Recent advances in hot tearing during casting of aluminium alloys

Y Li, H Li, L Katgerman, Q Du, J Zhang… - Progress in Materials …, 2021 - Elsevier
Hot tearing is one of the most severe and irreversible casting defects for many metallic
materials. In 2004, Eskin et al. published a review paper in which the development of hot …

[HTML][HTML] Modelling of defects in aluminium cast products

M Jolly, L Katgerman - Progress in materials science, 2022 - Elsevier
Over the last 4 decades, remarkable progress has been made in the modelling of casting
processes. The development of casting models is well reflected in the proceedings of the 15 …

[图书][B] Physical metallurgy of direct chill casting of aluminum alloys

DG Eskin - 2008 - taylorfrancis.com
Pulling together information previously scattered throughout numerous research articles into
one detailed resource, this book connects the fundamentals of structure formation during …

Hot tearing criteria evaluation for direct-chill casting of an Al-4.5 pct Cu alloy

Suyitno, WH Kool, L Katgerman - Metallurgical and Materials Transactions …, 2005 - Springer
Predicting the occurrence of hot tears in the direct-chill (DC) casting of aluminum alloys by
numerical simulation is a crucial step for avoiding such defects. In this study, eight hot …

A new methodology for measurement of semi-solid constitutive behavior and its application to examination of as-cast porosity and hot tearing in aluminum alloys

AB Phillion, SL Cockcroft, PD Lee - Materials Science and Engineering: A, 2008 - Elsevier
Hot tearing and as-cast porosity are the two defects which impede the performance of cast
products. The effect of porosity on hot tearing was investigated using a novel semi-solid …

Modeling of hot tearing formation during solidification

N Hatami, R Babaei, M Dadashzadeh… - Journal of materials …, 2008 - Elsevier
A new criterion for the appearance of hot tears in metallic alloys is proposed. This model
introduces a critical solid fraction (fcr) to simulate feeding. A hot-cracking sensitivity (HCS) …

Thermal evolution in the direct chill casting of an Al-4 pct Cu alloy using the low-Reynolds number turbulence model

GC Nzebuka, MA Waheed - International Journal of Thermal Sciences, 2020 - Elsevier
A numerical investigation of thermal evolution in a direct chill casting of an Al–4% Cu alloy
using a code friendly version of the low-Re turbulence model was reported. Detailed …

Accounting for Melt Flow Pattern and Solid Fraction Evolution in DC Casting of Al-Cu Alloy Using Turbulence Model

GC Nzebuka, MA Waheed, SI Kuye… - … Materials Transactions B, 2019 - Springer
Experimental techniques remain reliable approaches for investigating the effects of
parameters of the direct chill (DC) casting process on macrosegregation, grain structure …

Element-free Galerkin formulation for solving transient heat transfer problems of direct chill casting processes

JC Álvarez Hostos, AD Bencomo… - Canadian …, 2017 - Taylor & Francis
The present work has been conducted in order to develop a novel solution for the transient
heat transfer problem during the startup phase of a direct-chill casting (DCC) process by …

Investigation of macrosegregation for different dendritic arm spacing, casting temperature, and thermal boundary conditions in a direct-chill casting

MA Waheed, GC Nzebuka - Applied Physics A, 2020 - Springer
The study of macrosegregation for different dendritic arm spacing, casting temperature, and
cooling conditions in a Direct-Chill (DC) casting was investigated in the present study. The …