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A XAFS Study on the Site Determination of Additives in the Ni3Al Intermetallic Compound

Year: 1997

Type: article

Abstract: Occupied sites by dopants of Ag(0.1 at%), Pd(2at%) and Zr(0.4at%) in the Ni3Al intermetaillic compound are investigated by means of EXAFS analysis. It is found that Pd substitutes the Ni site and Zr substitutes the Al site. These results are consistent with tthose of channeling enhanced microanalysis. Ag is also determined to substitute in the Ni site by EXAFS and this result supports that Ag additive is γ-phase(disorder phase) former. The expansion of the nearest neighbor distance around Ag, Pd and Zr are 2%, 3% and 4% respectively.

Source: Journal de Physique IV (Proceedings)

DOI: 10.1051/jp4:19972212

Authors: M. Sakurai, M. Matsuura, K. Suzuki, A. Chiba, S. Hanada

Institutions: Tohoku University, Institute for Materials Research, Tohoku University, Iwate University

Language: English

Topic: Intermetallics and Advanced Alloy Properties

Subfield: Mechanical Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2076284201

FWCI:

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Cited by: 1

Related to: 10