[PDF][PDF] Parent grain reconstruction from partially or fully transformed microstructures in MTEX

F Niessen, T Nyyssönen, AA Gazder… - Journal of applied …, 2022 - journals.iucr.org
A versatile generic framework for parent grain reconstruction from fully or partially
transformed child microstructures has been integrated into the open-source crystallographic …

Recent developments of crystallographic analysis methods in the scanning electron microscope for applications in metallurgy

R Borrajo-Pelaez, P Hedström - Critical Reviews in Solid State and …, 2018 - Taylor & Francis
The field of metallurgy has greatly benefited from the development of electron microscopy
over the last two decades. Scanning electron microscopy (SEM) has become a powerful tool …

An improved X-ray diffraction analysis method to characterize dislocation density in lath martensitic structures

F HajyAkbary, J Sietsma, AJ Böttger… - Materials Science and …, 2015 - Elsevier
An improved X-ray diffraction line profile analysis method is developed to determine
dislocation density of lath martensitic steels. This method combines the modified Warren …

[HTML][HTML] Substructure and crystallography of lath martensite in as-quenched interstitial-free steel and low-carbon steel

A Shibata, G Miyamoto, S Morito, A Nakamura… - Acta Materialia, 2023 - Elsevier
In this study, the substructures and crystallographic features of as-quenched lath martensite
in interstitial-free (IF) steel and low-carbon steel (0.2 C steel) were investigated using …

[HTML][HTML] Understanding fusion zone hardness in resistance spot welds for advanced high strength steels: strengthening mechanisms and data-driven modeling

N Nadimi, M Pouranvari, R Ansari… - Journal of Materials …, 2023 - Elsevier
The fusion zone (FZ) hardness of resistance spot welds is a crucial factor affecting the
performance and durability of the welds. Failure mode transition, tendency to fail in …

Quantitative evaluation of dislocation density in as-quenched martensite with tetragonality by X-ray line profile analysis in a medium-carbon steel

T Masumura, K Inami, K Matsuda, T Tsuchiyama… - Acta Materialia, 2022 - Elsevier
The crystal structure of as-quenched martensite in steel changes from body-centered cubic
to body-centered tetragonal because of the presence of interstitial carbon, and the c/a ratio …

Iterative determination of the orientation relationship between austenite and martensite from a large amount of grain pair misorientations

T Nyyssönen, M Isakov, P Peura… - Metallurgical and Materials …, 2016 - Springer
An automatic, iterative method to determine the orientation relationship between parent
austenite and martensite is described. The algorithm generates the orientation relationship …

Understanding the factors controlling the hardness in martensitic steels

EI Galindo-Nava, PEJ Rivera-Díaz-del-Castillo - Scripta Materialia, 2016 - Elsevier
A unified description for the hardness in martensitic steels for a wide range of carbon
contents is presented. It is based on describing the strength contributions of lath and plate …

Crystallography, morphology, and martensite transformation of prior austenite in intercritically annealed high-aluminum steel

T Nyyssönen, P Peura, VT Kuokkala - Metallurgical and Materials …, 2018 - Springer
The crystallography and morphology of the intercritical austenite phase in two high-
aluminum steels annealed at 850° C were examined on the basis of electron backscattered …

Correlation between microstructure and yield strength of as-quenched and Q&P steels with different carbon content (0.06–0.42 wt% C)

G Gao, B Gao, X Gui, J Hu, J He, Z Tan, B Bai - Materials Science and …, 2019 - Elsevier
Quenching and partitioning (Q&P) steels have been attracted much attention due to
excellent combination of strength and ductility. However, the actual Q&P microstructures …