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A novel technique for dynamic shear testing of bulk metals with application to 304 austenitic stainless steel

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
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
301979 Université Carlos III de Madrid
31065 Institute of Fundamental Technological Research [IPPT]
PESCI, Raphaël
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]
BAHI, Slim
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
WOOD, Paul
461086 University of Derby [United Kingdom]

URI
http://hdl.handle.net/10985/19435
DOI
10.1016/j.ijsolstr.2020.08.019
Date
2020
Journal
International Journal of Solids and Structures

Résumé

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 materials can be tested conveniently over a wide range of strain rates within 105 s−1. This technique was applied to a 304 austenitic stainless steel (ASS) under shear strain rates from 0.001 s−1 to 38700 s−1 at room temperature. Based on finite element (FE) simulations, it was found that the deformation of the specimen shear zone was dominated by shear stress/strain components. Stress state parameters represented by stress triaxiality η and Lode angle parameter θ- were found very close to zero, indicating a deformation mode of simple shear. Besides, an obvious gap existed between the local deformation behavior in the specimen shear zone and the macroscopic stress-strain relations measured by the strain gauges on the SHPB bars. A correction coefficient method was adopted to extract the real shear behavior from the experimentally obtained force-displacement data. Through comparisons between the tested and simulated stress-strain curves, a good agreement was obtained.

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2021-05-01
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Documents liés

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  • Thermo-viscoplastic behavior of 304 austenitic stainless steel at various strain rates and temperatures: Testing, modeling and validation 
    JIA, Bin; RUSINEK, Alexis; PESCI, Raphaël; BAHI, Slim; BERNIER, Richard (Elsevier, 2020)
    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 ...
  • 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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