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Showing 1 to 12 of 12 for “"Haynes 230"”.
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High temperature creep behavior of Inconel 617 and Haynes 230
… Currently, Ni-based Inconel 617 (Alloy 617) and Haynes 230 (Alloy 230) are considered to be the leading metallic candidate materials for applications in the HTGR due to their favorable mechanical properties at high temperatures. In the present study, focus is placed on the biaxial, long term, …
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Surface degradation and creep of Inconel 617 and Haynes 230 at high temperatures
… of the HTGR. Inconel 617 (alloy 617) and Haynes 230 (alloy 230) are considered as primary candidate materials for serving in the HTGR, due to their exceptional combination of high temperature strength and oxidation resistance. In this study, surface degradation owing to environmental …
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A Quantitative Study of the Weldability of Inconel 718 Using Gleeble and Varestraint Test Methods
… alloy Inconel 718 was tested and compared to Haynes 230 using Gleeble and Varestraint mechanical test methods. Hot cracking susceptibility was examined in either alloy using a sub-scale Varestraint test method at 5 augmented strain levels: 0.25%, 05.%, 1%, 2%, and 4%. Maximum crack length, …
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Advanced experimental measurements of heterogeneous strain and temperature change in metals
… deformation in the nickel-based superalloy Haynes 230 and elastocaloric cooling in shape memory alloys. Three loading conditions were examined in the elevated temperature portion: fatigue crack growth, creep, and tension. Measurements were made on varying length scales using digital image …
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The microstructural evolution of fatigue cracks in FCC metals
… slip FCC metals. The planar materials included Haynes 230, Nitronic 40, and 316 stainless steel, and the wavy materials included pure nickel and pure copper. Three different sets of experiments were performed to fully characterize the microstructural evolution. The first, performed on Haynes …
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Corrosion of various engineering alloys in supercritical carbon dioxide
… were F91, HCM12A, 316SS, 31OSS, AL-6XN, 800H, Haynes 230, Alloy 625, PE-16, and PM2000. The experimental procedure consisted of placing multiple samples of each alloy in an autoclave and exposing them to S-CO2 for up to 3000 hours, in 500 hour increments. At every 500 hour increment each alloy …
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Design considerations of a 15kW heat exchanger for the CSPonD Project
… exchanger. Alloys Inconel 671, Inconel 625, and Haynes 230 had the highest allowable stresses at 750 °C, while the stainless steel alloys 310S and 321 have the lowest allowable stresses at 750 °C. Corrosion data for the examined molten salts and high temperature materials near the heat exchanger …
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High-temperature corrosion study of alloys in molten MgCl₂-KCl eutectic salt
… corrosion behavior and protection strategies of Haynes 230 (H230), Incoloy 800H (800H), and Stainless Steel 316 (SS316) in MgCl₂-KCl molten salt at high temperature. First of all, the corrosion rates of different alloys are determined by performing the long-term static corrosion experiments. The …
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Behavior of alloy 617 at 650°C in low oxygen pressure environments
… behavior was compared with the one of alloys Haynes 230 and Incoloy 908 in the same conditions.
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Design, Analysis, and Initial Testing of a Fiber-Optic Shear Gage for 3D, High-Temperature Flows
… newer fiber optics. The sensor is constructed of Haynes 230, a high-temperature nickel alloy. The gage housing is made of 316 stainless steel. All components of the gage in pure fiber-optic form can survive to a temperature of 1073 K. The bonding methods of the backup strain gages limit their …
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High temperature creep-fatigue behavior of alloy 617 and alloy 230
… superalloy alloy 617 (Inconel 617) and alloy 230 (Haynes 230) are considered as the leading metallic candidate materials for applications in the VHTR because of their favorable mechanical properties at elevated temperatures. The major damage mechanism for materials used in the VHTR is …
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Nondestructive Evaluation Of Thermal Barrier Coatings With Thermal Wave Imaging And Photostimulated Luminescence Spectroscopy
… ZrO2 - 7wt.% Y2O3 on NiCoCrAlY bond coats with Haynes 230 superalloy substrate. As-coated specimens of varying thicknesses were evaluated by TWI to examine its applicability as a thickness measurement tool. It was found that heat dissipation through the TBC following pulsed excitation by xenon …