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| 1 | Deformation mechanism at impact test of Al-11% Si alloy processed by equal-channel angular pressing with rotary die显示文摘Al-11%Si(mass fraction)alloy was transformed into a ductile material by equal-channel angular pressing(ECAP)with a rotary die.Two mechanisms at impact test,slip deformation by dislocation motion and grain boundary sliding,were discussed.The ultrafine grains with modified grain boundaries and the high content of fine particles(<1μm)were necessary for attaining high absorbed energy.The results contradict the condition of slip deformation by dislocation motion and coincide with that of grain boundary sliding.Many fine zigzag lines like a mosaic were observed on the side surface of the tested specimens.These observed lines may show grain boundaries appeared by the sliding of grains. | 马爱斌 Y. NISHIDA 江静华 N. SAITO I. SHIGEMATSU A. WATAZU | 2007 | 中国有色金属学会会刊:英文版2007，17，1： | 2 |
| 2 | Effect of microstructures on superplasticity of Al-11%Si alloy显示文摘Three kinds of Al-11%Si (mass fraction) alloy samples with different processes were produced to investigate the effect of microstructures on its superplasticity. Among them, the as-ECAP sample pressed 16 passes has ultrafine grains (300 nm) and the finest secondary particles. The ECAP-T6 sample, with ECAP 16 passes followed by T6 treatment, has fine secondary particles (3 μm) but the largest grains (8 μm). Contrarily, the T6-ECAP sample, with T6 treatment followed by ECAP 16 passes, has ultrafine grains and the large secondary particles (7 μm). The tensile testing results show that the as-ECAP sample exhibits superplasticity at high strain rate of 5.75×10-1 s-1 due to its fine secondary particles and ultrafine grains. The ECAP-T6 sample, however, does not exhibit superplasticity at the same high strain rate of 5.75×10-1 s-1 because it has relatively large secondary particles and large grains. Remarkably, the T6-ECAP sample does not have superplasticity even at the lower strain rate of 1.15×10-1 s-1, attributing to its comparatively large secondary particles. When most secondary particles are larger than 7 μm, the high strain rate superplasticity could not be obtained even if this sample has ultrafine grains. | 江静华 马爱斌 N. SAITO A. WATAZU 林萍华 Y. NISHIDA | 2007 | 中国有色金属学会会刊:英文版2007，17，3： | 1 |
| 3 | Hydroxyapatite granules implanted on titanium alloys 显示文摘 | Watazu A0 Naganuma K | 2000 | Key Engineering Materials2000，194，1： | 1 |
| 4 | Improvement of formability of Mg-AI-Zn alloy sheet at low temperatures using differential speed rolling 显示文摘 | HUANG X S SUZUKI K WATAZU A SHIGEMATSU I SAITO N | 2009 | Journal of Alloys and Compounds2009，470，： | 1 |
| 5 | Improvement of formability of Mg-A1-Zn alloy sheet at low temperatures using differentialspeedrolling 显示文摘 | Huang X S Suzuki K Watazu A | 2009 | Journal ofAlloys and Compounds2009，470，20： | 1 |
| 6 | Hydroxyapatite granules implanted on titanium alloys 显示文摘 | Naganuma K | 2000 | Key Eng Mater2000，192，22： | 1 |
| 7 | Mechanical properties of Mg-AI-Zn alloy with a titled basal texture obtained by differential speed rolling 显示文摘 | HUANG X SUZUKJ K WATAZU A SHIGEMATSUI SAITO N | 2008 | Materials Science and Engineering A2008，488，： | 1 |
| 8 | Alumina chopped fiber reinforced titanium matrix composite fabrication by hot-press method显示文摘 | A Kamiya W Shi A Watazu | 2001 | J Mater Sci Lett2001，20，： | 1 |
| 9 | Microstructure and texture of Mg–Al–Zn alloy processed by differential speed rolling显示文摘 | Xinsheng Huang Kazutaka Suzuki Akira Watazu Ichinori Shigematsu Naobumi Saito | 2007 | Journal of Alloys and Compounds2007，，1： | 1 |
| 10 | Microstructure and texture of Mg-Al-Zn alloy processed by differential speed rolling 显示文摘 | HUANG X S SUZUKI K WATAZU A SHIGEMATSU I SAITO N | 2008 | Journal of Alloys and Compounds2008，457，： | 1 |
| 11 | Structure and Mechanical Properties of Pure Titanium Film Deposited onto TiNi Shape Memory Alloy Substrate by Magnetron DC Sputtering显示文摘 | T Sonoda A Watazu J Zhu | 2004 | Thin Solid Film2004，459，12： | 1 |
| 12 | Mechanical properties of Mg-Al-Zn alloy with a tilted basal texture obtained by differential speed rolling 显示文摘 | HUANG X S SUZUKI K WATAZU A SHIGEMATSU I SAITO N | 2008 | Mater Sci Eng A2008，488，： | 1 |
| 13 | Mechanical properties of Mg-AI-Zn alloy with a tilted basal texture obtained by differential speed rolling 显示文摘 | Huang X Suzuki K Watazu A | 2008 | Materials Science and Engineering :A2008，488，： | 1 |
| 14 | Microstructural and textural evolution of AZ31 magnesium alloy during differential speed rolling显示文摘 | Huang X Suzuki K Watazu A | 2009 | Journal of Alloys and Compounds2009，479，1： | 1 |
| 15 | Influence of roiling conditions on texture and formability of magnesium alloy sheets显示文摘 | HUANG Xin-sheng SUZUKI K WATAZU A SHIQEMATSU I SAITO N | 2010 | Materials Science Forum2010，，： | 1 |
| 16 | Effects of thickness reduction per pass on microstructure and texture of Mg–3Al–1Zn alloy sheet processed by differential speed rolling显示文摘 | Xinsheng Huang Kazutaka Suzuki Akira Watazu Ichinori Shigematsu Naobumi Saito | 2009 | Scripta Materialia2009，，11： | 1 |
| 17 | Hydroxyapatite granules implanted on titanium alloys 显示文摘 | Watazu A Naganuma K | 2000 | Key Engineering Materials2000，194，1： | 1 |
| 18 | Mechan- ical properties of Mg - A1 - Zn alloy with a tilted basal texture obtained by differential speed rolling 显示文摘 | HUANG X S SUZUKI K WATAZU A | 2008 | Materials Science and Engineering A2008，488，： | 1 |
| 19 | Peri-implant bone density in se- nile osteoporosis - changes from implant placement to osseoime'a- tion显示文摘 | Beppu K Kido H Watazu A et a/ | 2013 | Clin Implant Dent Relat Res2013，15，2： | 1 |
| 20 | Effects of Homogenization Treatment on Mechanical Properties of Hot-rolled AZ31 Magnesium Alloy 显示文摘 | HUANG Xin-sheng Kazutaka Suzuki Akira Watazu | 2007 | Materials Science Forum2007，，： | 1 |
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