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| 1 | Dynamic recrystallization and texture development during hot deformation of magnesium alloy AZ31显示文摘The dynamic recrystallization(DRX) and texture development, taking place during hot deformation of magnesium alloy AZ31 with a strong wire texture, were studied in compression at 673 K (0.73 Tm). Two kinds of samples were machined parallelly to the extruded and transverse directions of Mg alloy rods. New fine grains are evolved at original grain boundaries corrugated at low strains and develop rapidly in the medium range of strain, finally leading to a roughly full evolution of equiaxial fine grains. Kink bands are evolved at grain boundaries corrugated and also frequently in grain interiors at low strains. The boundary misorientations of kink band increase rapidly with increasing strain and approach a saturation value in high strain. The average size of the regions fragmented by kink band is almost the same as that of new grains evolved in high strain. These characteristics of new grain evolution process are not changed by the orientation of the samples, while the flow behaviors clearly depend on it. It is concluded that new grain evolution can be controlled by a deformation-induced continuous reaction, i.e. continuous dynamic recrystallization(DRX). The latter is discussed by comparing with conventional, i.e. discontinuous DRX. | 杨续跃 吉泽升 H. MIURA T. SAKAI | 2009 | 中国有色金属学会会刊:英文版2009,19,1: | 16 |
| 2 | Recrystallization behaviour of fine-grained magnesium alloy after hot deformation显示文摘Annealing behaviors of hot-deformed magnesium alloy AZ31 were studied at temperatures from 300 to 673 K by optical and SEM/EBSD metallographic observation. Temperature dependence of the average grain size(D) is categorized into three temperature regions, i.e. an incubation period for grain growth, rapid grain coarsening, and normal grain growth. The number of fine grains per unit area, however, is reduced remarkably even in incubation period. This leads to grain coarsening taking place continuously in the whole temperature regions. In contrast, the deformation texture scarcely changes even after full annealing at high temperatures. It is concluded that the annealing processes operating in hot-deformed magnesium alloy with continuous dynamic recrystallized grain structures can be mainly controlled by grain coarsening accompanied with no texture change, that is, continuous static recrystallization. | 杨续跃 H. Miura T. Sakai | 2007 | 中国有色金属学会会刊:英文版2007,17,6: | 8 |
| 3 | Microstructure and mechanical properties of AZ61 Mg alloy prepared by multi directional forging显示文摘AZ61Mg alloy was multi directionally forged(MDFed) during decreasing temperature condition from 643 K to 483 K at a true strain rate of 3×10-3 s-1 up to cumulative strain of∑△ε=4.0 at maximum.A pass strain of△ε=0.8 was employed.While average grain size decreased gradually with increasing cumulative strain,the evolution of fine-grained structure strongly depended on the MDF temperature.Under the condition where the temperature was higher than the most adequate one,grain coarsening partially took place during MDF.In contrast,at lower temperature,inhomogeneous microstructure composed of the initial coarse and newly appeared fine grains was evolved.After straining over∑△ε=3.2(i.e.,over 4 passes of MDF) ,equiaxed ultrafine grains(UFGs) having average size of about and lower than 1μm were uniformly evolved.While the MDFed alloy to∑△ε=4.0 possessed relatively high hardness of HV 99,and it accepted further about 20%cold rolling almost without cracking.Because of the superior formability of the UFGed AZ61Mg alloy,the hardness was further easily raised to HV 120 by following cold rolling. | H. MIURA G. YU X. YANG T. SAKAI | 2010 | Transactions of Nonferrous Metals Society of China2010,20,7: | 7 |
| 4 | Hepatic Stellate Cells Secrete Angiopoietin 1 That Induces Angiogenesis in Liver Fibrosis显示文摘 | Kojiro Taura Samuele De Minicis Ekihiro Seki Etsuro Hatano Keiko Iwaisako Christoph H. Osterreicher Yuzo Kodama Kouichi Miura Iwao Ikai Shinji Uemoto David A. Brenner | 2008 | Gastroenterology2008,,5: | 3 |
| 5 | Homeostasis model assessment of insulin resistance and the risk of cardiovascular events in middle-aged non-diabetic Japanese men显示文摘 | K. Nakamura M. Sakurai K. Miura Y. Morikawa M. Ishizaki K. Yoshita T. Kido Y. Naruse H. Nakagawa | 2010 | Diabetologia2010,,9: | 2 |
