Machinability of Powder Metallurgy Steels

  • ID: 660358
  • Report
  • 580 Pages
  • CISP - Cambridge International Science Publishing
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The machinability of powder metallurgy steels is lower compared with wrought steel due to a larger number of material variables. Therefore, the machining of powder metallurgy materials is a permanent subject of investigations and practice. The aim of the book is to present knowledge concerning the machinability of PM steels and show areas for improvement. Because tool wear and failure is the result of the interaction of the workpiece, tool and cutting conditions, these areas are described and analyzed in the book for sintered iron, carbon steels, alloyed, stainless and powder forged steels.
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-Powder metallurgy processes and materials (metal powders, compaction, alloying, sintering, secondary operations, materials).

-Principle of machining processes (cutting processes, characterization and analysis of machining process, formation of chip, built-up edge, cutting conditions, tool wear and life).

-Machinability (definition, measurement, rating, testing method).

-Machinability of powder metallurgy steels (effect of: manufacturing technique, material properties, porosity as main factor, alloying elements, sintering conditions, microstructure).

-Machining of powder metallurgy steels (without and with machining aids, characteristics of machining free aids, effect of machining aids on mechanical properties and machinability; green machining, presintering, surface finish).

-Machining tools (high strength steel, cemented carbide, CBN, coating, selection of tool type).

-Recommendations and cutting data (drilling, tapping, turning, milling, reaming).
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