Series in Materials Science and Engineering Novel Nanocrystalline Alloys and Magnetic Nanomaterials An Oxford–Kobe Materials Text Edited by Brian Cantor University of York, UK Institute of Physics Publishing Bristol and Philadelphia Copyright © 2005 IOP Publishing Ltd. # IOP Publishing Ltd 2005 Allrightsreserved.Nopartofthispublicationmaybereproduced,storedin a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior per- mission of the publisher. Multiple copying is permitted in accordance with the terms of licences issued by the Copyright Licensing Agency under the termsof its agreementwithUniversities UK (UUK). BritishLibrary Cataloguing-in-Publication Data A cataloguerecord for this bookis available from the British Library. ISBN0 7503 1002 2 Library ofCongress Cataloging-in-PublicationDataare available Series Editors:BCantor, M JGoringe andE Ma Commissioning Editor: Tom Spicer Production Editor: Simon Laurenson Production Control: SarahPlentyand Leah Fielding Cover Design: Victoria Le Billon Marketing: Nicola Newey, Louise Highamand Ben Thomas PublishedbyInstituteofPhysicsPublishing,whollyownedbyTheInstitute of Physics,London InstituteofPhysicsPublishing,DiracHouse,TempleBack,BristolBS16BE,UK USOffice:InstituteofPhysicsPublishing,ThePublicLedgerBuilding,Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106, USA Typeset by Academic+Technical, Bristol Indexby Indexing Specialists (UK) Ltd, Hove,East Sussex Printed in theUK by MPG Books Ltd, Bodmin, Cornwall Copyright © 2005 IOP Publishing Ltd. Contents Preface ix Acknowledgments xi SECTION 1: NANOCRYSTALLINE ALLOYS 1 Introduction Chapter 1 3 Thermodynamics ofnanocrystalline materials Livio Battezzati Universita de Torino Chapter 2 16 Nanostructure of amorphous alloys Yoshihiko Hirotsu ,Tadakatsu Ohkuba and Mitsuhide Matsuhita (cid:1) (cid:1) (cid:1)(cid:1) Osaka University, JEOL (cid:1) (cid:1)(cid:1) Chapter 3 42 Nanocrystalline,nanquasicrystallineandamorphousAlandMgalloys Akihisa Inoue and Hisamichi Kimura Tohoku University Chapter 4 77 Nanocrystallization in Al alloys Dmitri Louzguine and Akihisa Inoue Tohoku University Chapter 5 93 High strengthnanostructured Al-Fe alloys Kazuhiko Kita , HiroyukiSasaki ,Junichiro Nagahora and (cid:1) (cid:1) (cid:1) Akihisa Inoue (cid:1)(cid:1) YKK, Tohoku University (cid:1) (cid:1)(cid:1) Copyright © 2005 IOP Publishing Ltd. Chapter 6 101 Electrodeposited nanocrystalline Ni alloys Tohru Yamasaki Himeji InstituteofTechnology Chapter 7 121 Ni, Cu and Ti amorphous alloys Do Hyang Kim YonseiUniversity Chapter 8 134 Nanoquasicrystallization inZr alloys Eiichiro Matsubara and TakahiroNakamura TohokuUniversity Chapter 9 147 Quasicrystallinenanocomposites Won Tae Kim ChongjuUniversity SECTION 2: NOVEL NANOMATERIALS 157 Introduction Chapter 10 159 Nano-optoelectronics Peter Dobson Oxford University Chapter 11 171 Nanocrystallization insteelsby heavy deformation MinoroUmemoto Toyohashi University of Technology Chapter 12 187 Severeplasticdeformation MinoroFurukawa , Zenji Horita and Terence Langdon (cid:1) (cid:1)(cid:1) (cid:1)(cid:1)(cid:1) Fukuoka Universityof Education, KyushuUniversity, (cid:1) (cid:1)(cid:1) UniversityofSouthern California (cid:1)(cid:1)(cid:1) Chapter 13 205 Metal-ceramic nanocomposites De Liang Zhang WaikatoUniversity Copyright © 2005 IOP Publishing Ltd. Chapter 14 220 Alumina/silicon carbide nanocomposites Richard Todd Oxford University SECTION 3: MAGNETIC NANOMATERIALS 233 Introduction Chapter 15 235 Microfabricated granularfilms KTakanashi , SMitani , KYakushiji and H Fujimori (cid:1) (cid:1) (cid:1) (cid:1)(cid:1) TohokuUniversity, RIEMM (cid:1) (cid:1)(cid:1) Chapter 16 253 Ni and Fe nanocrystals Eiji Kita Tsukuba University Chapter 17 260 NanocrystallineFe-M-Balloys Akihiro Makino Akita Prefectural University Chapter 18 278 Advancesin nanocrystalline soft magnetic materials Yoshihito Yoshizawa Hitachi Metals Chapter 19 285 Applicationsof nanocrystallinesoft magnetic