Zobrazeno 1 - 10 of 312 pro vyhledávání: '"W.D. Armstrong"'
2
An experimental and modeling investigation of the external strain, internal stress and fiber phase transformation behavior of a NiTi actuated aluminum metal matrix composite
Autor: P.H. Larsen, W.D. Armstrong, P. Brøndsted, T. Lorentzen
Publikováno v: Acta Materialia. 46:3455-3466
The present work reports macroscopic thermal mechanical and in-situ neutron diffraction measurements from 22.9 vol.%, 50.7 at.% Ni–Ti fiber actuated 6082-T6 aluminum matrix composite and 6082-T6 homogeneous aluminum control materials subjected to a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ac669ac714c8f7b44a54fe28feeb477
https://doi.org/10.1016/s1359-6454(98)00020-2
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4
Aging and creep behavior of Sn3.9Ag0.6Cu solder alloy
Autor: W.D. Armstrong, Luu Nguyen, Qiang Xiao
Publikováno v: 2004 Proceedings. 54th Electronic Components and Technology Conference (IEEE Cat. No.04CH37546).
Aging effects and creep behavior along with microstructure changes in eutectic PbSn and the lead-free solder alloy Sn3.9Ag0.6Cu were studied. The room temperature aged Sn3.9Ag0.6Cu alloy continually age-softened due to the growth of relatively large
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0192bcd99b698b05382d3724c87bd9d1
https://doi.org/10.1109/ectc.2004.1320284
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5
Surface chemistry of activated hydrodesulfurization catalysts by X-ray photoelectron spectroscopy
Autor: Jacob S. Brinen, W.D. Armstrong
Publikováno v: Journal of Catalysis. 54:57-65
The surface chemical composition has been monitored by X-ray photoelectron spectroscopy (ESCA) for a series of hydrodesulfurization catalysts (CoMoAl 2 O 3 ) as a function of bulk cobalt concentration and fixed molbydenum concentration, with re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::772d83439045a25fe2a3a5db324080e9
https://doi.org/10.1016/0021-9517(78)90027-1
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6
An Evaluation of the Role of Vitamins and Minerals in the Control of Caries
Autor: W.D. Armstrong
Publikováno v: Journal of Dental Research. 27:376-396
It has been possible to produce clear evidence that certain -vitamins and minerals are required for the formation of teeth of normal structure. It has been very difficult, however, to demonstrate that mature teeth require these nutrients in amounts g
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3bb3d4601a699afd962021616434450
https://doi.org/10.1177/00220345480270031401
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