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microstructure evolution

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Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 407-417, October 11–14, 2016,
... Abstract The paper deals with microstructural evolution in the AISI 316LN + 0.1 wt.% Nb steel during long-term creep exposure at 600 and 625°C. The following minor phases formed: Z-phase (NbCrN), M 23 C 6 , M6X (Cr3Ni2SiX type), η-Laves (Fe2Mo type) and σ-phase. M6X gradually replaced M 23 C 6...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 156-161, October 21–24, 2019,
... focused ion beam-scanning electron microscopy Laves phase microstructure evolution nanoscale secondary ion mass spectrometry normalizing precipitation Joint EPRI 123HiMAT International Conference on Advances in High Temperature Materials October 21 24, 2019, Nagasaki, Japan J. Shingledecker, M...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 246-252, October 21–24, 2019,
... rights reserved. www.asminternational.org PROPERTIES AND MICROSTRUCTURE EVOLUTION OF ADVANCED HIGH PERFORMANCE FERRITIC (HIPERFER) STEELS J. Lopez Barrilao*, B. Kuhna, T. Fischera aForschungszentrum Jülich GmbH Institute for Energy and Climate Research Microstructure and Properties of Materials (IEK-2...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 433-440, October 21–24, 2019,
... localization microstructure evolution wrought nickel based superalloys Joint EPRI 123HiMAT International Conference on Advances in High Temperature Materials October 21 24, 2019, Nagasaki, Japan J. Shingledecker, M. Takeyama, editors httpsdoi.org/10.31339/asm.cp.am-epri-2019p0433 Copyright © 2019 ASM...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 812-820, October 21–24, 2019,
.... Takeyama, editors httpsdoi.org/10.31339/asm.cp.am-epri-2019p0812 Copyright © 2019 ASM International® All rights reserved. www.asminternational.org Microstructure Evolution and High-Temperature Strength of Thermomechanical Processed Near- Ti Alloys Haruki Masuyama National Institute for Materials Science...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1224-1236, October 21–24, 2019,
.... Charpy toughness electron back-scattered diffraction fossil power plants microstructure evolution nickel-chromium-molybdenum-vanadium steel scanning electron microscopy steam turbine shafts tensile strength thermal aging treatment Vickers microhardness Joint EPRI 123HiMAT International...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 265-275, October 22–25, 2013,
... Abstract Inconel alloy 740H is designated for boiler sueprheater/reheater tubes and main steam/header pipes application of advanced ultra-supercritical (A-USC) power plant at operating temperatures above 750°C. Microstructure evolution and precipitates stability in the samples of alloy 740H...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 365-376, October 11–14, 2016,
... Abstract Long-term creep tested specimens of the advanced austenitic stainless steel Super 304H were subjected to detailed metallographic analysis with an emphasis on the relationship between creep induced cavities (voids) and microstructural features. The creep specimens were tested between...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 1067-1074, October 11–14, 2016,
... Proceedings from the Eighth International Conference October 11 14, 2016, Albufeira, Algarve, Portugal httpsdoi.org/10.31399/asm.cp.am-epri-2016p1067 Copyright © 2016 ASM International®. All rights reserved. J. Parker, J. Shingledecker, J. Siefert, editors LONG-TERM MICROSTRUCTURAL EVOLUTION IN A 10%CR HIGH...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 1149-1159, October 11–14, 2016,
...-TERM CREEP RUPTURE STRENGTH AND MICROSTRUCTURAL EVOLUTION OF WELDMENTS IN MOD.9CR-1MO STEELS Ko Arisue and Nobuyoshi Komai Mitsubishi Heavy Industries, Ltd., Nagasaki, Japan Kimihiko Tominaga and Masaaki Fujita Mitsubishi Hitachi Power Systems, Ltd., Yokohama, Japan ABSTRACT Large heat-to-heat...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 1160-1169, October 11–14, 2016,
..., 2016, Albufeira, Algarve, Portugal httpsdoi.org/10.31399/asm.cp.am-epri-2016p1160 Copyright © 2016 ASM International®. All rights reserved. J. Parker, J. Shingledecker, J. Siefert, editors MICROSTRUCTURAL EVOLUTION AND MECHANICAL PROPERTIES IN SIMULATED HEAT AFFECTED ZONE REGIONS OF GRADE 91 WELDS Kyle...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 197-204, October 21–24, 2019,
... plant, directly exposed to turbine flue gasses. Tubing samples were progressively extracted, analyzed and compared with laboratory specimens in similar condition. This research shows the performance of Thor 115 regarding steam oxidation and microstructure evolution up to 25,000 exposure hours...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 265-272, October 21–24, 2019,
... on Advances in High Temperature Materials October 21 24, 2019, Nagasaki, Japan J. Shingledecker, M. Takeyama, editors httpsdoi.org/10.31339/asm.cp.am-epri-2019p0265 Copyright © 2019 ASM International® All rights reserved. www.asminternational.org MICROSTRUCTURAL EVOLUTION AND MECHANICAL PROPERTIES OF T122...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 703-714, October 21–24, 2019,
... as this will help researchers understand the long-term microstructural evolution and degradation of the material, which can impact the performance and lifetime of the components that are in service. In this research, the microstructure of an ex-service Super 304H reheater tube that has been in service for 99,000...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1159-1168, October 21–24, 2019,
..., microstructural evolution of T91/TP347H dissimilar welds after different service conditions were studied, mechanical properties before and after service were also analyzed, a full investigation into the failure cause was carried out. The results show, the dissimilar metal welds in the as-welded condition consists...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1340-1350, October 21–24, 2019,
... Abstract The present study presents a detailed investigation on the evolution of the microstructure during welding on virgin and long-term service exposed (creep aged 1 = 535°C; 16.1 MPa; 156 kh and creep aged 2 = 555°C; 17.0 MPa; 130 kh) 12% Cr (X20CrMoV11-1) martensitic steel. This study...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 143-154, October 22–25, 2013,
... the microstructural evolution in large, sand-cast components of Haynes 282. Microstructure, referring to the arrangement of grains and phases within the material, significantly impacts its properties. The research examines the alloy in its as-cast condition and after various pre-service heat treatments, aiming...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 424-435, October 22–25, 2013,
... Abstract The microstructural evolution of the Ni-based superalloy CMSX-4 including the change in gamma prime size and distribution and the degree of rafting has been examined in detail using field emission gun scanning electron microscopy (FEGSEM) and transmission electron microscopy (TEM...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 615-626, October 22–25, 2013,
...,-2U0S1A3p0615 D. Gandy, J. Shingledecker, editors THE EFFECT OF POST WELD HEAT TREATMENT ON THE CREEP BEHAVIOUR AND MICROSTRUCTURAL EVOLUTION IN GRADE 92 STEEL WELDS FOR STEAM PIPE APPLICATIONS X. Xu, G.D. West, and R.C. Thomson Department of Materials, Loughborough University, Loughborough, LE11 3TU, UK J...
Proceedings Papers

AM-EPRI2004, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fourth International Conference, 1071-1085, October 25–28, 2004,
... testing allowed extrapolation of stress values for rupture in 100,000 hours (93 MPa at 600°C) and 1% elongation in 250,000 hours (83 MPa at 600°C), satisfying ECCC and TÜV requirements. Additionally, STEM analysis investigated microstructure and precipitate evolution after long-term exposure, revealing...