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Flow Stress Modelling
Flow stress modelling for alloys is a predictive approach that assesses how materials deform under different conditions like temperature and strain rate. This modelling aids in optimizing the mechanical properties of alloys during manufacturing processes, ensuring the design of materials with improved strength and formability. Advanced models consider strain hardening and microstructural changes for accurate predictions.
Flow stress modelling for alloys is a predictive approach that assesses how materials deform under different conditions like temperature and strain rate. This modelling aids in optimizing the mechanical properties of alloys during manufacturing processes, ensuring the design of materials with improved strength and formability. Advanced models consider strain hardening and microstructural changes for accurate predictions.
Related Publications
Alen S. Joseph, Pulkit Gupta, Nilesh Kumar, Maria C. Poletti & Surya D. Yadav (2022) An advanced dislocation density-based approach to model the tensile flow behaviour of a 64.7Ni–31.96Cu alloy, Philosophical Magazine, 102:15, 1481-1504, DOI: 10.1080/14786435.2022.2056645
Surya D. Yadav, V. D. Vijayanand, M. Nandgopal & G. V. Prasad Reddy (2020) On the tensile flow stress response of 304 HCu stainless steel employing a dislocation density based model and electron backscatter diffraction measurements, Philosophical Magazine, 100:3, 312-336, DOI: 10.1080/14786435.2019.1680887.
Creep Curve Modelling
Creep curve modelling predicts how materials deform over time under constant high temperatures and load. This modeling enables the understanding and anticipation of a material's behavior over an extended period, crucial for designing components in applications where sustained stress and high temperatures are significant factors. The model outlines primary, secondary, and tertiary stages, offering insights into long-term stability and potential failure mechanisms.
Creep curve modelling predicts how materials deform over time under constant high temperatures and load. This modeling enables the understanding and anticipation of a material's behavior over an extended period, crucial for designing components in applications where sustained stress and high temperatures are significant factors. The model outlines primary, secondary, and tertiary stages, offering insights into long-term stability and potential failure mechanisms.
Related Publications
Kumar, N., & Yadav, S. D. (2022). Modelling the creep curves of RAFM steel employing a dislocation density reliant model. Materials Today: Proceedings, 74, 910-915. https://doi.org/10.1016/j.matpr.2022.11.292
Kumar, N., Joseph, A. S., Mehrotra, P., & Yadav, S. D. (2022). An improved dislocation density reliant model to address the creep deformation of reduced activation ferritic martensitic steel. Forces in Mechanics, 9, 100117. https://doi.org/10.1016/j.finmec.2022.100117
Nilesh Kumar and Surya D. Yadav 2022 IOP Conf. Ser.: Mater. Sci. Eng. 1248 012022
Xiao, B., Yadav, S. D., Zhao, L., Tang, Z., Han, Y., Yang, X., Kai, J., Yang, T., & Xu, L. (2021). Deep insights on the creep behavior and mechanism of a novel G115 steel: Micromechanical modelling and experimental validation. International Journal of Plasticity, 147, 103124. https://doi.org/10.1016/j.ijplas.2021.103124
Impression Creep Testing
Impression creep in alloys refers explicitly to the time-dependent deformation observed when materials are subjected to localized stress, such as during indentation or impressions. This phenomenon is crucial in applications like indentation testing, where understanding the material's response to localized loading at elevated temperatures is essential for assessing its performance and durability in practical scenarios.
Impression creep in alloys refers explicitly to the time-dependent deformation observed when materials are subjected to localized stress, such as during indentation or impressions. This phenomenon is crucial in applications like indentation testing, where understanding the material's response to localized loading at elevated temperatures is essential for assessing its performance and durability in practical scenarios.
Related Publications
Kumar, A., Kumar, N., Mahto, M. K., Yadav, S. D., Vashista, M., & Yusufzai, M. Z. K. (2023). Impression creep behaviour of different zones of pulsed gas tungsten arc welded Ti-6Al-4V alloy. Materials Today Communications, 36, 106722. https://doi.org/10.1016/j.mtcomm.2023.106722
Precipitation Kinetics Simulation
Impression creep in alloys refers explicitly to the time-dependent deformation observed when materials are subjected to localized stress, such as during indentation or impressions. This phenomenon is crucial in applications like indentation testing, where understanding the material's response to localized loading at elevated temperatures is essential for assessing its performance and durability in practical scenarios.
Impression creep in alloys refers explicitly to the time-dependent deformation observed when materials are subjected to localized stress, such as during indentation or impressions. This phenomenon is crucial in applications like indentation testing, where understanding the material's response to localized loading at elevated temperatures is essential for assessing its performance and durability in practical scenarios.
Related Publications
Yogendra Chouksey and Surya D. Yadav 2022 IOP Conf. Ser.: Mater. Sci. Eng. 1248 012028
Ahmadi, M. R., Sonderegger, B., Povoden-Karadeniz, E., Falahati, A., Yadav, S. D., Sommitsch, C., & Kozeschnik, E. (2022). Coherency strengthening of oblate precipitates extended in the {100} plane of fcc crystals: Modeling and experimental validation. Materialia, 21, 101328. https://doi.org/10.1016/j.mtla.2022.101328
Molecular Dynamics Simulation
Molecular dynamics simulation is a computational method that precisely tracks the positions and velocities of atoms and molecules over simulated time intervals. Widely used in materials science, it allows researchers to explore the dynamic behaviours of materials at the atomic scale, providing valuable information on properties like thermal conductivity, mechanical response, and structural changes under various conditions.
Molecular dynamics simulation is a computational method that precisely tracks the positions and velocities of atoms and molecules over simulated time intervals. Widely used in materials science, it allows researchers to explore the dynamic behaviours of materials at the atomic scale, providing valuable information on properties like thermal conductivity, mechanical response, and structural changes under various conditions.
Related Publications
Kashyap, P., Sainath, G., Kumar, N., Yadav, S.D. (2024). On the Deformation Mechanism and Dislocation Density Evolution in A Polycrystalline Nano Copper at 10 K–700 K/108 s−1–109 s−1 Employing Molecular Dynamics Simulations. In: Patra, S., Sinha, S., Mahobia, G.S., Kamble, D. (eds) Proceedings of the International Conference on Metallurgical Engineering and Centenary Celebration. METCENT 2023. Springer, Singapore. https://doi.org/10.1007/978-981-99-6863-3_14
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