Results 11 to 20 of about 21,064 (214)

Effect of Pre-Post TIG Welding Heat Treatment on Cast NI Superalloy [PDF]

open access: yesAnnals of "Dunarea de Jos" University of Galati, Fascicle XII, Welding Equipment and Technology, 2020
The effect of a pre (before) and post (after) heating welding treatment on the microstructure and mechanical properties of the scrap blades made of cast INC738LC superalloy is the main goal of the present investigation. The filler used in TIG welding was
C. Saib   +4 more
doaj   +2 more sources

Research on vacuum-electromagnetic casting of IN100 superalloy ingots

open access: yesScience and Technology of Advanced Materials, 2007
In order to improve the inner quality of superalloy master alloy ingots, the new technology of superalloy vacuum-electromagnetic casting, i.e. applying electromagnetic stirring (EMS) to the solidification process of superalloy vacuum casting was ...
Wenzhong Jin, Tingju Li and Guomao Yin
doaj   +1 more source

High-Throughput Data Generation and Transfer Learning Enabled Microstructure-Property Integrated Design of Nickel-Based Powder Metallurgy Superalloy. [PDF]

open access: yesAdv Sci (Weinh)
An integrated transfer learning framework integrates CALPHAD simulations, diffusion‐multiple experiments, and literature data to predict long‐term microstructural stability and short‐term mechanical properties of Ni‐based powder metallurgy superalloys. Based on these model predictions, a high‐performance, low‐density alloy, USTB‐PM750, is designed from
Li Z   +8 more
europepmc   +2 more sources

Influence of grain orientation distribution on the high temperature fatigue behaviour of notched specimen made of polycrystalline nickel-base superalloy [PDF]

open access: yes, 2021
Two different material batches made of random and textured orientated polycrystalline nickel-base superalloy René80 were investigated under isothermal low cycle fatigue tests at 850 °C for a notched specimen geometry.
Benedikt Engel   +7 more
core   +1 more source

Investigation of delamination mechanisms during a laser drilling on a cobalt-base superalloy [PDF]

open access: yes, 2013
Temperatures in the high pressure chamber of aircraft engines are continuously increasing to improve the engine efficiency. As a result, constitutive materials such as cobalt and nickel-base superalloys need to be thermally protected.
SCHNEIDER, Matthieu   +8 more
core   +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

Influence of coating on the thermal resistance of a Ni-Based superalloy [PDF]

open access: yes, 2006
In this paper, the influence of M-CrAlY polycrystalline coating on the thermal fatigue behavior of a Nickel-base superalloy has been investigated. A special device using a rotating bending machine and two thermal sources has been used to perform thermo ...
Stephan, Nicolas   +2 more
core   +1 more source

Segmentation and Measurement of Superalloy Microstructure Based on Improved Nonlocal Block

open access: yesIEEE Access, 2022
The microstructure of superalloy materials has a decisive impact on its service performance. When preparing the material and photographing the microstructure, different depths of metallography perpendicular to the cut plane appear in the microstructure ...
Lixin Zhang   +3 more
doaj   +1 more source

Liquation and post-weld heat treatment cracking in Rene 80 laser repair welds [PDF]

open access: yes, 2012
An extensive experimental study on a nickel-based superalloy, Rene 80 using autogenous laser welding has been undertaken to determine the effect of the process parameters and weld bead geometry on cracking in the as-welded and post- weld heat treated ...
Colegrove, Paul A.   +7 more
core   +1 more source

Plastic deformation behavior and dynamic recrystallization of Inconel 625 superalloy fabricated by directed energy deposition

open access: yesMaterials & Design, 2020
In this study, the hot plastic deformation behavior and dynamic recrystallization (DRX) phenomenon of Inconel 625 superalloy prepared by directed energy deposition (DED) are investigated by carrying out hot compression tests.
Y.L. Hu   +7 more
doaj   +1 more source

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