FIXING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS

• Main Authors: SUZUKI TOMOKO, WATANABE YUSUKE, INAGAKI TOMOTAKE, OHARA HIDEAKI
• Format: Patent
• Language: English; Japanese
• Published: 22.10.2020
• Subjects: CINEMATOGRAPHY; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; MAGNETOGRAPHY; PHOTOGRAPHY; PHYSICS

To provide a fixing member that prevents cracks in a second metal layer due to repeated bending.SOLUTION: A fixing member comprises: a base material layer that contains a resin; a first metal layer that is provided on an outer peripheral surface of the base material layer and contains Cu; a second metal layer that is provided in contact with the first metal layer on the outer peripheral surface of the first metal layer and contains Ni, wherein the crystal orientation index on every crystal surface in the second metal layer is 1.0 or more and 1.8 or less on the (111) surface, 0.5 or more and 1.3 or less on the (200) surface, and 1.0 or more and 1.6 or less on the (311) surface; and an elastic layer that is provided on an outer peripheral surface of the second metal layer.SELECTED DRAWING: Figure 1 【課題】繰り返し屈曲による第２の金属層の割れが抑制される定着部材の提供。【解決手段】樹脂を含む基材層と、前記基材層の外周面上に設けられ、Ｃｕを含む第１の金属層と、前記第１の金属層の外周面上に前記第１の金属層と接して設けられ、Ｎｉを含む第２の金属層であって、前記第２の金属層における各結晶面の結晶配向指数は、（１１１）面が１．０以上１．８以下、（２００）面が０．５以上１．３以下、（３１１）面が１．０以上１．６以下である第２の金属層と、前記第２の金属層の外周面上に設けられた弾性層と、を備えた定着部材。【選択図】図１