Atom probe tomography 2012

TF Kelly, DJ Larson - Annual review of materials research, 2012 - annualreviews.org
In the world of tomographic imaging, atom probe tomography (APT) occupies the high-
spatial-resolution end of the spectrum. It is highly complementary to electron tomography …

An overview of rhenium effect in single-crystal superalloys

M Huang, J Zhu - Rare Metals, 2016 - Springer
Nickel-based single-crystal superalloys are the key materials for the manufacturing and
development of advanced aeroengines. Rhenium is a crucial alloying element in the …

New strategy to improve the overall performance of single-crystal superalloys by designing a bimodal γ′ precipitation microstructure

W **a, X Zhao, J Wang, Q Yue, Y Cheng, L Kong… - Acta Materialia, 2023 - Elsevier
Advanced single-crystal superalloys, developed to improve the high temperature capability
of gas turbines, often underperform in low-temperature conditions. This limitation …

Coarsening kinetics of γ′ precipitates in the commercial nickel base Superalloy René 88 DT

J Tiley, GB Viswanathan, R Srinivasan, R Banerjee… - Acta Materialia, 2009 - Elsevier
René 88 DT samples were subjected to different cooling rates after a supersolvus treatment,
and aged for varying periods of time from 25 to 200h at 760° C. Primary and secondary γ …

Advanced scale bridging microstructure analysis of single crystal Ni‐base superalloys

AB Parsa, P Wollgramm, H Buck… - Advanced …, 2015 - Wiley Online Library
In the present work, we show how conventional and advanced mechanical, chemical, and
microstructural methods can be used to characterize cast single crystal Ni‐base superalloy …

Influence of cooling rate on the development of multiple generations of γ′ precipitates in a commercial nickel base superalloy

ARP Singh, S Nag, JY Hwang, GB Viswanathan… - Materials …, 2011 - Elsevier
The compositional and microstructural evolution of different generations of γ′ precipitates
during the continuous cooling of a commercial nickel base superalloy, Rene88DT, has been …

Coarsening kinetics of γ′ precipitates in cobalt-base alloys

S Meher, S Nag, J Tiley, A Goel, R Banerjee - Acta Materialia, 2013 - Elsevier
The expeditious development of novel cobalt-base γ–γ′ alloys as possible next generation
superalloys critically depends on achieving a comprehensive understanding of the …

Elemental site occupancy in the L12 A3B ordered intermetallic phase in Co-based superalloys and its influence on the microstructure

P Pandey, SK Makineni, A Samanta, A Sharma… - Acta Materialia, 2019 - Elsevier
We explore the effects of the elemental site occupancy in γ′-A 3 B (L1 2) intermetallic
phases and their partitioning across the γ/γ′ interface in a class of multicomponent W-free …

On the nature of γ′ phase cutting and its effect on high temperature and low stress creep anisotropy of Ni-base single crystal superalloys

LA Jacome, P Nörtershäuser, C Somsen, A Dlouhý… - Acta Materialia, 2014 - Elsevier
The creep anisotropy of the single crystal superalloy LEK 94 deformed in tension along [0 0
1] and [1 1 0] directions at 1293 K and 160 MPa was investigated. Elementary …

Determination of the structure of α-β interfaces in metastable β-Ti alloys

Y Zheng, REA Williams, GB Viswanathan, WAT Clark… - Acta Materialia, 2018 - Elsevier
The crystallography and structure of the interfaces formed between refined hexagonal close
packed (hcp) α precipitates and the body centered cubic (bcc) β matrix in a solution-treated …