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| 1 | Fabrication and modelling of Si_(3)N_(4)ceramics with radial grain alignment generated through centripetal sinter-forging显示文摘Silicon nitride(Si_(3)N_(4))based ceramics are one of the most attractive advanced engineering materials,which have been widely used under high-speed rotational operation or for mechanical contacts across a curved surface.In the present study,rotationally symmetric texturing of Si_(3)N_(4),with radial grain align-ment,was obtained by centripetal sinter-forging(CSF)of a partially sintered sample.The average values of the included angles between the c-axis of the local Si_(3)N_(4)grain and radial direction were approxi-mately 16.4°and 11.0°,on the section plane perpendicular to the pressing direction,and parallel to both the pressing and radial directions,respectively.The compressive strain in the pressing direction forced the ceramic body to flow towards the central axis,resulting in compressive strain in the tangential di-rection and tensile strain in the radial direction.A fundamental physical model was created to simulate the grain rotation during the 3-dimentional strain reorientation,which revealed the rod-like grain would preferentially rotate toward the center of the sample under the CSF process.In addition,due to the fric-tion between the sample surface and the pressing punch,the increased shear strain could enhance the Si_(3)N_(4)grain alignment.Consequently,ceramics with rod-like grains perpendicular to the curved side sur-face could be anticipated by applying the centripetal forming concept in a controlled manner. | Da-Wang Tan Zhen-Yong Lao Wei-Ming Guo Akira Kondo Takahiro Kozawa Makio Naito Kevin Plucknett Hua-Tay Lin | 2022 | Journal of Materials Science & Technology2022，，31： | 2 |
| 2 | 超胞材料β-Li_2TiO_3的结构、制备及应用显示文摘综述近几年国内外有关β-Li_2TiO_3材料的结构、制备方法以及应用的研究进展。详细阐述β-Li_2-TiO_3材料的超胞结构,讨论可能存在的点缺陷,研究不同点缺陷对其超胞结构发育的影响;通过比较固相法、溶胶-凝胶法、燃烧合成法和水热合成法等制备β-Li_2TiO_3粉体的典型方法,指出关键在于改善湿化学工艺方法,使能获得超细粉体且保证超胞发育良好。分析β-Li_2TiO_3材料在氚增殖剂、锂离子电池、发光材料和微波介质材料等领域的重要应用。 | 于成龙 高丹鹏 王斐 郝欣 Kazumichi YANAGISAWA Sumio KAMIYA Takahiro KOZAWA | 2014 | 中国有色金属学报2014，24，6： | 2 |
| 3 | Isocoumarins from Coriandrum sativum显示文摘 | BABA K XIAO Y G TANIGUTU M OHISHI H KOZAWA M | 1991 | Phytochemistry1991，30，12： | 1 |
| 4 | Usefulness of diffusion- weighted imaging of breast tumors: quantitative and visual assessment显示文摘 | Inoue K Kozawa E Mizukoshi W | 2011 | Jpn J Radiol2011，29，： | 1 |
| 5 | Generation of a radially polarized laser beam by use of a conical Brewster prism 显示文摘 | KOZAWA Y SATO S | 2005 | Opt Lett2005，30，： | 1 |
| 6 | Usefulness of the insulin tolerance test in patients with type 2 diabetes receiving insulin therapy显示文摘 | Okita K Iwahashi H Kozawa J | 2014 | J Diabetes Investig2014，5，3： | 1 |
| 7 | Pharmacokinetics of a new parenteral oligosaccharide antibiotic, SCH27899(Ziracin) in healthy subjects显示文摘 | Kozawa O Uematsu T Matsuno H | 2001 | Antimicrob Agents Chemother2001，45，： | 1 |
| 8 | Inhibition by adenylyl cyclase-cAMP system of ET-1-induced HSP27 in osteoblasts显示文摘 | Hatakeyama D Kozawa O Niwa M | 2001 | Am J Physiol Endocrinol Metab2001，281，6： | 1 |
| 9 | Synthesis of carbapenam skeletons using a ruthenium-catalyzed cyclization显示文摘 | Mori M Kozawa Y Nishida M | 2000 | Org Lett2000，2，20： | 1 |
| 10 | Construction of a carbapenam skeleton using palladium-catalyzed cyclization显示文摘 | Kozawa Y Mori M | 2001 | Tetrahedron Lett2001，42，29： | 1 |
| 11 | p38 MAP kinase is required for vasopressin-stimulated HSP27 induction in aortic smooth muscle cells显示文摘 | Ito T Kozawa O Tanabe K | 2002 | Hypertension2002，35，2： | 1 |
| 12 | Generation of a radially polarized laser beam by use of the birefringence of a c - cut Nd: YVO4 crystal显示文摘 | Kazuhiro Yonezawa Yuichi Kozawa and Shunichi Sato | 2006 | Optical Letters2006，31，： | 1 |
| 13 | Synthesis of 3-alkoxycarbonyl-1β-methylcarbapenem using palladium-catalyzed amidation of vinyl halide显示文摘 | Kozawa Y Mori M | 2002 | Tetrahedron Lett2002，43，1： | 1 |
| 14 | Generation of a radially polarized laser beam by use of a conical Brewster prism显示文摘 | Yuichi Kozawa and Shunichi Sato | 2005 | Optical Society of America2005，30，： | 1 |
| 15 | Solubilities of Mn( Ⅱ ) and Mn(Ⅲ) ions in concentrated alkaline solutions显示文摘 | KOZAWA A KALNOKI-KIS T YEAGER J F | 1966 | J Electrchem Soc1966，133，： | 1 |
| 16 | Mitogen- activated protein (MAP) kinases are involved in interleukin- 1 (IL1)- induced IL - 6 synthesis in osteoblasts:modulation not of p38 MAP kinase,but of p42/p44 MAP kinase by IL - 1 - activated protein kinase C显示文摘 | Miwa M Kozawa O Tokuda H | 1999 | Endocrinology1999，140，11： | 1 |
| 17 | Involvement of arachidonic acid in chemical stress-induced interleukin-6 synthesis in osteoblast-like cells:comparison with heat shock protein 27 induction显示文摘 | Miwa M Kozawa Tokuda H | 2000 | Prostaglandins Leukotrienes and Essential Fatty Acids2000，62，3： | 1 |
| 18 | CCL21 promotes the migration and adhesion of highly lymph node metastatic human non-small cell lung cancer Lu-99 in vitro显示文摘 | Koizumi K Kozawa Y Ohashi Y | 2007 | Onco report2007，17，6： | 1 |
| 19 | Thermal stress in GaN epitaxial layers grown on sapphire substrates显示文摘 | Kozawa T Kachi T Kano H | 1995 | J Appl Phys Part I1995，77，： | 1 |
| 20 | p42/p44 mitogenactivated protein kinase activation is involved in prostaglandin F2alpha- induced interleukin- 6 synthesis in osteoblasts显示文摘 | Tokuda H Kozawa O Harada A | 1999 | Cell Signal1999，11，5： | 1 |
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