more

Peening variations

Thursday, March 27, 2014
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Shot peening is a well known process that is used widely as a reaction to fatigue failures and as a design tool to avoid them in the first instance. The choice of whether to use peening as a ‘curative’ or a ‘preventative’ trea... read more


Wednesday, February 19, 2014
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Phosphate coatings have been covered in a couple of previous surface treatment articles. In the first of these articles, we looked mainly at engine applications, including piston rings, camshafts and so on. In the second article, we looked in slightl... read more

Chromating applications

Wednesday, January 08, 2014
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It would be wrong to say that conversion treatments such as chromating aren’t used in race engines, but they certainly aren’t used as widely as on race transmissions. One of its main uses in engine parts is the passivation of components w... read more

Hard anodising

Monday, December 02, 2013
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Where aluminium components might be subjected to wear in a race engine or transmission, hard anodising is often specified as a surface treatment. This process converts the existing surface to a thick oxide structure; the main difference between decor... read more

Chemical machining

Monday, October 07, 2013
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Chemical machining is a technique that removes material through the interaction between chemicals and a metallic workpiece. Electrochemical machining (also widely referred to as ECM) offers an alternative to electro-discharge machining (EDM) and is s... read more
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