Heterogeneous deformation of multi-phase engineering materials - an in-situ neutron diffraction study
Licentiatavhandling, 2019
In the first part of this work the deformation mechanisms of a newly developed Ni-base superalloy was investigated using in-situ neutron diffraction and electron microscopy at room temperature. In addition, elasto-plastic self-consistent (EPSC) crystal plasticity simulations are used to obtain insights into the operating deformation mechanisms. In the second part, the as-cast eutectic high entropy alloy AlCoCrFeNi2.1 was studied using in-situ neutron diffraction at temperatures from 77 to 673 K. These investigations provide unique insights into the complex heterogeneous deformation behavior of these high-performance multi-phase engineering materials.
Eutectic high entropy alloys
in-situ neutron diffraction
Deformation mechanisms
Superalloys
Electron microscopy
Författare
Nitesh Raj Jaladurgam
Chalmers, Fysik, Mikrostrukturfysik
Nitesh Raj Jaladurgam, Hongjia Li, Joe Kelleher, Christer Persson, Axel Steuwer and Magnus Hörnqvist Colliander, Microstructure-dependent deformation behaviour of a low gamma prime volume fraction Ni-base superalloy studied by in-situ neutron diffraction
Nitesh Raj Jaladurgam, Adrianna Lozinko, Sheng Guo, Tung Lik Lee and Magnus Hörnqvist Colliander, Temperature effects on the load and strain partitioning in AlCoCrFeNi2.1 eutectic high entropy alloy during tensile deformation
In-situ studies of microstructural evolution during processing and service of high-temperature materials
Stiftelsen för Strategisk forskning (SSF), 2017-01-01 -- 2020-12-31.
Ämneskategorier
Materialteknik
Bearbetnings-, yt- och fogningsteknik
Annan materialteknik
Metallurgi och metalliska material
Styrkeområden
Transport
Produktion
Energi
Materialvetenskap
Infrastruktur
Chalmers materialanalyslaboratorium
Utgivare
Chalmers
Luftbryggan A810, MC2, Kemivägen 9, Chalmers University of Technology
Opponent: Prof. Ru Peng, Linköping University