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1.发明公开
公开(公告)号：EP1570953A4
公开(公告)日：2007-04-25
申请号：EP03756617
申请日：2003-10-15
发明人： SAKA HIROYASU , MOON WON-JIN , UCHIMURA SHOUJI , ITO TOSHIRO
CPC分类号： C04B41/009 , B24C1/10 , C04B41/53 , C04B41/91 , C04B35/10 , C04B35/00 , C04B35/565 , C04B35/584 , C04B35/581
摘要： A method for improving the toughness of the surface of a ceramic article, characterized in that the ceramic article is subjected to a plastic working wherein a dislocated structure is formed on the surface thereof, the structure being in a straight line form and covering uniformly over the whole of the ceramic article and having a dislocation density of 1 X 104 to 9 X 1013 cm-2, by the use of a jet material comprising fine particles having a convexly curved surface and having an average particle size of 0.1 μm to 200 μm and a Vickers hardness (HV) of 500 or more and of a hardness (HV) of the ceramic article + 50 or less; and a ceramic article which has a dislocated structure being in a straight line form and covering uniformly over the whole of the surface thereof and having a dislocation density of 1 X 104 to 9 X 1013 cm-2.
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2.发明公开METHOD FOR TOUGHENING SURFACE OF SINTERED MATERIAL CUTTING TOOL AND SINTERED MATERIAL CUTTING TOOL HAVING LONG LIFE 有权METHOD FOR硬化的切削工具的表面与切削烧结材料寿命长烧结材料的TOOL
公开(公告)号：EP1637258A4
公开(公告)日：2007-04-25
申请号：EP04733674
申请日：2004-05-18
发明人： SAKA HIROYASU , MOON WON JIN , UCHIMURA SHOJI , ITO TOSHIRO
IPC分类号： B24C1/10 , B23B27/00 , C04B35/10 , C04B35/584 , C23C30/00
CPC分类号： C23C30/005 , B22F2003/166 , C04B35/584 , C04B2235/96 , C04B2235/9607 , C04B2235/963
摘要： A ceramic sintered material cutting tool, characterized in that it has a dislocation structure which formed on the surface thereof in a straight line form and distributed uniformly in a dislocation density of 1 x 10 to 9 x 10 cm . The cutting tool is improved in a fracture toughness value and the resistance to thermal shock and thus has a prolonged life. The above cutting tools include, in particular, a twist drill and a throw away tip.
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3.发明公开METHOD FOR TOUGHENING MODIFICATION OF CERAMIC AND CERAMIC PRODUCT 审中-公开陶瓷及陶瓷产品的方法SCHLAGZÄHMODIFZIERUNG
公开(公告)号：EP1329440A4
公开(公告)日：2010-01-13
申请号：EP01967740
申请日：2001-09-20
申请人： SINTOKOGIO LTD , SINTO V CERAX LTD , SAKA HIROYASU
发明人： SAKA HIROYASU , UCHIMURA SYOJI , MORIMITSU HIDEKI
CPC分类号： C04B41/009 , C04B41/53 , C04B41/91 , C04B41/0072 , C04B35/10 , C04B35/00 , C04B35/584 , C04B35/581
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