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Summary

Badger Metal Tech has a method for obtaining the synergistic benefits of both MetaLLife (MPCMP coupon) and ThermaLLife (FNC coupon) by effectively combining them.  How to do this had been a dilemma.

Applying heat after MetaLLife relaxes compressive and tensile stresses.  On the other hand, if MetaLLife was applied after ThermaLLife there was a concern that MetaLLife would destroy or remove the thin protective compound layer. This layer provides the barrier that prevents soldering in aluminum content molten metal for die casting dies.  Examples of both sequences are shown at the right.

Specially prepared H-13 coupons of the first combination (MetaLLife + ThermaLLife) were submitted for X-ray diffraction measurements. The curves showed a significant beneficial value of compression, and depth still remained even after extended temperature and time were applied.

Further studies, both in the US and Japan, now confirm that  MetaLLife helps lock in the grain boundary compressive stress benefit and allows a higher concentration of Nitrogen and Carbon to be diffused into the surface of the tool steel.  The result is a compressive stress benefit that increases fatigue strength, buffers cavitation effect, and a compound layer that prevents soldering

All of the benefits of MetaLLife and ThermaLLife are combined in a synergistic manner to provide total TooLLife benefits.

Related Topics > - Diffusion Attributes

     


click photos to view larger image


Used Die Before TooLLife


Same Die After TooLLife


Test coupon from which compression readings were taken.
 

 

   

Page updated on 02/18/2011


Some web pages were last modified 07/06/2011
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Copyright 1996-2011 Badger Metal Tech, Inc. All Rights Reserved
N169 W21010 Meadow Lane  Jackson, WI 53037   262-252-3804

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MetaLLife and ThermaLLife and TooLLife are registered or in process with the US patent and trademark office.  Intellectual property and graphics contained herein are the sole property of Badger Metal Tech, Inc.