materials Rainer Hilzinger Vacuumschmelze Chapter 20 296 Nd-Fe-B nanocomposite permanent magnets Satoshi Hirosawa Sumitomo Special Metals Copyright © 2005 IOP Publishing Ltd. Preface This book is a text on novel nanocrystalline alloys and magnetic nano- materials arising out of presentations given at the fourth Oxford–Kobe Materials Seminar, heldatthe Kobe Institute on 11–14September2001. TheKobeInstituteisanindependentnonprofit-makingorganization.It was established by donations from Kobe City, Hyogo Prefecture and more than 100 companies all over Japan. It is based in Kobe City, Japan, and is operated in collaboration with St Catherine’s College, Oxford University, UK. The Chairman of the Kobe Institute Committee in the UK is Roger Ainsworth,MasterofStCatherine’sCollege;theDirectoroftheKobeInsti- tute Board is Dr Yasutomi Nishizuka; the Academic Director is Dr Helen Mardon, Oxford University; and the Bursar is Dr Kaizaburo Saito. The Kobe Institute was established with the objectives of promoting the pursuit of education and research that furthers mutual understanding between Japan and other nations, and to contribute to collaboration and exchange between academics and industrial partners. The Oxford–Kobe Seminars are research workshops which aim to promote international academic exchanges between the UK/Europe and Japan. A key feature of the seminars is to provide a world-class forum focused on strengthening connections between academics and industry in both Japan and the UK/Europe, and fostering collaborative research on timely problems of mutual interest. The fourth Oxford–Kobe Materials Seminar was on nanomaterials, concentrating on developments in science and technology over the next ten years. The co-chairs of the Seminar were Professor Akihisa Inoue of Tohoku University, Dr Yoshihito Yoshizawa of Hitachi Metals, Professor Brian Cantor of York University, Dr Paul Warren of Oxford University and Dr Kaizaburo Saito of the Kobe Institute. The Seminar Coordinator was Ms Pippa Gordon of Oxford University. The Seminar was sponsored by the Kobe Institute, St Catherine’s College and the Oxford Centre for Advanced Materials and Composites. Following the Seminar itself, all of the speakers prepared extended manuscripts in order to compile a text Copyright © 2005 IOP Publishing Ltd. suitable for graduates and for researchers entering the field. The contribu- tionsarecompiledintothreesections:nanocrystallinealloys,novelnanoma- terials, and magneticnanomaterials. The first, second and third Oxford–Kobe Materials Seminars were on aerospace materials in September 1998, solidification and casting in September 1999, and metal and ceramic composites in September 2000. The corresponding texts have already been published in the Institute of Physics Publishing Series in Materials Science and Engineering. The fifth, sixth and seventh Oxford–Kobe Materials Seminars were on automotive materials in September 2002, magnetic materials in September 2003 and spintronic materials in September 2004 respectively. The corresponding texts are currently in press in the Institute of Physics Publishing Series in Materials Science and Engineering. Copyright © 2005 IOP Publishing Ltd. Acknowledgments Brian Cantor The editor would like to thank the following: the Oxford–Kobe Institute Committee and St Catherine’s College, Oxford University, for agreeing to support the Oxford–Kobe Materials Seminar on Nanomaterials; Sir Peter Williams, Dr Yoshihito Yoshizawa, Dr Paul Warren, Dr Helen Mardon and Kaizaburo Saito for help in organizing the Seminar; and Ms Pippa Gordon, Ms Sarah French and Ms Linda Barton for help with preparing themanuscripts. Individual authors would like to make additional acknowledgments as follows. YoshihikoHirotsu, TadakatsuOkhuba and Mitsuhide Matsushita These investigations were partly supported by a Grant-in-Aid for Scientific Research on Priority Areas of the Ministry of Education, Science and