26 research outputs found

    The DIAMANT electronics and data acquisition system

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    We describe the electronics and data acquisition system of the 4 pi light particle multidetector array DIAMANT. This system has been conceived to be very modular with regard to both the kind and number of detectors. The whole system is designed to run either with a few additional ancillary detectors (Ge) or linked to 4 pi gamma arrays such as EUROGAM. Part of the electronics has been designed using SMD devices; the acquisition is based on CAMAC ADCs and VME units for data acquisition, data transfer is handled via a 32bit ECL bus (DT32) used for EUROGAM. The data acquisition, distributed on a network, is based on the VxWorks Real Time kernel and the UNIX Operating System

    The SCC of single crystals of β brass in water: Fractography and crystallography

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    The crystallography of transgranular stress corrosion cracking (TG-SCC) in randomly oriented β brass single crystals exposed to distilled water has been studied over a range of electrochemical potentials and slow strain rates. Transgranular SCC in this system is characterized by unusually large {001} crystallographic facets. Steps linking these primary {001} facets were also observed to be of the {001} orientation. Additionally, it is observed that cracking prefers to follow the \u3c 011\u3e directions. © 1989 The Minerals, Metals & Materials Society and ASM International
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