Results 11 to 20 of about 80,663 (312)

Review on the Corrosion Behaviour of Nickel-Based Alloys in Supercritical Carbon Dioxide under High Temperature and Pressure

open access: yesCrystals, 2023
Supercritical carbon dioxide (S-CO2) has the advantages of amphoteric liquid and gas, which possesses many unique characteristics, such as good compressibility, high density, high solubility, good fluidity and low viscosity.
Yiyao Kang   +5 more
doaj   +2 more sources

Influence of Alloying Elements on the Microstructure and Selected High-Temperature Properties of New Cobalt-Based L12-Reinforced Superalloys [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
The study investigated the primary structure of the new generation of superalloys based on Co-10Al-5Mo-2Nb and Co-20Ni- 10Al-5Mo-2Nb cobalt. Research on a group of cobalt-based materials was initiated in 2006 by J. Sato [1].
M. Kierat   +3 more
doaj   +1 more source

Effect of Process Control Agent on Microstructures and High-Temperature Oxidation Behavior of a Nickel-Based ODS Alloy

open access: yesMetals, 2022
Two nickel-based oxide-dispersion-strengthened (ODS) alloys supplemented with different amounts of process control agent (PCA) were prepared. The microstructures including grains and nanometric oxides and the subsequent oxidation behavior of these ODS ...
Zhe Mao   +3 more
doaj   +1 more source

Assessment of the Hot Cracking Susceptibility of the Inconel 617 Nickel-Based Alloy [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
Nickel alloys, despite their good strength properties at high temperature, are characterized by limited weldability due to their susceptibility to hot cracking.
J. Adamiec, N. Konieczna
doaj   +1 more source

Control Technology of Materials and Microstructure Properties for Steam Turbine Blades in Ultra-supercritical Power Plants [PDF]

open access: yesTeshugang
The research progress and development status of ultra-supercritical steam turbine blade steels and alloys are reviewed. According to the different operating environments, blade materials can be classified into high-temperature blades and last-stage large
Zhao Jiqing   +4 more
doaj   +2 more sources

Influence of Heat Treatment on Microstructures and Mechanical Properties of NiCuCrMoTiAlNb Nickel-Based Alloy

open access: yesMetals, 2018
As-cast NiCuCrMoTiAlNb nickel-based alloys were subjected to two-stage heat treatment, including solution treatment and subsequent aging treatment.
Shuyong Jiang   +3 more
doaj   +1 more source

Electrochemical oxidation of binary copper-nickel alloys in cryolite melts [PDF]

open access: yes, 2007
Anodic oxidation of copper, nickel and two copper-nickel alloys was studied in cryolite melts at 1000°C. In an oxide-free melt, anodic dissolution of each material was observed, and the dissolution potential increases with the content of copper.
Palau, Patrice   +5 more
core   +1 more source

Corrosion of Metals and Nickel-Based Alloys in Liquid Bismuth–Lithium Alloy

open access: yesMetals, 2021
Bismuth–lithium alloys are considered as primary candidates for the reductive extraction step of on-line reprocessing of a molten salt reactor fuel.
Aleksandr V. Abramov   +6 more
doaj   +1 more source

SUPERALLOYS: AN INTRODUCTION WITH THERMAL ANALYSIS

open access: yesJournal of Fundamental and Applied Sciences, 2015
Nickel based superalloys are commonly used materials in the aero industry and more specifically in the hot section of aero engines. These nickel and nickel iron based superalloys are precipitation strengthened alloys with a face centered cubic gamma ...
S. S. Raza
doaj   +1 more source

An investigation into cracking in nickel-base superalloy repair welds [PDF]

open access: yes, 2010
The nickel-base superalloy Rene 80 is considered very susceptible to liquation and strain-age cracking. Material in the solutionised condition is welded using the Cold Metal Transfer, or CMT process (with ductile filler alloy) and autogenously using a
Colegrove, Paul A.   +3 more
core   +1 more source

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