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Router Bit Failure

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Router Bit Failure

 

Problems

Numerous holes and voids 
Areas where the braze alloy did not stick to the steel
Areas where the braze alloy did not sick to the carbide

router_bit_failure-1.jpg

 

 

 

 

 

 

 

 

 

  

 

 

This is the corner of the carbide at 50x.  There is a brown film over the back of the braze alloy.  You can see a round area of braze alloy in the lower right.  There are numerous bubbles which was trapped gas from the flux or from zinc that came out during brazing or from another material, possible a cleaning agent. 

 router_bit_failure-2.jpg  router_bit_failure-3.jpg router_bit_failure-4.jpg 

There are large areas of bare steel.   These are most obvious in the duck shaped patches at the bottom of the first picture.  There are also several other areas.  


b2b lead generation