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Fast Response Measurements of Internal Die Cavity Temperature Using an Infra-red Sensing Pyrometer

ABSTRACT
The goal of this project is to develop diagnostic systems that integrate high-speed IR cameras, miniature sapphire viewing windows and IR fiber optics in order to measure the rapid temperature response of tooling that is used in aluminum die casting. These conditions are very demanding in that typical die filling transients occur in less than 100 milliseconds, exceed 700 degrees celsius and 30,000 psi. Industrial interest in this capability in motivated by applications that would allow experimental verification of computational modeling codes and improved instrumentation and control systems. The Oak Ridge National Laboratory (Oak Ridge, TN) is developing diagnostic systems that integrate high-speed IR cameras, miniature sapphire viewing windows and IR fiber optics in order to measure the rapid temperature response of tooling that is used in aluminum die casting. These conditions are very demanding in that typical die filling transients occur in less than 100 milliseconds, exceed 700 degrees celsius and 30,000 psi. Industrial interest in this capability in motivated by applications that would allow experimental verification of computational modeling codes and improved instrumentation and control systems.
PERFORMING ORGANIZATION
Oak Ridge National Laboratory
CONTACT INFORMATION
Steve Udvardy
North American Die Casting Association
241 Holbrook Drive
Wheeling, IL  60090
website: www.diecasting.org

phone: (847) 279-0001
fax: (847) 279-0002
email: udvardy@diecasting.org

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