Progress in modelling solidification microstructures in metals and alloys. Part II: dendrites from 2001 to 2018

W Kurz, M Rappaz, R Trivedi - International Materials Reviews, 2021 - Taylor & Francis
This is the first account of the history of modelling dendritic and cellular solidification. While
Part I reviewed the progress up to the year 2000 [Kurz W, Fisher DJ, Trivedi R. Progress in …

Recent advances in grain refinement of light metals and alloys

MA Easton, M Qian, A Prasad, DH StJohn - Current Opinion in Solid State …, 2016 - Elsevier
Grain refinement leads, in general, to a decreased tendency to hot tearing, a more dispersed
and refined porosity distribution, and improved directional feeding characteristics during …

Microstructure evolution of laser cladded NiCrBSi coating assisted by an in-situ laser shock wave

H Yang, M Shi, E Zhao, Q Wang, H Liu, J Hao - Journal of Materials …, 2023 - Elsevier
Laser cladding assisted by an in-situ laser shock wave was proposed in this study to obtain
a refined grain structure, and NiCrBSi coatings-with and without laser shock waves,(LSW) …

[HTML][HTML] Grain refinement and laser energy distribution during laser oscillating welding of Invar alloy

Z Jiang, X Chen, H Li, Z Lei, Y Chen, S Wu, Y Wang - Materials & Design, 2020 - Elsevier
Laser oscillating welding method was employed to welding of Invar alloy so as to achieve
grain refinement and decrease internal defects. Effects of frequency and amplitude of beam …

[HTML][HTML] A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt …

F Wang, D Eskin, J Mi, C Wang, B Koe, A King… - Acta Materialia, 2017 - Elsevier
Using synchrotron X-ray high speed radiography, the fragmentation and refinement of pre-
existing primary Al 2 Cu intermetallic dendrites induced by ultrasonic melt processing in a …

A review of the origin of equiaxed grains during solidification under mechanical stirring, vibration, electromagnetic, electric-current, and ultrasonic treatments

N Balasubramani, J Venezuela, D StJohn… - Journal of Materials …, 2023 - Elsevier
Refinement of grains and intermetallic phases in the as-solidified alloy structure offers
uniform structural properties, eliminates or minimizes common solidification defects …

Solute enrichment induced dendritic fragmentation in directional solidification of nickel-based superalloys

N Ren, C Panwisawas, J Li, M **a, H Dong, J Li - Acta Materialia, 2021 - Elsevier
Dendritic fragmentation should be strictly prevented to avoid introducing new equiaxed
grains of arbitrary orientations (known as freckles) in the single crystal blade, whose …

TiCp reinforced Ti6Al4V of follow-up synchronous electromagnetic induction-laser hybrid directed energy deposition: Microstructure evolution and mechanical …

G Ma, X Liu, C Song, F Niu, D Wu - Additive Manufacturing, 2022 - Elsevier
In this work, the follow-up synchronous electromagnetic induction-laser hybrid directed
energy deposition (FEMI-DED) was proposed to prepare 10 wt% TiC p reinforced Ti6Al4V …

The contribution of constitutional supercooling to nucleation and grain formation

DH StJohn, A Prasad, MA Easton, M Qian - Metallurgical and Materials …, 2015 - Springer
The concept of constitutional supercooling (CS) including the term itself was first described
and discussed qualitatively by Rutter and Chalmers in order to understand the formation of …

[HTML][HTML] Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under …

Z Zhang, C Wang, B Koe, CM Schlepütz, S Irvine, J Mi - Acta Materialia, 2021 - Elsevier
High speed synchrotron X-ray imaging and ultrafast tomography were used to study in situ
and in real time the fragmentation and growth dynamics of dendritic microstructures of an Al …