| 6 | Essential role of NAT1/p97/DAP5 in embryonic differentiation and the retinoic acid pathway显示文摘 | Yamanaka S Zhang X.Y Maeda M Miura K. Wang S. Farese R.V. Jr. Iwao H. and Innerarity T.L | | 0,,: | 1 |
| 7 | Production of high density activated carbon fiber by a hot briquetting method显示文摘 | K. Miura H. Nakagawa H. Okamoto | 2000 | Carbon2000,,1: | 1 |
| 8 | Effects of Jump Training on Bone Hypertrophy in Young and Old Rats显示文摘 | Y. Umemura T. Ishiko H. Tsujimoto H. Miura N. Mokushi H. Suzuki | 1995 | Int J Sports Med1995,,06: | 1 |
| 9 | MODELING THE STRESS-STRAIN CURVES UNDER DYNAMIC RECRYSTALLIZATION显示文摘An analytical model for dynamic recrystallization (DRX) is studied based on the relative grain size model proposed by Sakai and Jonas, and the characteristic flow behaviors under DRX are analyzed and simulated. Introducing the variation of dynamic grain size and the heterogeneous distribution of disolo- cation densities densities under DRX,a simple method for modeling and simulating DRX processes is developed by using Laplace transformation theory. The results derived from the present model agree well with the experimental results in literatures. This simulation can reproduce a number of features in DRX flow behaviors, for example,single and multiple peak flow behaviors followed by a steady state flow, the transition between them, and so on. | W. Gao T. Sakai and H. Miura( Department of Mechanical Engineering and Intelligent Systems, The University of Electro - Communica- tions, Chofu, Tokyo 182 - 8585, Japan) | 2000 | Acta Metallurgica Sinica(English Letters)2000,13,1: | 1 |
| 10 | Involvement of insulin-like growth factor-I in psoriasis as a paracrine growth factor: dermal fibroblasts play a regulatory role in developing psoriatic lesions显示文摘 | H. Miura S. Sano M. Higashiyama K. Yoshikawa S. Itami | 2000 | Archives of Dermatological Research2000,,12: | 1 |
| 11 | Dosage effects of the three Wx genes on amylose synthesis in wheat endosperm显示文摘 | H. Miura A. Sugawara | 1996 | Theoretical and Applied Genetics1996,,7: | 1 |
| 12 | Effect of deformation temperature on microstructure evolution in aluminum alloy 2219 during hot ECAP显示文摘 | I. Mazurina T. Sakai H. Miura O. Sitdikov R. Kaibyshev | 2007 | Materials Science & Engineering A2007,,1: | 1 |
| 13 | Possible efficacy of lamivudine treatment to prevent hepatitis B virus reactivation due to rituximab therapy in a patient with non-Hodgkin’s lymphoma显示文摘 | Y. Tsutsumi J. Tanaka T. Kawamura T. Miura H. Kanamori S. Obara M. Asaka M. Imamura N. Masauzi | 2004 | Annals of Hematology2004,,1: | 1 |
| 14 | Microstructure and mechanical properties of multi-directionally forged Mg–Al–Zn alloy显示文摘 | H. Miura T. Maruoka X. Yang J.J. Jonas | 2011 | Scripta Materialia2011,,1: | 1 |
| 15 | Selective intracellular delivery of proteasome inhibitors through pH-sensitive polymeric micelles directed to efficient antitumor therapy显示文摘 | S. Quader H. Cabral Y. Mochida T. Ishii X. Liu K. Toh H. Kinoh Y. Miura N. Nishiyama K. Kataoka | 2014 | Journal of Controlled Release2014,,: | 1 |
| 16 | Magnetic Compression Anastomosis for Bile Duct Stenosis After Donor Left Hepatectomy: A Case Report显示文摘 | H. Oya Y. Sato E. Yamanouchi S. Yamamoto Y. Hara H. Kokai T. Sakamoto K. Miura K. Shioji Y. Aoyagi K. Hatakeyama | 2012 | Transplantation Proceedings2012,,3: | 1 |
| 17 | Stereotactic body radiotherapy for pulmonary metastases显示文摘 | T. Inoue R.-J. Oh H. Shiomi N. Masai H. Miura | 2013 | Strahlentherapie und Onkologie2013,,4: | 1 |
| 18 | IL ‐28B ( IFN ‐λ3) and IFN ‐α synergistically inhibit HCV replication显示文摘 | H. Shindo S. Maekawa K. Komase M. Miura M. Kadokura R. Sueki N. Komatsu K. Shindo F. Amemiya Y. Nakayama T. Inoue M. Sakamoto A. Yamashita K. Moriishi N. Enomoto | 2012 | J Viral Hepat2012,,4: | 1 |
| 19 | Identification of two closely linked quantitative trait loci for cold tolerance on chromosome 4 of rice and their association with anther length显示文摘 | K. Saito K. Miura K. Nagano Y. Hayano-Saito H. Araki A. Kato | 2001 | TAG Theoretical and Applied Genetics (-)2001,,6: | 1 |
| 20 | Endoscopic and histopathological study on primary and secondary intestinal lymphangiectasia显示文摘 | Dr. H. Asakura MD S. MD Miura T. Morishita MD S. Aiso MD T. Tanaka MD T. Kitahora MD M. Tsuchiya MD Y. Enomoto PhD Y. Watanabe MD | 1981 | Digestive Diseases and Sciences1981,,4: | 1 |