Plasma ion nitrided stainless steel press plates and application

Details Plasma ion nitrided stainless steel press plates and application Plasma ion nitrided stainless steel press plates and application

1991-12-19

1993-09-14

Bushey, Scott

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

76DIG2, 100295, 148212, 148318, 425411, B29C 4332

Patent

active

052443752

ABSTRACT:
A press plate hardened by the use of plasma ion nitriding techniques produces wear resistant decorative laminate containing hard abrasive particles while improving associated press plate useful life. The press plate has exacting final microfinish requirements made possible due to the determination of interdependencies between parameter settings and expected results. These interdependencies include the work piece geometry, surface and subsurface structure and desired results, process temperatures, pressures, and rate of heat-up and duration of heat-up time, thermal loading, reflective radiation and heat effects, cooling systems, and gas mixture composition.

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