L12-Strengthened Cobalt-Base Superalloys
The discovery of the γ′-Co3 (Al, W) phase with an L12 structure provided Co-base alloys
with a new strengthening mechanism, enabling a new class of high-temperature material …
with a new strengthening mechanism, enabling a new class of high-temperature material …
Formation and effect of topologically close-packed phases in nickel-base superalloys
AS Wilson - Materials Science and Technology, 2017 - Taylor & Francis
The formation of topologically close-packed (TCP) phases in nickel-base superalloys is an
issue of increasing importance as alloys are designed with higher refractory element …
issue of increasing importance as alloys are designed with higher refractory element …
Thermodynamics-guided alloy and process design for additive manufacturing
In conventional processing, metals go through multiple manufacturing steps including
casting, plastic deformation, and heat treatment to achieve the desired property. In additive …
casting, plastic deformation, and heat treatment to achieve the desired property. In additive …
Nickel-based superalloys for advanced turbine engines: chemistry, microstructure and properties
The chemical, physical, and mechanical characteristics of nickel-based superalloys are
reviewed with emphasis on the use of this class of materials within turbine engines. The role …
reviewed with emphasis on the use of this class of materials within turbine engines. The role …
In situ observation of crystal rotation in Ni-based superalloy during additive manufacturing process
D Zhang, W Liu, Y Li, D Sun, Y Wu, S Luo… - Nature …, 2023 - nature.com
Understanding the dynamic process of epitaxial microstructure forming in laser additive
manufacturing is very important for achieving products with a single crystalline texture. Here …
manufacturing is very important for achieving products with a single crystalline texture. Here …
New Co-based γ-γ′ high-temperature alloys
New cobalt-based alloys containing ordered L1 2 precipitates have been investigated. With
additions of Cr, Mo, Ni, Re, Ta, and V to the ternary Co-Al-W system, two phase γ-γ …
additions of Cr, Mo, Ni, Re, Ta, and V to the ternary Co-Al-W system, two phase γ-γ …
Directional solidification of large superalloy castings with radiation and liquid-metal cooling: A comparative assessment
A columnar-grain variant of single-crystal RENÉ N4 has been directionally solidified (DS)
over a range of conditions in order to assess the possible benefits of the use of liquid metal …
over a range of conditions in order to assess the possible benefits of the use of liquid metal …
Grain structure development in directional solidification of nickel-base superalloys
A Wagner, BA Shollock, M McLean - Materials Science and Engineering: A, 2004 - Elsevier
The microstructures of three single crystal superalloys (CMSX4, CM186LC and CMSX10)
that exhibit quite different casting properties have been characterised quantitatively …
that exhibit quite different casting properties have been characterised quantitatively …
Thermal-solutal-fluid flow of channel segregation during directional solidification of single-crystal nickel-based superalloys
Channel segregation–known as freckle–is one of the most complex defects which severely
limit mechanical properties of investment cast single-crystal turbine blades. The freckle …
limit mechanical properties of investment cast single-crystal turbine blades. The freckle …
A new mechanism for freckle initiation based on microstructural level simulation
Freckle formation was directly simulated in three dimensions with a microstructure level
model for unidirectional solidified Pb–Sn alloys. The microscale solidification model …
model for unidirectional solidified Pb–Sn alloys. The microscale solidification model …