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Specialist Technologies


Kolsterising ®, proprietary to Bodycote, is a technology that greatly improves the mechanical properties of corrosion-resistant materials. Some of the more commonly asked questions from our customers are answered below. Conventional heat treatments, such as nitriding or nitrocarburizing will negatively impact the corrosion resistant properties of stainless steel alloys. Unlike conventional treatments, the Kolsterising ® process can harden the surface and[…]

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Galling is a type of mechanical wear caused by a combination of friction and adhesion between sliding surfaces typically under a compressive load.   It is the result of tearing and slipping of the crystal structure at the surface once the protective chromium oxide layer has worn away.  Further mechanical forces cause the material to become[…]

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Thanks to the wide range of applications, Nitriding and Nitrocarburising processes are becoming more and more important. In addition to mechanical and technological characteristics, corrosion resistance is of vital importance for the functionality of surfaces. The Corr-I-Dur® process not only enhances wear properties, but also significantly improves the corrosion resistance. Corr-I-Dur® has very little effect[…]

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The achievable surface hardness mainly depends on the base material. Alloying elements such as chrome and aluminium lead to higher hardness. The Nitriding depth depends on customer requirements. Also the component’s condition at delivery, i.e. distortion, heat treatment status also affect the layer parameter to be achieved. Dimensional changes can further be positively influenced by[…]

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