from the conferences organized by TANGER Ltd. provisional website
The paper deals about determination the influence of BH effect on the high-strength steels mechanical properties in dependence on the chosen cutting technology. There is tested material with the martensite structure and alloyed with boron and manganese. Such materials are used in the automotive industry at the car-body design mainly for parts which provide the safety of the passengers. Thus to achieve and ensure these demands there is very important to know the deformation behavior of these materials already during cutting process and also after the thermal loading by which is car-body loaded during the painting process. For cutting materials there were used technologies of laser and water jet cutting. BH effect takes place as car-body passes through the painting line where materials mechanical properties are changed due to the elevated temperature in the heating device during own baking of the paint.Keywords: BH Effect, Ultra-high Strength Materials, Martensite Structure, Micro-hardness
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