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Chamara Kumara

Doktorand

Anställd på Avdelningen för avverkande och additiva tillverkningsprocesser.


Publikationer


Microstructure modelling of laser metal powder directed energy deposition of alloy 718

Publicerat

Microstructure modelling of laser metal powder directed energy deposition of alloy 718

A multi-component and multi-phase-field modelling approach, combined with transformation kinetics modelling, was used to model microstructure...

Microstructure Modelling of Additive Manufacturing of Alloy 718

Publicerat

Microstructure Modelling of Additive Manufacturing of Alloy 718

In recent years, additive manufacturing (AM) of Alloy 718 has received increasing interest in the field of manufacturing engineering owing to its...

Modelling of anisotropic elastic properties in alloy 718 built by electron beam melting

Publicerat

Modelling of anisotropic elastic properties in alloy 718 built by electron beam melting

Owing to the inherent nature of the process, typically material produced via electron beam melting (EBM) has a columnar microstructure. As a result...

A novel arc heat treatment technique for producing graded microstructures through controlled temperature gradients

Publicerat

A novel arc heat treatment technique for producing graded microstructures through controlled temperature gradients

This paper introduces a novel arc heat treatment technique to produce samples with graded microstructures through the application of controlled...

Bilayer Suspension Plasma-Sprayed Thermal Barrier Coatings with Enhanced Thermal Cyclic Lifetime : Experiments and Modeling

Publicerat

Bilayer Suspension Plasma-Sprayed Thermal Barrier Coatings with Enhanced Thermal Cyclic Lifetime : Experiments and Modeling

Suspension plasma spraying (SPS) has been shown as a promising process to produce porous columnar strain tolerant coatings for thermal barrier...

Thermal Conductivity in Suspension Sprayed Thermal Barrier Coatings : Modeling and Experiments

Publicerat

Thermal Conductivity in Suspension Sprayed Thermal Barrier Coatings : Modeling and Experiments

Axial suspension plasma spraying (ASPS) can generate microstructures with higher porosity and pores in the size range from submicron to nanometer....

Effect of columnar cracks and dense layer in suspension plasma sprayed thermal barrier coatings on the coating stresses under thermal shock loadings : A modelling approach

Publicerat

Effect of columnar cracks and dense layer in suspension plasma sprayed thermal barrier coatings on the coating stresses under thermal shock loadings : A modelling approach

Suspension Plasma Spraying (SPS) has been shown as a promising process to produce porous columnar strain tolerant coatings for thermal barrier...

Modelling of the temperature field in TIG arc heat treated super duplex stainless steel samples

Publicerat

Modelling of the temperature field in TIG arc heat treated super duplex stainless steel samples

Super Duplex Stainless Steels have superior corrosion resistance properties and strength compared to conventional steels. However, these properties...

Thermal conductivity in suspension sprayed thermal barrier coatings : Modelling and experiments

Publicerat

Thermal conductivity in suspension sprayed thermal barrier coatings : Modelling and experiments

Axial Suspension Plasma spraying (ASPS) can generate microstructures with higher porosity and pores in the size range from submicron to nanometre....