Results 21 to 30 of about 4,091,571 (176)

Hot isostatic pressing of single-crystal nickel-base superalloys: Mechanism of pore closure and effect on Mechanical properties

open access: yesMATEC Web of Conferences, 2014
Pore annihilation was investigated in the single-crystal nickel-base superalloy CMSX-4. HIP tests at 1288 °C/103 MPa were interrupted at different times, then the specimens were investigated by TEM, metallography and density measurements. The kinetics of
Epishin Alexander I.   +4 more
doaj   +1 more source

Phase Transformations in Nickel base Superalloy Inconel 718 during Cyclic Loading at High Temperature

open access: yesProduction Engineering Archives, 2017
Nickel base superalloys are hi-tech materials intended for high temperature applications. This property owns a complex microstructure formed by matrix of Ni and variety of precipitates.
Michal Jambor   +4 more
doaj   +2 more sources

Microstructure and Mechanical Properties of Wide-gap Brazed Joints of K465 Alloy Using Cobalt-base Brazing Alloy

open access: yesJournal of Aeronautical Materials, 2017
Vacuum brazing of K465 superalloy was carried out by using Co45NiCrWB cobalt-base filler metal at 1220 ℃ for different holding time, and the joint clearance was 0.5 mm pre-filled with FGH95 nickel-base superalloy powder.
PAN Hui, ZHAO Haisheng
doaj   +1 more source

Electrochemical Noise Analysis of Nickel Based Superalloys in Acid Solutions

open access: yesInternational Journal of Electrochemical Science, 2014
In this paper we study the corrosion behavior of nickel-based superalloys (Inconel 690, Inconel 718, Incoloy 800, Incoloy 825), compared with commercial steels (carbon Steel 1018 and stainless steel 304), in acid (10% H2SO4 and 10 % CH3COOH) and H2O at ...
C. Gaona-Tiburcio   +7 more
doaj   +1 more source

The Structure and Stability of High Temperature Intermetallic Phases for Application within Coating Systems [PDF]

open access: yes, 2009
The reduction of noise and emissions is becoming increasingly important in civil aircraft jet engines as well as requirements for reduced fuel consumption and improved efficiency.
Roberts, Tracey
core   +6 more sources

Mechanism of improved intermediate temperature plasticity of nickel-base single crystal superalloy with hot isostatic pressing

open access: yesJournal of Materials Research and Technology, 2021
In this work, we investigate the effect of hot isostatic pressing on the intermediate temperature tensile property of nickel-base single crystal superalloy.
Weidong Xuan   +6 more
doaj   +1 more source

A thermodynamic model for predicting Ti and Al element of SiO2–Al2O3–FeO–TiO2–CaO–MgO–CaF2 slag in electroslag remelting process

open access: yesJournal of Materials Research and Technology, 2023
The control of titanium and aluminium in nickel-base superalloy with high titanium and low aluminium during the electroslag remelting (ESR) process has not been resolved well so far.
Jianpeng Tan   +5 more
doaj   +1 more source

Effects of microstructure on room temperature fatigue crack initiation and short crack propagation in Udimet 720Li Ni-base superalloy

open access: yes, 2008
An assessment of the effects of microstructure on room temperature fatigue crack initiation and short crack propagation in a Ni-base superalloy is presented.
Pang, H.T., Reed, P.A.S.
core   +1 more source

Microstructure and mechanical properties of wide gap brazing joint of the third-generation nickel-based single crystal superalloy

open access: yesJournal of Aeronautical Materials, 2021
In this study, the third-generation rhenium containing single crystal superalloy was brazed by mixed powder filler, in which the mixed powder filler was consisted of nickel-based powder filler and the superalloy powder with the same composition of the ...
LI Kexin   +8 more
doaj   +1 more source

Tensile Behavior of Long-term Aged Nickel-base Superalloy

open access: yesHigh Temperature Materials and Processes, 2015
The microstructural change of directionally solidified nickel-base superalloy which was aged at 900 °C for 1500 hours and tensile behavior at different temperatures were investigated by scanning electron microscope (SEM) and transmission electron ...
Xia P. C., Chen F. W., Xie K., Yu J. J.
doaj   +1 more source

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