公开(公告)号：US10883153B2

公开(公告)日：2021-01-05

申请号：US15165777

申请日：2016-05-26

申请人： JTEKT CORPORATION

发明人： Kazutaka Matsukawa ,  Hiroyuki Ando ,  Yasunari Saito ,  Hideyuki Saito ,  Kazuhiro Fukushima ,  Tomoyuki Nanba

IPC分类号： C21D9/00 ,  C23C28/04 ,  C23C8/34 ,  C23C8/26 ,  F16D27/115 ,  F16D13/64 ,  F16D69/00 ,  F16D23/12 ,  F16D69/02

摘要： In a manufacturing method for a sliding member, a nitrogen diffusion layer, a nitrogen compound layer, and an oxidation layer are formed by executing a first step of cooling a workpiece formed of a steel material after heating the workpiece in an atmosphere containing ammonia at 570 to 660° C., a second step of performing, subsequently to the first step, tempering while pressurizing a front surface side of the workpiece, and a third step of performing, subsequently to the second step, steam treatment of heating the workpiece in a steam atmosphere.

公开(公告)号：US20160348737A1

公开(公告)日：2016-12-01

申请号：US15165777

申请日：2016-05-26

申请人： JTEKT CORPORATION

发明人： Kazutaka MATSUKAWA ,  Hiroyuki ANDO ,  Yasunari SAITO ,  Hideyuki SAITO ,  Kazuhiro FUKUSHIMA ,  Tomoyuki Nanba

IPC分类号： F16D13/64 ,  C23C8/28 ,  C23C8/02 ,  C21D9/00

CPC分类号： C21D9/0068 ,  C23C8/26 ,  C23C8/34 ,  C23C28/044 ,  F16D13/648 ,  F16D27/115 ,  F16D69/00 ,  F16D69/02 ,  F16D2023/123

摘要： In a manufacturing method for a sliding member, a nitrogen diffusion layer, a nitrogen compound layer, and an oxidation layer are formed by executing a first step of cooling a workpiece formed of a steel material after heating the workpiece in an atmosphere containing ammonia at 570 to 660° C., a second step of performing, subsequently to the first step, tempering while pressurizing a front surface side of the workpiece, and a third step of performing, subsequently to the second step, steam treatment of heating the workpiece in a steam atmosphere.

摘要翻译： 在滑动部件的制造方法中，通过在570℃的含有氨的气氛中加热工件后，执行冷却由钢材形成的工件的第一工序来形成氮扩散层，氮化合物层和氧化层 至660℃，第二步骤，在第一步骤之后，对加工工件的前表面侧进行回火，以及第三步骤，在第二步骤之后，进行蒸汽处理，以加热工件 蒸汽气氛。