Cemented carbide is manufactured through a powder metallurgy process where fine tungsten-cobalt powder is first compacted using a multi-ton hydraulic press into a fragile 'green compact' (similar to a biscuit), and then strengthened through sintering at 1400Β°C in a vacuum furnace, which melts the cobalt binder to fuse the tungsten particles into an unbreakable solid material.
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πͺ Did you know that making Cemented Carbide is just like making a Compressed Biscuit?Added:
How do you turn loose powder [music] into a solid block? You've probably seen compressed biscuits. Immense [music] pressure forces the crumbs together into a high-density block.
Cemented carbide molding works the exact same way. A multi-ton hydraulic press [music] instantly compacts fine tungsten cobalt powder into shape, but don't be fooled. Right now, [music] it's as brittle as a biscuit and easily snaps.
It needs one final touch of magic.
[music] That is sintering at 1400Β°C.
[music] Only through extreme heat does it become the unbreakable teeth of industry.
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