ArticleMaterials (Basel, Switzerland)2024
Modeling Strain Hardening of Metallic Materials with Sigmoidal Function Considering Temperature and Strain Rate Effects.
Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The application of intelligent generation model for international discourse of grand canal culture based on artificial intelligence and BPNN model.Scientific reports · 2026Article
- Research on the Formability of 2A12 Aluminum Alloy Sheet During High-Speed Hot Gas Bulging.Materials (Basel, Switzerland) · 2026Article
- Analyses of Stress-State-Dependent Ductile Damage and Fracture Behavior of Zirconium.Materials (Basel, Switzerland) · 2025Article
- Prediction of the Low-Velocity Collision Response Characterization of a Plate Structure Considering the Strain Hardening Effect.Materials (Basel, Switzerland) · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
This study uses a sigmoidal function to describe the plastic strain hardening of metallic materials, considering temperature and strain rate effects. The effectiveness of this approach is evaluated and systematically compared with other hardening laws. Incorporating temperature and strain rate effects into the parameters of this sigmoidal-type hardening law enables a more precise description and prediction of the plastic deformation of materials under different combinations of temperature and strain rate. The temperature effect is coupled using a simplified Arrhenius model, and the strain rate effect is coupled with a modified Johnson-Cook model. The sigmoidal-type hardening law is integrated with an asymmetric yield criterion to address complex behavior, such as anisotropy and strength differential effects. The calibration and validation of the constitutive model involve examining uniaxial tensile/compressive flow curves in various directions and biaxial tensile/compressive flow curves for diverse metallic alloys, proving the proposed model's broad applicability.
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