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Key Properties of Die Material Needed for Structural Parts

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Wednesday, January 08, 2020
12:00pm - 1:00pm Central Time


Cost:
Corporate Members:$49
Individual Members: $69
Non Members:$99

Trends have shown that more structural aluminum lightweight parts are needed especially in the automotive segment for better fuel efficiency. Structural aluminum HPDC parts require a more complex design and bigger dimension to fulfill the demanded properties. The size of the die material must be big enough for the cast parts, and some parts have such high requirements that split lines are not accepted. To achieve larger production runs, excellent mechanical properties must be required of the die material to achieve accepted die life. In this paper, thermal fatigue investigations have been made on Uddeholm Dievar and premium H13 hot work tool steels. Results showed that Uddeholm Dievar had better resistance to thermal fatigue than premium H13. Further, heat treatment trials were performed on Uddeholm Dievar with intent to achieve suitable mechanical properties, such as impact toughness, to cater to other demanding property requirements for big block dies 61” X 21.65” (1550 mm X 550 mm)



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