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View article: Emerging Fields and Methods in Neutron Strain Characterization
Emerging Fields and Methods in Neutron Strain Characterization Open
This article presents current challenges in residual stress analysis. It provides an overview of in situ neutron strain monitoring. The article also presents a few examples demonstrating the usefulness of Bragg edge strain mapping. It summ…
View article: Analysis of Point Set Registration Algorithms for Industrial Parts
Analysis of Point Set Registration Algorithms for Industrial Parts Open
In this paper, we investigate the suitability of existing point set registration algorithms for the task of pose estimation of industrial parts. Numerous algorithms with different characteristics have been developed already. However, no co…
View article: Texture measurements of archaeological objects at STRESS-SPEC neutron diffractometer
Texture measurements of archaeological objects at STRESS-SPEC neutron diffractometer Open
The main advantage of neutron diffraction over X-ray diffraction, arises from the fact that the interaction of neutrons with material is relatively weak and not related to the number of electrons, and consequently the penetration depth of …
View article: In-situ synchrotron diffraction analysis of deformation mechanisms in an AA5083 sheet metal processed by modified equal-channel angular pressing
In-situ synchrotron diffraction analysis of deformation mechanisms in an AA5083 sheet metal processed by modified equal-channel angular pressing Open
Severe plastic deformation (SPD) is a process to significantly improve the mechanical properties of materials by grain refinement. For forming at room temperature (RT), higher strengths can thus be achieved; for increased temperatures (HT)…
View article: Neutron diffraction: a primer
Neutron diffraction: a primer Open
Because of the neutron’s special properties, neutron diffraction may be considered one of the most powerful techniques for structure determination of crystalline and related matter. Neutrons can be released from nuclear fission, from spall…
View article: High-Precision Visual Servoing for the Neutron Diffractometer STRESS-SPEC at MLZ
High-Precision Visual Servoing for the Neutron Diffractometer STRESS-SPEC at MLZ Open
With neutron diffraction, the local stress and texture of metallic components can be analyzed non-destructively. For both, highly accurate positioning of the sample is essential, requiring the measurement at the same sample location from d…
View article: Analysis of Phase-Specific Strain Pole Figures for Duplex Steels under Elasto-Plastic Uniaxial Tension—Experiment vs. EPSC Modelling
Analysis of Phase-Specific Strain Pole Figures for Duplex Steels under Elasto-Plastic Uniaxial Tension—Experiment vs. EPSC Modelling Open
For the duplex stainless steel X2CrNiMoN22-5-3, phase-specific strain pole figures (strain PFs) for the phases ferrite (bcc) and austenite (fcc) were analysed under uniaxial tensile loading for various loading states in purely elastic and …
View article: Residual stresses in Cu matrix composite surface deposits after laser melt injection
Residual stresses in Cu matrix composite surface deposits after laser melt injection Open
Tungsten carbide particles reinforced metal matrix composite (MMC) coatings can significantly improve surface wear resistance owing to their increased surface hardness. However, the presence of macro‐ and micro‐residual stresses in MMC coa…
View article: Neutronographic Residual Stress Analysis for Materials With Depth Gradients of the Strain Free Lattice Parameter $${{\varvec{d}}}_{0}$$ for the Example of a Case-Hardened Steel 20MnCr5
Neutronographic Residual Stress Analysis for Materials With Depth Gradients of the Strain Free Lattice Parameter $${{\varvec{d}}}_{0}$$ for the Example of a Case-Hardened Steel 20MnCr5 Open
In the present work, ring-shaped samples made from steel 20MnCr5 were low-pressure carburized (LPC) and subsequently hardened by gas quenching (case-hardened). This results in a near-surface gradient in chemical composition, microstructure…
View article: Kinetics of Martensite Decomposition and Microstructure Stability of Ti-6246 during Rapid Heating to Service Temperatures
Kinetics of Martensite Decomposition and Microstructure Stability of Ti-6246 during Rapid Heating to Service Temperatures Open
The aerospace alloy Ti-6246 was subjected to inductive heat treatments with high heating and quenching rates (up to 1500 K/s) while being applied to an in situ diffraction study at the HEMS beamline P07B at DESY. Thereby, the characterizat…
