[HTML][HTML] The Portevin-Le Chatelier effect in nickel-base superalloys: Origins, consequences and comparison to strain ageing in other alloy systems

BS Rowlands, C Rae, E Galindo-Nava - Progress in Materials Science, 2023 - Elsevier
Abstract Dynamic Strain Ageing (DSA) has reached widespread acceptance since its
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …

Serration and noise behaviors in materials

Y Zhang, JP Liu, SY Chen, X Xie, PK Liaw… - Progress in Materials …, 2017 - Elsevier
Serration and noise behaviors in plastically deforming solids are related to avalanches of
deformation processes. In the stress-strain curves, the serration characteristics are visible as …

The influence of shearable and nonshearable precipitates on the Portevin-Le Chatelier behavior in precipitation hardening AlMgScZr alloys

H Chen, Z Chen, G Ji, S Zhong, H Wang… - International Journal of …, 2021 - Elsevier
The well-known mechanisms of interaction between precipitates and dislocations are
shearing (for shearable precipitates) and bypassing mechanisms (for nonshearable …

Arc-based directed energy deposited Inconel 718: role of heat treatments on high-temperature tensile behavior

FW Cipriano Farias, V Rebelo Duarte… - Materials Research …, 2024 - Taylor & Francis
This study evaluated the effect of dedicated heat treatments (1050° C, 1100° C, 1142° C,
and 1185° C/2 h+ double-aging) on the uniaxial tensile properties at elevated temperature …

Effect of Co on creep and stress rupture properties of nickel-based superalloys-A review

R Su, D Hao, P He, D Wu, Q Wang, H Dong… - Journal of Alloys and …, 2023 - Elsevier
Nickel-based superalloys are widely used in aircraft engines and land-based gas turbines
due to their high yield strength and good creep resistance. Co in nickel-based superalloys …

Microstructure and mechanical properties of nickel based superalloy IN718 produced by rapid prototyping with electron beam melting (EBM)

A Strondl, M Palm, J Gnauk… - Materials Science and …, 2011 - journals.sagepub.com
A nickel alloy of a composition similar to that of the nickel based superalloy Inconel alloy 718
(IN718) was produced with the electron beam melting (EBM) process developed by Arcam …

Mechanical behavior of inconel 625 at elevated temperatures

MM De Oliveira, AA Couto, GFC Almeida, DAP Reis… - Metals, 2019 - mdpi.com
Inconel 625 is a nickel-based alloy that is mainly used in high-temperature applications.
Inconel 625 exhibits an unstable plastic flow at elevated temperatures characterized by …

Quantitative assessment of the influence of the Portevin-Le Chatelier effect on the flow stress in precipitation hardening AlMgScZr alloys

H Chen, Y Chen, Y Tang, G Ji, Y Bréchet, S Zhong… - Acta Materialia, 2023 - Elsevier
Abstract Portevin-Le Chatelier (PLC) effect often occurs in many alloy systems and leads to
flow stress variations. When precipitation occurs, the PLC behavior changes and its resultant …

Influences of solution cooling on microstructures, mechanical properties and hot corrosion resistance of a nickel-based superalloy

DG He, YC Lin, Y Tang, L Li, J Chen, MS Chen… - Materials Science and …, 2019 - Elsevier
The influences of solution cooling on the microstructures, mechanical properties and hot
corrosion resistance of a nickel-based superalloy are researched. It is found that the …

Microstructure and mechanical properties of laser powder bed-fused IN625 alloy

K Inaekyan, A Kreitcberg, S Turenne… - Materials Science and …, 2019 - Elsevier
This study focuses on linking the mechanical properties of laser powder bed fusion-
processed IN625 alloy, more specifically its propensity for elevated temperature ductility …