Combinatorial Investigation of Ferromagnetic Shape-Memory Alloys in the Ni-Mn-Al Ternary System Using a Composition Spread Technique

Olugbenga O. Famodu, Jason Hattrick-Simpers, Maria Aronova, Kao Shuo Chang, Makoto Murakami, Manfred Wuttig, Teiko Okazaki, Yasubumi Furuya, Lee A. Knauss, Leonid A. Bendersky, Frank S. Biancaniello, Ichiro Takeuchi

研究成果: Article同行評審

27 引文 斯高帕斯(Scopus)

摘要

Using a thin-film composition spread technique, we have mapped the phase diagram of the Ni-Mn-Al ternary system in search of ferromagnetic shape-memory alloys (FMSA). A characterization technique that allows detection of martensitic transitions by visual inspection using micromachined cantilever arrays was combined with quantitative magnetization mapping using scanning superconducting quantum interference device (SQUID) microscopy. A large compositional region in the Al deficient part of the phase diagram was found to be ferromagnetic and reversibly martensitic at room temperature. In addition, in the Al rich region, a new compositional range that displays marked ferromagnetism was found.

原文English
頁(從 - 到)173-177
頁數5
期刊Materials Transactions
45
發行號2
DOIs
出版狀態Published - 2004 2月

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 機械工業

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