View article: Aging‐Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650‐Type Li‐Ion Batteries (Adv. Energy Mater. 45/2022)
Aging‐Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650‐Type Li‐Ion Batteries (Adv. Energy Mater. 45/2022) Open
Lithium-Ion Batteries In article number 2201652, Anatoliy Senyshyn and co-workers investigate the degradation mechanisms of real life 18650-type lithium-ion batteries using a combination of neutron diffraction, calorimetry, infrared measur…
View article: Aging‐Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650‐Type Li‐Ion Batteries
Aging‐Driven Composition and Distribution Changes of Electrolyte and Graphite Anode in 18650‐Type Li‐Ion Batteries Open
A series of low‐temperature studies on LiNi 0.80 Co 0.15 Al 0.05 O 2 18650‐type batteries of high‐energy type with different stabilized states of fatigue is carried out using spatially resolved neutron powder diffraction, infrared/thermal …
View article: Neutronographic Analysis of Load Partitioning and Micro Residual Stress Development in Duplex Stainless Steels
Neutronographic Analysis of Load Partitioning and Micro Residual Stress Development in Duplex Stainless Steels Open
In the present work, neutronographic in situ diffraction stress analyses during uniaxial loading and subsequent unloading were carried out on the two duplex stainless steels X2CrNiMoN22-5-3 and X3CrNiMoN27-5-2 with nominal phase fractions …
View article: CCDC 2176140: Experimental Crystal Structure Determination
CCDC 2176140: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2176141: Experimental Crystal Structure Determination
CCDC 2176141: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: The Crystal Structure of Carbonic Acid
The Crystal Structure of Carbonic Acid Open
Ubiquitous carbonic acid, H2CO3, a key molecule in biochemistry, geochemistry, and also extraterrestrial chemistry, is known from a plethora of physicochemical studies. Its crystal structure has now been determined from neutron-diffraction…
View article: Experimental Investigation of Factors Influencing the Determination of the Onset of Yielding by Temperature Measurement
Experimental Investigation of Factors Influencing the Determination of the Onset of Yielding by Temperature Measurement Open
The cooling of the material during elastic tensile loading is well known as the thermoelastic effect. It is already known that the temperature minimum at the elastic-plastic transition can be used for the determination of the onset of yiel…
View article: The Crystal Structure of Carbonic Acid
The Crystal Structure of Carbonic Acid Open
Ubiquitous carbonic acid, H2CO3, a key molecule in biochemistry, geochemistry, and also extraterrestrial chemistry, is known from a plethora of physicochemical studies. Its crystal structure has now been determined from neutron-diffraction…
View article: <i>DISEMM</i>: a tool for the investigation of elasto-plastic behaviour on polycrystalline samples using X-ray and neutron diffraction
<i>DISEMM</i>: a tool for the investigation of elasto-plastic behaviour on polycrystalline samples using X-ray and neutron diffraction Open
The software DISEMM is designed to analyse diffraction data from in situ loading experiments on polycrystalline samples for the determination of single-crystal elastic constants (SECs) and elasto-plastic self-consistent (EPSC) modelling of…
View article: FACTORS INFLUENCING THE SAMPLED GAUGE VOLUME (SGV) WHEN MEASURING IN THE OUT OF PLANE (NORMAL) DIRECTION
FACTORS INFLUENCING THE SAMPLED GAUGE VOLUME (SGV) WHEN MEASURING IN THE OUT OF PLANE (NORMAL) DIRECTION Open
International audience
View article: Laser melt injection of spherical fused tungsten carbide in Cu-ETP with 515 nm wavelength laser
Laser melt injection of spherical fused tungsten carbide in Cu-ETP with 515 nm wavelength laser Open
Laser melt injection (LMI) is used to improve the wear resistance of highly loaded metal surfaces such as copper-based alloys for injection molds or casting tools. Therefore, a metal matrix composite (MMC) is formed by the injection of har…
View article: Deformation Mechanisms in Ni-Based Superalloys at Room and Elevated Temperatures Studied by In Situ Neutron Diffraction and Electron Microscopy
Deformation Mechanisms in Ni-Based Superalloys at Room and Elevated Temperatures Studied by In Situ Neutron Diffraction and Electron Microscopy Open
Polycrystalline Ni-based superalloys are one of the most frequently used materials for high temperature load-bearing applications due to their superior mechanical strength and chemical resistance. In this paper, we presented an in situ dif…