To provide a slide member having enhanced strength, while suppressing decline of durability; and to provide a manufacturing method thereof, a power steering device and a manufacturing method thereof.SOLUTION: In a slide member (10a) including a substrate (3) made of a steel, granular iron carbide (2) contained in the substrate, and metal carbide (1) contained in the substrate, and containing a metal and carbon as constituent elements, each volume fraction of the iron carbide (2) and the metal carbide (1) is reduced gradually along a depth direction to the inside from the surface of the substrate, and the metal is one or more kinds selected from a group comprising Ti, V, Nb, Ta, Zr, W, Hf and Mo.SELECTED DRAWING: Figure 1

    【課題】耐久性の低下を抑制しながら、硬度を強化した摺動部材およびその製造方法ならびにパワーステアリング装置およびその製造方法を提供する。【解決手段】鋼製の基材(3)と、基材に含まれる粒状の鉄炭化物(2)と、基材に含まれ、金属と炭素とを構成元素として含む金属炭化物(1)とを含み、鉄炭化物(2)および金属炭化物(1)の体積率は、基材の表面から内部への深さ方向に沿って減少し、金属はTi、V、Nb、Ta、Zr、W、HfおよびMoからなる群から選択された1種類以上であることを特徴とする摺動部材(10a)を提供する。【選択図】図1


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    Titel :

    SLIDE MEMBER, MANUFACTURING METHOD THEREOF, POWER STEERING DEVICE AND MANUFACTURING METHOD THEREOF


    Weitere Titelangaben:

    摺動部材およびその製造方法ならびにパワーステアリング装置およびその製造方法


    Beteiligte:
    HATO HISAMITSU (Autor:in) / KOMURO MATAHIRO (Autor:in) / SATSU YUICHI (Autor:in) / SHIINO KOTARO (Autor:in) / NUMAKURA KOJI (Autor:in) / TSUJIMI SHINTARO (Autor:in)

    Erscheinungsdatum :

    2019-10-31


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B62D MOTOR VEHICLES , Motorfahrzeuge / F16C SHAFTS , Wellen / F16H Getriebe , GEARING



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