Results 41 to 50 of about 225,646 (268)

The temperature dependent lattice misfit of rhenium and ruthenium containing nickel-base superalloys – Experiment and modelling

open access: yesMaterials & Design, 2021
The lattice misfit between γ and γ' phase is a key parameter in Ni-base superalloys. Resulting internal coherency stresses govern the microstructure, its evolution and mechanical properties. Here, the influence of important alloying elements Re and Ru on
S. Neumeier, F. Pyczak, M. Göken
doaj   +1 more source

Static and dynamic aspects of coupling between creep behavior and oxidation on MC2 single crystal superalloy at 1150 °C [PDF]

open access: yes, 2005
Creep tests were performed on thin wall specimens made of MC2 single crystal superalloy at 1150 °C and under controlled atmosphere. The results highlight the deleterious oxidation effect on creep properties.
Andrieu, Eric   +3 more
core   +2 more sources

Xe Ion Irradiation-Induced Microstructural Evolution and Hardening Effect of Nickel-Base Superalloy

open access: yesScience and Technology of Nuclear Installations, 2021
The nickel-base superalloy Hastelloy N was irradiated using 1 MeV Xe20+ and 7 MeV Xe26+ ions with displacement damage ranging from 0.5 dPa to 10 dPa at room temperature (RT). The irradiated Ni-based superalloy was characterized with transmission electron
Yu Hou   +5 more
doaj   +1 more source

High-reliability repair of single-crystal Ni-base superalloy by selective electron beam melting

open access: yesMaterials & Design, 2022
Here, we report the utilisation of a powder-bed-fusion additive manufacturing to achieve the CMSX-4 single-crystal repair with René N5 powders. The single-crystal repair is characterised by a fine columnar dendritic substructure, limited in-grain ...
S. Tao, R. Gao, H. Peng, H. Guo, B. Chen
doaj   +1 more source

Microstructural aspects of fatigue in Ni-base superalloys [PDF]

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2015
Nickel-base superalloys are primarily used as components in jet engines and land-based turbines. While compositionally complex, they are microstructurally simple, consisting of small (50–1000 nm diameter), ordered, coherent Ni3(Al,Ti)-type L12or Ni3Nb-type DO22precipitates (calledγ′andγ′′, respectively) embedded in an FCC substitutional solid solution ...
openaire   +2 more sources

Heat treatment for superalloy [PDF]

open access: yes, 1987
A cobalt-free nickel-base superalloy composed of in weight % 15 Cr-5 Mo-3.5 Ti-4 Al-0.07 (max) C-remainder Ni is given a modified heat treatment.
Harf, Fredric H.
core   +1 more source

Advances in Solid‐Phase Processing Techniques: Innovations, Applications, and Future Perspectives

open access: yesAdvanced Materials Technologies, EarlyView.
Based on practical manufacturing challenges, this review examines advanced solid‐phase processing techniques that overcome the inherent limitations of conventional melting‐based and traditional solid‐phase manufacturing, enabling the production of higher‐performance components at reduced cost through process innovation and improved supply‐chain ...
Tianhao Wang
wiley   +1 more source

Influence of Environment on Creep Properties of MC2 Single Crystal Superalloy at 1150°C [PDF]

open access: yes, 2004
In order to reveal the effect of oxidation on thin blade walls, a new machine allowing tests up to 1250°C under controlled atmosphere has been designed.
Andrieu, Eric   +4 more
core   +1 more source

Navigating the Ethereal Tightrope: The Nanogenerator Manipulates Neurons for Immune Equilibrium

open access: yesAdvanced Science, EarlyView.
This review explores how nanogenerators modulate neuroimmune responses, offering innovative strategies for treating neurological disorders. By interfacing with neural pathways, they enable precise control of immune activity, especially via vagus nerve stimulation.
Jia Du   +5 more
wiley   +1 more source

Quantifying Additive Manufacturing Vapor Plumes Using Laser‐Induced Breakdown Spectroscopy, Synchrotron X‐Ray Radiography and Simulations

open access: yesAdvanced Science, EarlyView.
This study presents a novel in situ laser‐induced breakdown spectroscopy system for monitoring metal vapors produced by the intense laser‐metal interactions in laser powder bed fusion additive manufacturing and laser welding. The insights from this new technique reveal changes in alloy compositions and provide the first in situ validation of multi ...
Anna C. M. Getley   +8 more
wiley   +1 more source

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