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| 1 | HIGH STRAIN RATE SUPERPLASTICITY OF A AIN PARTICULATE REINFORCED 6061Al COMPOSITE显示文摘The superplasticity of AINp/6061Al composite, fabricated by powder metallurgy method and hot-rolled after extrusion, was investigated. The AINp/6061Al composite exhibits an m-value of 0.49 and a maximum elongation of 438% in the strain rates ranging hem 10-2-100s-1 and at temperatures from 823K to 893K. Diffirential scanning calorimeter was used to ascertain the possibility of any partial melting in the vicinity of optimum superplastic temperature. These results suggested that liquid phase existed where maximum elongation was obtained. | L.H. Han, J.T. Niu and D.M. Jiang (The National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology,Harbin 150001, China) T. Imai (National Industrial Research Institute of Nagoya, 1 Hirate-cho, Kita-ku, Nagoya 462, Ja | 2001 | Acta Metallurgica Sinica(English Letters)2001，14，2： | 2 |
| 2 | Effect of AIN Particulate Size on Superplasticity of AINp/6061 Al Composites显示文摘Superplastic tensile tests of AINp/6061 Al Compostics, fabricated by powder metallurgy techniques, were performed st strain rates ranging from 10-1-10-3 s-1 and at temperatwes from 833 to 893 K. Hot rolling after extrusion was employed to obtain a fine grained structure before superplastic testing. The superplastic behavior of AINp/6061 Al Composites was compared with that of AIN particulate size. Differential scanning calorimeter was used to ascertain the possibility of any partial melting in the vicinity of optimum superplastic temperatures. | Lihong Han, Jitai Niu, Daming Jiang, T. Imai (The National Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China National Industrial Research Institure of Nagoya, 1 Hirate-cho, Kita-ku, Nagoya 462, | 2001 | Rare Metals2001，20，1： | 1 |
| 3 | Negative control ofP53 by Sir2alp?ha promotes cell survival under stress显示文摘 | Luo 1 Nikolaev AY Imai S | 2001 | Cell2001，107，2： | 1 |
| 4 | Porous superhydrophobic silica films by sol-gel process显示文摘 | Sanjay s Latthe Imai Hiroaki et a 1 | 2010 | Microporous and Mesoporous Mated MS2010，130，123： | 1 |
| 5 | HIGH STRAIN RATE SUPERPLASTICITY OF DISCONTINUOUSC ERAMIC FIBER REINFORCED ALUMINUM COMPOSITES显示文摘β-Si3N4 whisker reinforced aluminum composites was fabricated by squeeze casting before extrusion and an effect of content of Mg on the High Strain Rate Superplastic- ity (HSRS) were investigated, The optimum temperature of the composites at which maximum total elongation is obtained decreases according to magnesium content and the β-Si3N4w/Al-3Mg exhibits the total elongation of about 200% at the strain rate of 10-1 s-1 and at 853-858 K, although the β-Si3N4w/Al-0Mg composite shows about 100% elongation at the strain rate of about 1×10-1 s-1 at 903-913 K. Optimum strain rate of the composites fabricated by squeeze casting was about 1×10-1 s-1 but TEM observation indicates that the β-Si3N4w/Al-Mg has a fine grain of about 2- 3μm and that the whisker might no react with Mg at the interfaces, although the β-Si3N4 whisker react with aluminum matrix. | T. Imai, L. Geng, J. F. Mao and I. Tochigi 1) National Industrial Research Institute of Nagoya, 1-1 Hirate-cho, Kita-ku, Nagoya, 462-8510, Japan 2) School of Materials Science & Engineering, Harbin Institute of Technology, Harbin 15001, China 3) Kanagawa | 2000 | Acta Metallurgica Sinica(English Letters)2000，13，2： | 1 |
| 6 | On the velocity of falling drops显示文摘 | Imai 1 | 1950 | Geophysical Maga?zine1950，21，2： | 1 |
| 7 | Complexation of iron by microbial siderophores and effects of iron chelates on the growth and marine microalgae causing red tides显示文摘 | NATIO K IMAI 1 NAKAHARA H | 2008 | Phycological Research2008，56，： | 1 |
| 8 | Sprial artery of placenta development and pathology immuohistochemical, microscopical and electronmieroseopic study显示文摘 | Hirano H Imai 1 lto H | 2002 | Kobe J Med Sci2002，48，12： | 1 |
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