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Title: Investigations of iron-alumina metal-ceramic composites: Effect of ruthenium and nickel on the hydrogen reduction of trivalent iron during the formation of the composite
Authors: Verelst, M
Kannan, K R
Subbanna, G N
Rao, C N R
Brieu, M
Rousset, A
Keywords: Iron
Issue Date: Apr-1993
Publisher: Pergamon-Elsevier Science Ltd
Citation: Materials Research Bulletin 28(4), 293-303 (1993)
Abstract: Effect of ruthenium and nickel on the reduction behavior of Fe3+/Al2O3 to give the Fe-Al2O3 metal-ceramic composite has been studied by employing x-ray diffraction, 57Fe Mossbauer spectroscopy and electron microscopy. Both ruthenium and nickel promote the hydrogen reduction of Fe3+, giving nearly total reduction to the metallic phase at 1220K. Besides metallic iron in the ferromagnetic alpha-form, paramagnetic alloys of Fe with Ru and Ni are formed during the reduction.
Description: Restricted Access
Other Identifiers: 0025-5408
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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