Characterization of X80 and X100 Microalloyed Pipeline Steel Using Quantitative X-ray Diffraction

Characterization of X80 and X100 Microalloyed Pipeline Steel Using Quantitative X-ray Diffraction TOPICAL COLLECTION: ADVANCES IN MATERIALS MANUFACTURING AND PROCESSING Characterization of X80 and X100 Microalloyed Pipeline Steel Using Quantitative X-ray Diffraction J.B. WISKEL, X. LI, D.G. IVEY, and H. HENEIN Quantitative X-ray diffraction characterization of four (4) X80 and three (3) X100 microalloyed steels was undertaken. The effect of through-thickness position, processing parameters, and composition on the measured crystallite size, microstrain, and J index (relative magnitude of crystallographic texture) was determined. Microstructure analysis using optical microscopy, scanning electron microscopy, transmission electron microscopy, and electron-backscattered diffraction was also undertaken. The measured value of microstrain increased with increasing alloy content and decreasing cooling interrupt temperature. Microstructural features corresponding to crystallite size in the X80 steels were both above and below the detection limit for quantitative X-ray diffraction. The X100 steels consistently exhibited microstructure features below the crystallite size detection limit. The yield stress of each steel increased with increasing microstrain. The increase in microstrain from X80 to X100 is also associated with a change in microstructure from predominantly polygonal ferrite to bainitic ferrite. https://doi.org/10.1007/s11663-018-1298-4 The Minerals, Metals & Materials Society and ASM International 2018 [15] I. INTRODUCTION Previous work by the authors used quantitative X-ray diffraction (QXRD) to quantify the mean size http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Metallurgical and Materials Transactions B Springer Journals

Characterization of X80 and X100 Microalloyed Pipeline Steel Using Quantitative X-ray Diffraction

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Publisher
Springer US
Copyright
Copyright © 2018 by The Minerals, Metals & Materials Society and ASM International
Subject
Materials Science; Metallic Materials; Characterization and Evaluation of Materials; Structural Materials; Surfaces and Interfaces, Thin Films; Nanotechnology
ISSN
1073-5615
eISSN
1543-1916
D.O.I.
10.1007/s11663-018-1298-4
Publisher site
See Article on Publisher Site

Abstract

TOPICAL COLLECTION: ADVANCES IN MATERIALS MANUFACTURING AND PROCESSING Characterization of X80 and X100 Microalloyed Pipeline Steel Using Quantitative X-ray Diffraction J.B. WISKEL, X. LI, D.G. IVEY, and H. HENEIN Quantitative X-ray diffraction characterization of four (4) X80 and three (3) X100 microalloyed steels was undertaken. The effect of through-thickness position, processing parameters, and composition on the measured crystallite size, microstrain, and J index (relative magnitude of crystallographic texture) was determined. Microstructure analysis using optical microscopy, scanning electron microscopy, transmission electron microscopy, and electron-backscattered diffraction was also undertaken. The measured value of microstrain increased with increasing alloy content and decreasing cooling interrupt temperature. Microstructural features corresponding to crystallite size in the X80 steels were both above and below the detection limit for quantitative X-ray diffraction. The X100 steels consistently exhibited microstructure features below the crystallite size detection limit. The yield stress of each steel increased with increasing microstrain. The increase in microstrain from X80 to X100 is also associated with a change in microstructure from predominantly polygonal ferrite to bainitic ferrite. https://doi.org/10.1007/s11663-018-1298-4 The Minerals, Metals & Materials Society and ASM International 2018 [15] I. INTRODUCTION Previous work by the authors used quantitative X-ray diffraction (QXRD) to quantify the mean size

Journal

Metallurgical and Materials Transactions BSpringer Journals

Published: Jun 4, 2018

References

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