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Thermo-viscoplastic behavior of 304 austenitic stainless steel at various strain rates and temperatures: Testing, modeling and validation

Type
Articles dans des revues avec comité de lecture
Auteur
JIA, Bin
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
107452 Laboratoire de Conception Fabrication Commande [LCFC]
RUSINEK, Alexis
31065 Institute of Fundamental Technological Research [IPPT]
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
301979 Université Carlos III de Madrid
PESCI, Raphaël
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
BAHI, Slim
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
BERNIER, Richard
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]

URI
http://hdl.handle.net/10985/18175
DOI
10.1016/j.ijmecsci.2019.105356
Date
2020
Journal
International Journal of Mechanical Sciences

Résumé

This paper presents a systematic study of the thermo-viscoplastic behavior of a 304 austenitic stainless steel (ASS). The experiments were conducted over a wide range of strain rates (10 − 3 s − 1 to 3270 s − 1 ) and temperatures (-163°C to 172°C), for which the deformation behavior of 304 ASS becomes more complex due to the strain- induced martensitic transformation (SIMT) effect. Dynamic tests at low/elevated temperatures were conducted using the Hopkinson technique coupled with a cooling device/heating furnace, and temperature distribution within the specimen was verified to be uniform. Experimental results showed that the strain hardening rate of 304 ASS was strongly affected by SIMT effect. For quasi-static tests (10 − 3 s − 1 to 1 s − 1 ) at low temperatures (-163°C to -20°C), the stress-strain relations exhibited an S-shape and a second strain hardening phenomenon. The strain rate sensitivity and temperature sensitivity of 304 ASS were also different from metallic materials deformed by dislocation glide. Several unexpected phenomena including the negative strain rate sensitivity and the changing temperature sensitivity from quasi-static to dynamic tests were observed. Based on experimental results, an extension of the Rusinek-Klepaczko (RK) model considering SIMT effect was used to simulate the deformation behavior of 304 ASS: it predicted flow stress curves of 304 ASS above -60°C correctly. In addition, to validate the extended RK model and the identified model parameters, numerical simulations of ballistic impact tests of 304 ASS plates at various temperatures were carried out, showing a good agreement with experiments.

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Documents liés

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  • A novel technique for dynamic shear testing of bulk metals with application to 304 austenitic stainless steel 
    JIA, Bin; RUSINEK, Alexis; PESCI, Raphaël; BERNIER, Richard; BAHI, Slim; WOOD, Paul (Elsevier BV, 2020)
    This paper describes a new single-shear specimen (SSS) and method to characterize the dynamic shear behavior of bulk metals using a traditional Split Hopkinson Pressure Bar (SHPB). By this method, the shear behavior of ...
  • Perforation Behavior of 304 Stainless Steel Plates at Various Temperatures 
    JIA, Binsdu; RUSINEK, Alexis; BAHI, Slim; BERNIER, Richard; PESCI, Raphaël; BENDARMA, Amine (Springer, 2019)
    The effect of temperature on perforation behavior of 304 austenitic stainless steel plates was investigated experimentally. Perforation tests have been conducted at velocities from 80 to 180 m/s and temperatures between ...
  • Effect of projectile nose shape on ballistic resistance of interstitial-free steel sheets 
    KPENYIGBA, K. M.; JANKOWIAK, Tomasz; RUSINEK, Alexis; PESCI, Raphaël; WANG, Bin (Elsevier, 2015)
    In this paper an experimental and numerical work is reported concerning the process of perforation of thin steel plates using different projectile nose shapes. The main goal is to analyze how the projectile shape may change ...
  • Thermo-mechanical behaviour of TRIP 1000 steel sheets subjected to low velocity perforation by conical projectiles at different temperatures 
    RODRIGUEZ MARTINEZ, José Antonio; PESCI, Raphaël; RUSINEK, Alexis; ARIAS, Angel; ZAERA, Ramon; PEDROCHE, David Arias (Elsevier, 2012)
    This paper presents and analyzes the behaviour of TRIP 1000 steel sheets subjected to low velocity perforation by conical projectiles. The relevance of this material resides in the potential transformation of retained ...
  • Experimental characterisation and modelling of the thermo-viscoplastic behaviour of steel AISI 304 within wide ranges of strain rate at room temperature 
    RUSINEK, Alexis; RODRIGUEZ-MARTINEZ, José A.; PESCI, Raphaël; CAPELLE, Julien (Polish Society of Theoretical and Allied Mechanics, 2010)
    In this investigation, thermo-viscoplastic behaviour of austenitic steel AISI 304 has been characterised in tension under wide ranges of strain rate at room temperature. This metal possesses an elevated strain hardening ...

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