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12/25/2014 National Metallurgical Laboratory Materials Modeling
http://www.nmlindia.org/materialsmodeling.html 1/1
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National Metallurgical LaboratoryJamshedpur831007 | Tel: +916572345000001, 2345028, 2345205 | Fax: 916572345213, 2345153 , EMail: [email protected]
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Objectives
Major Achievements
Bilateral research program between National Metallurgical Laboratory and Imperial College(UK) entitled “Physically Based Constitutive Equations for Design and Life Prediction at ElevatedTemperature Modeling and Validation”, funded by Engineering and Physical Science ResearchCouncil, was successfully executed. This work focused on integrating the current understandingof material anisotropy with finite element analysis through a synergy between the activities ofthe IndoBritish groups facilitating dissemination of knowledge to Indian and UK industries.
Material models developed to characterize the time evolution of creep strain in collaborationwith the experimental group of Defence Metallurgical Research Laboratory (DMRL), Hyderabad.
Creep modeling and remaining life estimation softwares developed and transferred to theindustry(BHEL): (i) RELIEF – A software for Remaining Life Estimation Framework for Boilercomponents, (ii) CLIPWIN – A menu driven software for creep life prediction
Computation of the Fractal Dimensions from microstructural images of materials has beencarried out through advanced signal processing techniques such as Wavelet analysis and PowerSpectral Density analysis. A bilateral collaborative project with Czech republic in fractalapplications to materials behavior is under progress
Coupled modeling of deformation, heat transfer and phase transformation have been carriedfor simulation of hot forging, rolling and heat treatment operations. Soft computing modelsusing Artificial Neural Network, Fuzzy logic in conjunction with micro scale modeling forprediction of mechanical properties and microstucture evolution have been developed andvalidated with operating data
Major Facilities
Finite Element Based General purpose code for modeling materials behaviour [ABAQUS,ANSYS]; Finite element code for modeling heat treatment, deformation and formingoperations [DEFORM3D & DEFORMHT]; Computational Fluid dynamic code [FLUENT]; Discrete Element code for modeling granular mechanics of materials [EDEM]
To develop the tools necessary for modeling and simulation of the materials behavior andproperties
To validate the tools by application to properties and systems amenable to experimentalverification
To illustrate the strategies and techniques in using these modeling tools by applying them torelevant industrial problems
Research AreasMineral ProcessingExtractive MetallurgySurface EngineeringApplied & Analytical ChemistryMaterials EngineeringMaterials EvaluationEnergy & EnvironmentR&D ServicesConsultancyTesting and AnalysisCalibrationCerified Reference MaterialsTechnologies OfferCustomer ServicesInfrastructure/FacilitiesAnalytical/CharacterizationPilot PlantQuick LinksNML Madras CentreMajor Projects IPR HelpdeskKnowledge Resource CentreKnowledge Networking