Ni-Superalloy, heat treated above gamma-prime solvus
Micrograph shows a close up of the secondary γ' present within the centre of γ grains. This form of γ' grows with prolonged exposure to temperature and forms the blocky primary γ' found on the grain boundaries. View schematic diagram of γ' microstructure
Author(s): R J Mitchell, Rolls-Royce University Technology Ce

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Ni-Superalloy, heat treated above gamma-prime solvus
This micrograph shows a high magnification image of The morphology of γ' is discernible as grey 'blocky' precipitates, approximately 2μm in diameter. The small white particles present, due to their atomic contrast visible in back-scattered mode, are discernable as MC carbides. View schematic diagram of γ' microstructure
Author(s): R J Mitchell, Rolls-Royce University Technology Ce

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Author(s): The Betty Smithers Design Collection at Staffordsh

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Ni-Superalloy, heat treated above gamma-prime solvus
Micrograph shows a microstructure now devoid of γ' as at this temperature it has become fully dissolved into the matrix. This results in grain growth, partly due to the solution of γ' into the γ matrix and also because the main mechanism for preventing grain growth, namely the primary γ' is no longer present. Carbide phases still exist and act in places to inhibit grain boundary motion and therefore grain growth. View schematic diagram of γ' microstructure
Author(s): R J Mitchell, Rolls-Royce University Technology Ce

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Author(s): Leeds Metropolitan University

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21L.704 Studies in Poetry - British Poetry and the Sciences of the Mind (MIT)
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This subject investigates the special relation of women to several musical folk traditions in the British Isles and North America. Throughout, we will be examining the implications of gender in the creation, transmission, and performance of music. Because virtually all societies operate to some extent on a gendered division of labor (and of expressive roles) the music of these societies is marked by the gendering of musical repertoires, traditions of instrumentation, performance settings, and st
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21L.488 Contemporary Literature: British Novels Now (MIT)
What is Britain now? Its metropolises are increasingly multicultural. Its hold over its distant colonies is a thing of the past. Its sway within the global political arena is weak. Its command over Northern Ireland, Wales, and Scotland is broken or threatened. What have novelists made of all this? What are they writing as the old empire fades away and as new social and political formations emerge? These are the questions that will concern us in this course.
Author(s): Brouillette, Sarah

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