Culture, Japan, and also supported by Special Coordination Funds for Promoting Science and Technology on the Nanohetero Metallic Materials programmefrom theScience and Technology Agency. Kazuhiko Kita, HiroyukiSasaki, JunichiroNagahora and Akihisa Inoue This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as a part of the Super Metal Technol- ogyproject. Tohru Yamasaki The author is deeply grateful to Professors Ogino and Mochizuki from Himeji Institute of Technology, Japan, for their useful discussions. The author also gratefully acknowledges financial support from the Kawanishi-Memorial Shinmaywa Scientific Foundation Japan (2001) and Copyright © 2005 IOP Publishing Ltd. theGrant-in-AidfromtheJapaneseMinistryofEducation,Culture,Sports, Science and Technology (2001). Do Hyang Kim This research was supported by the Creative Research Initiative of the Korean Ministryof Science and Technology. EiichiroMatsubara and Takahiro Nakamura Anomalousx-rayscatteringmeasurementswereobtainedusingsynchrotron radiation at the Photon Factory of the Institute of Materials Structure Science(IMSS)underproposalNo.2000G239.Theworkispartlysupported by Special Coordination Funds for Promoting Science and Technology on Nanohetero Metallic Materials from the Science and Technology Agency. The work is also financially supported by a Grant-in-Aid for Scientific Research on Priority Areas, (B)(2) (No. 12130201) from the Ministry of Education, Culture, Sports, Science andTechnology of Japan. Minoro Umemoto ThisworkwaspartlysupportedbytheFerrousSuperMetalConsortiumof Japan under the auspices of NEDO and the Grant-in-Aid by the Japan Society for the Promotion of Science. The author thanks Dr K Tsuchiya, Dr ZGLiu,Dr YXu, MsJ Yin and MrSuzukifor their involvement TerenceLangdon Cooperation in preparing this chapter was made possible through an appointment as Visiting Professor in the Department of Materials Science and Engineering at Kyushu University, Fukuoka, Japan, with support from theJapanSociety for thePromotion of Science. De Liang Zhang Research on metal–ceramic nanocomposites at University of Waikato is funded by the Foundation for Research, Science and Technology, New Zealand, through the New Economy Research Fund (NERF) scheme. The authorwouldalsoliketothankMrJingLiangforhisassistanceinpreparing the manuscript. K Takanashi,SMitani, KYakushiji and HFujimori TheauthorsaregratefultoDrHImamura,DrSTakahashi,DrJMartinek, andProfessorSMaekawa,TohokuUniversity,fortheirtheoreticalsupport and useful discussion. Thanks are also given to Dr K Hono, National Institute for Materials Science, for TEM observation, and to Professor J Q Xiao, University of Delaware, for comments on a draft of the manuscript. This work was supported by a JSPS Research Project for the Future Copyright © 2005 IOP Publishing Ltd. Program (JSPS-RFTF 96P00106) and by CREST of Japan Science and TechnologyCorporation. Akihiro Makino ThisworkwaspartlysupportedbySpecialCoordinationFundsforPromot- ing Science and Technology on Nanohetero Metallic Materials from the Ministry of Education, Culture, Sports, Science and Technology. Yoshihito Yoshizawa TheauthorisgratefultoDrKHono,DrDHPing, andDrMOhnumaof the National Institute for Materials Science for valuable discussions and nanostructure analysis. Rainer Hilzinger The author gratefully acknowledges many valuable suggestions and discus- sions with RWengerter, GHerzer and J Petzold. Satoshi Hirosawa Collaboration with the author’s colleagues, Hirokazu Kanekiyo, Yasutaka Shigemoto, Kaichi Murakami, Toshio Miyoshi and Yusuke Shioya is gratefully acknowledged. Construction of the technique to measure cooling behaviour during rapid solidification was achieved under the Nanohetero Metallic Materials programme as part of the Special Coordination Funds forPromotingScienceandTechnologyfromNationalInstituteforMaterials Science. Copyright © 2005 IOP Publishing Ltd.
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