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The Effects of Ausforming on the Precipitating Process and Mechanical Properties of 17-4PH Stainless Steel

[+] Author Affiliations
M. Amirkamali, M. Aghaie-Khafri

K.N. Toosi University of Technology, Tehran, Iran

Paper No. ESDA2010-25250, pp. 711-716; 6 pages
doi:10.1115/ESDA2010-25250
From:
  • ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
  • ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 5
  • Istanbul, Turkey, July 12–14, 2010
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4919-4 | eISBN: 978-0-7918-3877-8
  • Copyright © 2010 by ASME

abstract

In this study, the effects of ausforming on the precipitating process and mechanical properties of 17-4PH stainless steel were investigated. For doing ausforming, samples were solution treated at 1050°C for an hour, and then quenched into a salt bath furnace at 400°C. Rolling at 400°C in different percents was done for achieving different mechanical works. After finishing ausforming process, samples were tempered for precipitating at 300,400,500 and 600°C for 1, 2, 4, 8, 16 and 32h. Microstructural studies were done for finding the changes on precipitating process and tensile and hardness test done to study mechanical properties. Scanning electron microscope was used to show precipitates and other phases. Also EDS method used to analyze the elements in each phases.

Copyright © 2010 by ASME

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