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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Shape Casting: 6th International Symposium
Presentation Title Methods of Reducing Materials’ Waste and Saving Energy in Investment Casting
Author(s) Hamid Ahmad Mehrabi, Mark Jolly, Konstantinos Salonitis
On-Site Speaker (Planned) Mark Jolly
Abstract Scope This paper presents recent development in reducing materials’ waste and saving energy in investment casting process. Stages in investment casting process are: moulding (tooling, shelling, drying, de-waxing and firing) melting, alloying, pouring, solidification and finishing. It was foun¬¬¬d optimization or improved efficiency by the following procedures can lead to substantial time, energy and cost savings. Use of computer simulation, welding wax patterns onto runners, designing appropriate gating systems, reducing ceramic shell drying time and number of coatings, design and combining firing, preheat and heat treatment processes in one go, type of furnace, and finally accurate control of casting procedure can save energy and improves yield. The idea of using lean practices for improving the process steps is also discussed. Keywords Energy efficiency; Investment casting; Lean practices; shell moulding; Materials
Proceedings Inclusion? Planned: A print-only volume


A Coupled Thermal-stress Model of A319 Alloy Chilled Sand Casting
Analytical Model of Filling Fine Features and Sharp Corners in Investment Casting of CMSX-4
Bifilms and Hot Tearing of Al-Si Alloys
Change in Si Morphology with Time and Temperature in Sr Modified A356
Characterization of Tensile Deformation in AZ91D Mg Alloy Castings
Crack Susceptibility of Binary Aluminum Alloys: Analytical Equations
Effect of Duration on Ti Grain Refinement of A356 and Melt Quality
Effects of Casting Conditions on End Product Defects in Direct Chill Casted Hot Rolling Ingots
Effects of Sr on the Microstructure of Electromagnetically Stirred Semi Solid Hypoeutectic Al-Si Alloys
Evolution of Primary Fe-rich Compounds in Secondary Al-Si-Cu Alloys
Grain Refinement of Al-Si Hypoeutectic Alloys by Al3Ti1B Master Alloy and Ultrasonic Treatment
Influence of Process Parameters on the Microstructure and Casting Defects of a LPDC Engine Block
Methods of Reducing Materials’ Waste and Saving Energy in Investment Casting
Modeling of Distortion of a Steel Bracket Sand Casting
On The Mean Stress Correction in Fatigue Life Assessment in Cast Aluminum Alloys
On the Properties and Performance of Ablation Cast Components
On the Relationship between Quality Index, Fatigue Life and Fracture Toughness Distributions in D357 and B201 Alloy Castings
Preliminary Investigation of the Grain Refinement Mechanism in Cu Alloys
Quality Assessment of A356 Ingots from Different Suppliers in Wheel Production
Real-time Radiography and Modeling of Porosity Formation in an A356 Aluminum Alloy Wedge Casting
SiC Particle Reinforced Al Matrix Composite by SIMA
Solidification Analysis of Magnesium Alloys Using In-situ Neutron Diffraction
The Reliability of Ductile Iron Casting Dependent on Runner System Design: An Example of Support Bracket of Brake Caliper

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