发明名称 BORIDE SINTERED COMPACT
摘要 <P>PROBLEM TO BE SOLVED: To provide a boride which is sintered compact sintered with a binder and which is provided with excellent chipping resistance in addition to wear resistance required for cutting heat-treated steel and can reduce the working cost of steel, high hardness cast iron or the like. <P>SOLUTION: The boride sintered compact comprises a boride consisting of Al, one element M selected from the group Ia and IIa elements in the Periodic Table, and boron. The sintered compact comprises 50 to 95 vol.% boride whose composition is expressed by Al<SB>x&le;1</SB>M<SB>y&le;1</SB>B<SB>z&ge;12</SB>, and the balance binder phase with inevitable impurities. The binder comprises at least one kind of metal selected from the group VIII metals, an alloy consisting of the above metal and at least one kind selected from the group consisting of the boride of the above metal or alloy. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004076111(A) 申请公布日期 2004.03.11
申请号 JP20020239683 申请日期 2002.08.20
申请人 SUMITOMO ELECTRIC IND LTD 发明人 KAMISAKA SHINYA;SUMIYA HITOSHI
分类号 C04B35/58;C22C29/14 主分类号 C04B35/58
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