@article{d5b96addca0d4213b4138c7cb3d8e90a,
title = "Synchrotron X-ray study of bulk lattice strains in externally loaded Cu-Mo composites",
abstract = "A synchrotron X-ray transmission technique was applied to study the internal load transfer and micromechanical damage in molybdenum particle-reinforced copper matrix composites during plastic deformation. Mechanically loaded, 1.5-mm-thick specimens were irradiated with a monochromatic beam of 65 keV X-rays. Low-index diffraction rings of both phases were recorded with a high-resolution two-dimensional detector. By means of newly developed data processing routines, we could quantify as a function of applied stress both the ring distortion (from which the volume-averaged elastic strains in the two phases were calculated), and the ring graininess (which is related to the Bragg peak broadening). Based on this information, the deformation and damage processes in these alloys were studied in detail. As compared to conventional neutron diffraction methods, the photon transmission technique yielded similar precision but at much reduced measurement times. The main sources of experimental errors were identified and strategies to minimize these errors were developed.",
author = "Alexander Wanner and Dunand, {David C.}",
note = "Funding Information: This paper is dedicated to the memory of Professor Jerome B. Cohen (Northwestern University) who introduced us to the technique of synchrotron X-ray diffraction, lent us his miniature tensile device, and encouraged us through many helpful discussions. We also thank Dr. Mark R. Daymond (ISIS, Harwell, United Kingdom) for providing unpublished neutron single-peak data presented in Figures 17(a) and (b). AW gratefully acknowledges the Max Kade Foundation (New York, NY) as well as the Eshbach Society (Evanston, IL) for supporting his stay at Northwestern University, during which the experimental work was performed. The diffraction experiments were performed at the DuPont-Northwestern-Dow Collaborative Access Team (DND-CAT) Synchrotron Research Center located at the Advanced Photon Source (Argonne National Laboratory, IL), whose staff we acknowledge for their excellent technical support. DND-CAT is supported by the E.I. DuPont de Nemours & Co., The Dow Chemical Company, the United States National Science Foundation through Grant No. DMR-9304725, and the State of Illinois through Grant No. IBHE HECA NWU 96. Use of the Advanced Photon Source was supported by the United States Department of Energy under Contract No. W-31-102-Eng-38.",
year = "2000",
doi = "10.1007/BF02830344",
language = "English (US)",
volume = "31",
pages = "2949--2962",
journal = "Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science",
issn = "1073-5623",
publisher = "Springer Boston",
number = "11",
}