Table of Contents

Preface ix


Symposium Organizers/Editors  xi


Engineering High Quality Castings I


Bifilms and Hot Tearing of Al-Si Alloys 3
Muhammet Uluda? , Remzi Çetín, and Derya Di?pinar


Crack Susceptibility of Binary Aluminum Alloys: Analytical Equations 11
Jiangwei Liu and Sindo Kou


The Unidirectional Solidification of Ti-46Al-8Nb Alloy with BaZrO3 Coated Al2O3 Mould 19
Chao Wei, Mingyang Li, Guangyao Chen, Hongbin Wang, Xionggang Lu, and Chonghe Li


Analytical Model of Filling Fine Features and Sharp Corners in Investment Casting of CMSX-4 27
L.P. Kroneman, M.J.M. Krane, and K.P. Trumble


Real-Time Radiography and Modeling of Porosity Formation in an A356 Aluminum Alloy Wedge Casting 35
Vahid Khalajzadeh, David D. Goettsch, and Christoph Beckermann


Modeling of Distortion of a Steel Bracket Sand Casting 43
D. Galles and C. Beckermann


SiC Particle Reinforced Al Matrix Composite by SIMA 51
Emirhan Ayd?n, Caglar Yuksel, Eray Erzi, and Derya Dispinar


Evolution of Primary Fe-Rich Compounds in Secondary Al-Si-Cu Alloys 59
Alberto Fabrizi, Stefano Capuzzi, and Giulio Timelli


Casting Performance and Innovation


Methods of Reducing Materials’ Waste and Saving Energy in Investment Casting 69
H.A. Mahrabi, M.R. Jolly, and K. Salonitis


Quality Assessment of A356 Ingots from Different Suppliers in Wheel Production 77
Emre Koca, Caglar Yuksel, Eray Erzi, and Derya D?s¸p?nar


On the Relationship between Quality Index and Fatigue Life Distributions in B201 and D357 Alloy Aerospace Castings 85
Hüseyin Özdes¸ and Murat Tiryakio?lu


On the Properties and Performance of Ablation Cast Components 93
Murat Tiryakiog?lu and John Grassi


The Reliability of Ductile Casting Iron Dependent on Runner System Design: An Example of Support Bracket of Brake Caliper 101
Fu-Yuan Hsu, Kuo-Nien Wang, and Cheng-Lung Li


Corrosion Resistance of Stainless Steels in Biodiesel 109
Alejandra S. Román, Claudia M. Méndez, and Alicia E. Ares


Characterization of Tensile Deformation in AZ91D Mg Alloy Castings 117
Ogün Ünal and Murat Tiryakio?lu


On the Mean Stress Correction in Fatigue Life Assessment in Cast Aluminum Alloys 125
Hüseyin Özdes¸ and Murat Tiryakio?lu


Effects of Sr on the Microstructure of Electromagnetically Stirred Semi Solid Hypoeutectic Al-Si Alloys 133
M. Nouri, R. Beygi, M. Zarezadeh Mehrizi, A. Nouri, and M. Ebrahimi


Engineering High Quality Castings II


Grain Refinement of Al-Si Hypoeutectic Alloys by Al3Ti1B Master Alloy and Ultrasonic Treatment 143
Gui Wang, Eric Qiang Wang, Arvind Prasad, Matthew Dargusch, and David H StJohn


Influence of Process Parameters on the Microstructure and Casting Defects of a LPDC Engine Block 151
Giulio Timelli and Daniele Caliari


Preliminary Investigation of the Grain Refinement Mechanism in Cu Alloys 159
A.K. Cziegler and P. Schumacher


Solidification Analysis of a Magnesium-Zinc Alloy Using In-Situ Neutron Diffraction 167
Abdallah Elsayed, Dimitry Sediako, and Comondore Ravindran


Change in Silicon Morphology with Time and Temperature in Sr Modified A356 175
Sadik Kaan Ipek, Caglar Yuksel, Eray Erzi, and Derya Dispinar


Effects of Casting Conditions on End Product Defects in Direct Chill Casted Hot Rolling Ingots 185
Arda Yorulmaz, Ça?lar Yüksel, Eraz Erzi, and Derya Dispinar


A Coupled Thermal-Stress Model of A319 Alloy Chilled Sand Casting 195
Farzaneh Farhang Mehr, Steve Cockcroft, and Daan Maijer


Effect of Duration on Ti Grain Refinement of A356 and Melt Quality 203
Özen Gürsoy, Eray Erzi, Ça?ar Yüksel, and Derya Dispinar


Author Index 209


Subject Index 211

About the Author

Murat Tiryakioçlu, University of North Florida.
Mark Jolly, Cranfield University, United Kingdom.
Glenn Byczynski, Nemak.