Article | REF: AM3683 V1

Thermoplastic injection molds. Choice of steels

Author: Thomas MUNCH

Publication date: April 10, 2013

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7. Use of other metals

7.1 Optimizing thermal conductivity

If the thermal conductivity of steel is insufficient, one solution is to use a highly conductive copper-based alloy.

In fact, the thermal conductivity of copper-based alloys ranges from 100 to 300 W.m- 1 .K- 1 , while that of hot-work tool steel is in the order of 10 to 20 W.m- 1 .K- 1 .

The mechanical properties of pure copper, a very good thermal conductor (400 W.m- 1 .K- 1 ), are insufficient to ensure the dimensional stability and...

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Use of other metals