Accession Number : ADA268354


Title :   Atlas of Formability: Haynes 556


Descriptive Note : Final rept. 31 Oct 92-29 Jan 93,


Corporate Author : NATIONAL CENTER FOR EXCELLENCE IN METALWORKING TECHNOLOGY JOHNSTOWN PA


Personal Author(s) : Chaudhury, Prabir K ; Zhao, Dan


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a268354.pdf


Report Date : 29 Jan 1993


Pagination or Media Count : 70


Abstract : In this investigation, flow behavior of Haynes 556 alloy was studied by conducting compression tests over a wide range of temperatures (950 - 1200 C) and strain rates (0.001 - 20 /s). The true stress-true strain flow curves are presented for each test conditions. Constitutive relations were determined from the flow behavior, and a dynamic material modeling was performed on this alloy. Thus, the optimum processing condition in terms of temperature and strain rate was identified as 1125 C and 0.001 /s for this alloy. Microstructural changes during high temperature deformation were also characterized, and selective micrographs are presented together with corresponding flow curves. Dynamic recrystallization and grain growth occurred during high temperature deformation over the range of temperatures tested. This report supplies ample mechanical property and microstructure data on Haynes 556 alloy for mechanical and materials engineers in the field of metalworking process design. The data presented here are also very helpful in finite element analysis of metalworking processes.... Haynes 556, Deformation Processing, High Temperature Deformation, Processing Map, Metalworking, Microstructure.


Descriptors :   *STRESS STRAIN RELATIONS , *HIGH TEMPERATURE , *DEFORMATION , *METALWORKING , TEST AND EVALUATION , MECHANICAL PROPERTIES , DYNAMICS , RATES , STRAIN RATE , FLOW , CURVES(GEOMETRY) , RECRYSTALLIZATION , GRAIN GROWTH , MAPS , ALLOYS , FINITE ELEMENT ANALYSIS , PROCESSING , MATERIALS , MICROSTRUCTURE , COMPRESSION


Subject Categories : Fabrication Metallurgy
      Mechanics
      Thermodynamics


Distribution Statement : APPROVED FOR PUBLIC RELEASE