How to Sinter Tungsten Alloy Bar

The present invention provides a process for sintering tungsten alloy bar. It is mainly used in sintering process that the tungsten alloy powder made tungsten alloy strip and then made ​​ tungsten alloy wire. Characterized in that:

Hydrogen protected through the use of medium frequency induction furnace sintering method instead of direct indirect heating power vertical melt sintering.

Specific steps are as follows:

1) Sintering system: Press 150 ~ 350 ℃ / hr heating rate to 2150 ~ 2350 ℃ sintering 3 to 6 hours;

2) And then cooled. Sintering process using sintered tungsten alloy of the present invention have uniformity and consistency, and its processing performance also improved, silk of the finished product rate also increased from 5 to 10%.

The present invention provides a tungsten alloy bar sintering process, which can save energy, with significant social and economic benefits.


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