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Persistent URL http://purl.org/net/epubs/work/62903
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Record Id 62903
Title Neutrons for Materials Engineering at ISIS:Present and Future Capabilities
Abstract Pulsed neutron beams available at the ISIS spallation source offer diverse possibilities for materials characterization using diffraction and imaging. The Engin-X instrument at ISIS is a world leading neutron diffractometer purpose-built for stress evaluation in the context of materials engineering and research. Engin-X is used extensively by both engineers and materials scientists to address a wide range of engineering problems: new welding technologies; thermal cycling of materials; fatigue crack initiation and propagation; the development of strain measurement standards etc. Engin-X has large sample mounting space, which provides the flexibility for the users to bring their own ancillary devices, such as welding rigs to perform real-time strain measurements during joining. An in situ mountable servo-hydraulic stress rig can apply up to 100 KN tensile or compressive cyclic loads. The rig is equipped with a furnace and a cryogenic chamber that allow the sample to be maintained at temperatures from -200 °C to 1100 °C within normal atmosphere or under inert gas. The automation of experimental setup for complex shape samples can be addressed via the use of the coordinate measurement machine (CMM), laser scanning inspection arms, a robotic arm and the virtual laboratory, SScanSS. In addition, the GEM instrument offers the method of evaluating representative crystallographic textures of bulk materials from -270 °C to 1800 °C. A range of recent experimental studies will be discussed to how the technique provides the basis for developing improved insight into materials of great importance to applications and industry, in particular for the development of modern engineering processes and structural integrity investigations in engineering components made from steel. The future capabilities at ISIS will also be discussed - proposed imaging beamline for engineering application. In order to enhance the neutron imaging capabilities at ISIS and to complement the existing materials analysis facilities, the first neutron tomography instrument at a pulsed neutron source is being designed for the ISIS Second Target Station. The new instrument, IMAT, will be a state-of-the art combined instrument for cold neutron radiography and diffraction analysis for materials science, materials processing, and engineering studies.
Organisation ISIS , ENGIN-X , STFC
Keywords Engineering
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Language English (EN)
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Presentation Presented at 2nd UK-China Steel Research Forum, Wuhan, China, April, 2012. 2012
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