Blar i Publikasjoner fra CRIStin - NTNU på tidsskrift "Materials Characterization"
Viser treff 1-20 av 27
-
A hybrid aluminium alloy and its zoo of interacting nano-precipitates
(Journal article, 2015)An alloy with aluminium as its base element is heat treated to form a multitude of precipitate phases known from different classes of industrial alloys: Al–Cu(–Mg), Al–Mg–Si–Cu, and Al–Zn–Mg. Nanometer-sized needle-shaped ... -
An unreported precipitate orientation relationship in Al-Zn-Mg based alloys
(Journal article; Peer reviewed, 2019)Characterization of precipitates in Al-Zn-Mg alloys, using a combination of electron diffraction, bright field transmission electron microscopy and atomic scale scanning transmission electron microscopy imaging revealed ... -
Copper enrichment on aluminium surfaces after electropolishing and its effect on electron imaging and diffraction
(Peer reviewed; Journal article, 2021)Electropolishing is the most common method of preparing samples of aluminium alloys for scanning and transmission electron microscopy, as it yields a good surface quality and large flat, electron-transparent areas. Like ... -
Correlated subgrain and particle analysis of a recovered Al-Mn alloy by directly combining EBSD and backscatter electron imaging
(Journal article, 2022)Correlated analysis of (sub)grains and particles in alloys is important to understand transformation processes and control material properties. A multimodal data fusion workflow directly combining subgrain data from electron ... -
Correlating laser energy with compositional and atomic-level information of oxides in atom probe tomography
(Peer reviewed; Journal article, 2023)Atom probe tomography (APT) is a 3D analysis technique that offers unique chemical accuracy and sensitivity with sub-nanometer spatial resolution. There is an increasing interest in the application of APT to complex oxides ... -
Edge interfaces of the Ω plates in a peak-aged Al-Cu-Mg-Ag alloy
(Journal article; Peer reviewed, 2022)The coherent edge interface structures of the relatively thin {111}Al Ω plates have been analyzed in a peak-aged Al-Cu-Mg-Ag alloy by atomic-resolution scanning transmission electron microscopy (STEM). Analysis of STEM ... -
The effect of hydrogen on the crack initiation site of TRIP-assisted steels during in-situ hydrogen plasma micro-tensile testing: Leading to an improved ductility?
(Peer reviewed; Journal article, 2020)The hydrogen induced damage and crack initiation in transformation induced plasticity (TRIP) steel is considered in the present work by micro tensile testing and subsequent microstructural assessment. Hydrogen characteristics ... -
Effect of the nanostructuring by high-pressure torsion process on the secondary phase precipitation in UNS S32750 Superduplex stainless steel
(Journal article; Peer reviewed, 2021) -
Grain boundary structures and their correlation with intergranular corrosion in an extruded Al-Mg-Si-Cu alloy
(Peer reviewed; Journal article, 2020)A detailed analysis of grain boundaries in a highly textured Al-Mg-Si-Cu alloy is presented in this work. Electron backscatter diffraction demonstrates the presence of three main categories of grain boundaries in addition ... -
High resolution crystal orientation mapping of ultrathin films in SEM and TEM
(Peer reviewed; Journal article, 2022)Ultrathin metallic films are important functional materials for optical and microelectronic devices. Dedicated characterization with high spatial resolution and sufficient field of view is key to the understanding of the ... -
Lattice rotations in precipitate free zones in an Al-Mg-Si alloy
(Journal article; Peer reviewed, 2018)Scanning precession electron diffraction and automated crystal orientation mapping in a transmission electron microscope (TEM) have been applied to quantitatively study the crystal orientation of precipitate free zones ... -
Microstructural and mechanical characterisation of a second generation hybrid metal extrusion & bonding aluminium-steel butt joint
(Peer reviewed; Journal article, 2020)Hybrid metal extrusion & bonding (HYB) is a joining method that enables solid-state bonding by combining addition of aluminium filler material through continuous extrusion with pressure exerted by a rotating steel tool. ... -
Microstructure and texture evolution during the manufacturing of in situ TiC-NiCr cermet through selective laser melting process
(Peer reviewed; Journal article, 2021)The effects of different selective laser melting (SLM) scan speeds (150 mm.s−1, 95 mm.s−1, 60 mm.s−1, 55 mm.s−1, and 50 mm.s−1) on the microstructure and texture evolution of in situ TiC-NiCr cermet were investigated in ... -
Microstructure evolution and mechanical properties of carbon nanotubes reinforced Al matrix composites
(Journal article; Peer reviewed, 2017)Carbon nanotubes reinforced pure aluminum (CNT/Al) composites were fabricated by combined ball milling and powder metallurgy (PM) techniques. The distribution of CNTs, the evolution of the average Al grain size of the ... -
On the microstructural origins of improvements in conductivity by heavy deformation and ageing of Al-Mg-Si alloy 6101
(Peer reviewed; Journal article, 2021)This work has examined an Al-0.54Mg-0.38Si (at.%) conductor alloy (6101) subjected to two different thermomechanical processing routes. Conventional solution treatment, quenching, and artificial ageing (170 °C) was compared ... -
Orientation relationships of phase transformation in α-Al12Mn3Si pseudomorphs after plate-like Al6Mn precipitate in an AA3004 Al-Mn based alloy
(Journal article; Peer reviewed, 2017)The phase transformation in the plate-like precipitates of Al6Mn in an AA3004 Al-Mn based alloy, which was prepared by a chemical extraction technique, was investigated using transmission electron microscopy. The boiling-phenol ... -
Precipitate/matrix incompatibilities related to the {111}Al Ω plates in an Al-Cu-Mg-Ag alloy
(Journal article; Peer reviewed, 2021)The atomic structure of Ω plates forming on {111}Al planes in an Al-Cu-Mg-Ag alloy has been investigated by Z-contrast atomic-resolution scanning transmission electron microscopy imaging and ab initio density functional ... -
Precipitation behavior of Al-Si-Cu-Mg(-Fe) alloys by a deformation-semisolid extrusion process
(Journal article; Peer reviewed, 2021) -
Precipitation behavior of Al-Si-Cu-Mg(-Fe) alloys by a deformation-semisolid extrusion process
(Journal article; Peer reviewed, 2021)Al-4.5Si-1Cu-0.3Mg(-1Fe) (wt%) alloys fabricated by a deformation-semisolid extrusion (D-SSE) process have been investigated by transmission electron microscopy, down to the atomic level. T5 and T6 heat treatments were ...