Quasi-steady state principle and in-situ real-time investigation of transient strains in 6061-T6 Al alloy using neutron diffraction

Conference · Mon Jan 01 00:00:00 EST 2007

OSTI ID:931992

Woo, Wan Chuck ^[1]; Brown, D. W. ^[2]; Choo, Hahn ^[1]; Clausen, B ^[2]; David, Stan A ^[1]; Feng, Zhili ^[1]; Hubbard, Camden R ^[1]; Wang, Xun-Li ^[1]

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1. ORNL
2. Los Alamos National Laboratory (LANL)

Neutron diffraction research has been limited to the "static" behavior of materials since the number of collected neutrons is insufficient to reach the adequate neutron counts in rapid changes of material state. In order to achieve the desired precision for the study of the transient material behavior, we propose an in-situ neutron-diffraction measurement method based on the quasi-steady state (QSS) phenomenon. The QSS principle was applied for the measurement of transient lattice spacing changes in a 6061-T6 aluminum alloy plate during thermo-mechanical processing.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). High Temperature Materials Lab. (HTML); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
• Sponsoring Organization: USDOE Laboratory Directed Research and Development (LDRD) Program
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 931992
• Resource Relation: Conference: 10th international conference on the mechanical behavior of materials, Busan, South Korea, 20070527, 20070531
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
NEUTRON DIFFRACTION
NEUTRONS
PLATES
PROCESSING
STRAINS
TRANSIENTS
Quasi-steady state
Neutron diffraction
Transient strain
Al alloys
Friction stir welding