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Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 1116-1126, October 22–25, 2013,
... toughness Advances in Materials Technology for Fossil Power Plants Proceedings from the Seventh International Conference October 22 25, 2013, Waikoloa, Hawaii, USA httpsdoi.org/10.31399/asm.cp.am-epri-2013p1116 Copyright © 2014 Electric Power Research Institute, Inc. Distributed by ASM International®...
Proceedings Papers

AM-EPRI2004, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fourth International Conference, 1136-1145, October 25–28, 2004,
... Abstract Effects of Ni content and heat treatment condition on impact toughness and creep strength of precipitation strengthened 15Cr ferritic steels were investigated in order to discuss a possibility of improvement in both mechanical properties. Both creep strength and impact toughness...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 1014-1029, August 31–September 3, 2010,
... Abstract The toughness of girth welds in 9Cr-1Mo-V and 9Cr-0.5Mo-V steel seamless pipe (ASME SA-335 Grades P91 and P92, respectively) made using the flux-cored arc welding (FCAW) process was evaluated. Electrodes from two different suppliers were used for production quality welding of each...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 11-21, October 21–24, 2019,
... compositions were cut in the diffusion layers by focused ion beam milling. The fracture toughness and the critical resolved shear stress (CRSS) were measured by in-situ microcantilever bending tests and micropillar compression tests, respectively. The hardness, Young's modulus and CRSS are nearly constant...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 405-415, October 21–24, 2019,
... Abstract In the present study, the Inconel 617B superalloy welded trial rotor was fabricated by narrow gap tungsten inert gas (NG-TIG) welding and the effects of temperature on fracture toughness of its welded joint were investigated at 650 ℃ and 730 ℃. Fracture toughness (J0.2) of the base...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1351-1360, October 21–24, 2019,
... be a worthy candidate for use in production because it has superior creep resistance. At the same time, resistance to cyclic and dynamic loads is very important. In this work, we studied the low cycle fatigue (LCF) properties at room and elevated (500-650°C) temperatures and Charpy impact toughness...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 662-668, February 25–28, 2025,
... of the fraction of transition metals and vacancy could be possible for designing (Ti.TM)C x with high strength and toughness. shear modulus stoichiometric effects titanium carbide toughness Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 1069-1078, October 21–24, 2019,
... cool was carried out. The hardness and impact toughness of welded joints were measured, and the microstructure evolution after aging at 750℃ for 3000h was investigated by scanning electron microscopy(SEM). The results show that, during the aging process, the hardness of weld metal increases firstly...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 1249-1256, February 25–28, 2025,
...- 0.1Ta-Mn-Si-C, in weight percent, developed at Oak Ridge National Laboratory in 2007. The alloy design includes reducing the hardness in the as-welded condition for improving toughness, while increasing the hardenability for preserving the high-temperature mechanical performance such as creep-rupture...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 855-860, February 25–28, 2025,
... (ERNiCrMo-3) filler materials. Specimens were welded with the temper-bead/controlled deposition welding technique. The weld processes used were HP-GTAW, GMAW and SMAW. The fatigue performance, HAZ hardness and toughness of the weld samples was evaluated. The HP-GTAW welds exhibited an order of magnitude...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 931-938, October 11–14, 2016,
... strength of base metal Creep ductility Toughness EXPERIMENTAL PROCEDURE Normalized and tempered laboratory melted plates, the product pipes and tubes of SAVE12AD were prepared, while welded joint tubes with the filler wires of W62-10CMWV-Co (Gr. 92) and Ni base filler wire ERNiCr-3 (Alloy82) were prepared...
Proceedings Papers

AM-EPRI2004, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fourth International Conference, 692-702, October 25–28, 2004,
... Abstract The small punch (SP) test technique can generate tensile, toughness, and creep strength data from very small specimens, enabling nondestructive sampling from large components. This has accelerated industry interest in SP, particularly in the energy sector. A round-robin for the SP...
Proceedings Papers

AM-EPRI2024, Advances in Materials, Manufacturing, and Repair for Power Plants: Proceedings from the Tenth International Conference, 1279-1288, February 25–28, 2025,
..., the oxidation resistance of the rapidly solidified MoSiBTiC alloy at 1100 °C was dramatically improved, probably due to the microstructure refinement effect with ultrafine grains. However, the fracture toughness value of the rapidly solidified MoSiBTiC alloy was about 8 MPa·m 1/2 , less than half of the cast...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 116-122, October 21–24, 2019,
...°C. Despite of the presence of coarse W-rich particles, the impact toughness of the low-temperature- homogenized steel in the tempered condition was significantly higher than that of the steel homogenized at 1200°C creep rate dispersion hardening impact toughness martensitic stainless steel...
Proceedings Papers

AM-EPRI2019, 2019 Joint EPRI – 123HiMAT International Conference on Advances in High-Temperature Materials, 830-835, October 21–24, 2019,
... and better than SiC/SiC ceramic matrix composites. Furthermore, the fracture toughness of the alloy is much better (>15 MPa(m) 1/2 ) than Mo-Si-B ternary alloys (<10 MPa(m) 1/2 ) even if the volume fraction of Mo solid solution is less than 50 %. The improvement of fracture toughness would be caused...
Proceedings Papers

AM-EPRI2016, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Eighth International Conference, 1001-1009, October 11–14, 2016,
... was early overcome and was wrong. According to the present experience the T24 steel is welded with preheating at 150-250°C depending on the wall thickness and welded joint toughness in order to achieve required hardness and impact toughness values. Opinions on the T24 welded joints post weld heat treatment...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 1030-1044, August 31–September 3, 2010,
... flux-fill or other manufacturing irregularities. Properties were also known to vary, especially consistent toughness. Today, availability of numerous alloys is far more comprehensive. FCAW wires are manufactured for applications involving low carbon steels, low alloy steels for both high and low...
Proceedings Papers

AM-EPRI2013, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Seventh International Conference, 537-548, October 22–25, 2013,
... without PWHT is too high. It can be reduced to HV250 after PWHT. Figure 2: The hardness of welded joints of T23 tube 3.5 Temper brittleness of butt welds of T23 tube The impact toughness of T23 tube s butt welds at different post weld heat treatments is shown in Fig.3. The result shows that the impact...
Proceedings Papers

AM-EPRI2004, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Fourth International Conference, 899-918, October 25–28, 2004,
... the framework of COST 522 program concerning the influence of simulation of element temperature operating conditions on Chaгpy V notch toughness, HV10 hardness, microstructure of simulated HAZ's, assessment of steel weldability, strength properties. The welded joints structure stability and HAZ after stress...
Proceedings Papers

AM-EPRI2010, Advances in Materials Technology for Fossil Power Plants: Proceedings from the Sixth International Conference, 762-786, August 31–September 3, 2010,
... Reactor Program (LMFBR). ORNL together with Combustion Engineering, initiated a program to develop a superior grade of 9Cr-1Mo steel which called for 512ºC (970ºF) service temperature and toughness of 54J (40 Ft-lbs) at room temperature. This was achieved through the controlled additions of vanadium (V...