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公开(公告)号：EP0614715A1
公开(公告)日：1994-09-14
申请号：EP93921081.1
申请日：1993-09-29
发明人： UEDA, Hiroshi Itami Works, Sumitomo Electric Ind. , INUI, Naoki Itami Works of Sumitomo Electric Ind. , TAKEDA, Yoshinobu Itami Works,
CPC分类号： G01P3/488 , B22F2998/00 , C10M105/74 , C10M141/10 , C10M2201/085 , C10M2207/125 , C10M2207/126 , C10M2207/129 , C10M2223/02 , C10M2223/04 , C10M2223/042 , C10M2223/049 , C10M2223/10 , C10N2240/02 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/046 , C23C8/52 , C23C22/03 , C23C26/00 , B22F5/08
摘要： An inexpensive wheel speed measuring gear (sensor ring) having a high corrosion resistance. This sensor ring is made chiefly of sintered stainless steel. The surface portion of the sensor ring contains 5-25 atm.% phosphorus, 30-70 atm.% oxygen and 5-5.0 atm.% iron, and at least a part of this surface portion is amorphous. The surface portion is formed by dipping a sintered stainless steel material in a phosphate group-containing oil of a temperature of 15-70 °C.
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公开(公告)号：EP0614715B1
公开(公告)日：1999-03-31
申请号：EP93921081.1
申请日：1993-09-29
发明人： UEDA, Hiroshi Itami Works, Sumitomo Electric Ind. , INUI, Naoki Itami Works of Sumitomo Electric Ind. , TAKEDA, Yoshinobu Itami Works,
CPC分类号： G01P3/488 , B22F2998/00 , C10M105/74 , C10M141/10 , C10M2201/085 , C10M2207/125 , C10M2207/126 , C10M2207/129 , C10M2223/02 , C10M2223/04 , C10M2223/042 , C10M2223/049 , C10M2223/10 , C10N2240/02 , C10N2240/04 , C10N2240/042 , C10N2240/044 , C10N2240/046 , C23C8/52 , C23C22/03 , C23C26/00 , B22F5/08
摘要： An inexpensive wheel speed measuring gear (sensor ring) having a high corrosion resistance. This sensor ring is made chiefly of sintered stainless steel. The surface portion of the sensor ring contains 5-25 atm.% phosphorus, 30-70 atm.% oxygen and 5-5.0 atm.% iron, and at least a part of this surface portion is amorphous. The surface portion is formed by dipping a sintered stainless steel material in a phosphate group-containing oil of a temperature of 15-70 °C.
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