COATED ARTICLE WITH NANOLAYERED COATING SCHEME
    26.
    发明公开
    COATED ARTICLE WITH NANOLAYERED COATING SCHEME 有权
    BESCHICHTETER ARTIKEL MIT NANOSCHICHTSTRUKTUR

    公开(公告)号:EP2242603A2

    公开(公告)日:2010-10-27

    申请号:EP08863076.9

    申请日:2008-11-26

    Abstract: An article including a substrate 22 and a coating is provided. The article may be a cutting insert 20 shown to improve performance in chip-forming material removal operations or a wear-resistant component for chipless forming operations. One wear-resistant coating scheme 40 has an underlayer 42 and top layer 46 containing aluminum, chromium, and nitrogen. The coating scheme 40 also includes a mediate multi-periodicity nanolayer coating scheme 44 containing titanium, aluminum, chromium and nitrogen. The mediate multi-periodicity nanolayer 44 coating scheme includes a plurality of sets of alternating layer arrangements 50, 52, 54, 56, 58, 60, 62. Each one of the alternating layer arrangements 50, 52, 54, 56, 58, 60, 62 has a base layer 64 comprising titanium, aluminum and nitrogen and a nanolayer region having a plurality of sets of alternating nanolayers 68, 70, 72, 74, 76, 78. Each set of alternating nanolayers 68, 70, 72, 74, 76, 78 has one nanolayer 82 having aluminum, chromium, titanium and nitrogen and another nanolayer 84 having aluminum, chromium, titanium and nitrogen. The base layer thickness G is smaller than the nanolayer region thickness F.

    Abstract translation: 包括基材和耐磨涂层方案的涂覆制品。 涂覆制品可以是示出用于改善切屑形成材料去除操作中的性能的切削刀片或用于无芯形成操作中的耐磨部件。 耐磨涂层方案具有含有铝,铬和氮的底层和顶层。 涂层方案还包括含有钛,铝,铬和氮的介质多周期纳米层涂层方案。 中介多周期纳米层涂布方案包括多组交替层布置。 交替层布置中的每一个具有包含钛,铝和氮的基层和具有多组交替的纳米层的纳米层区域。 每组交替的纳米层具有一个具有铝,铬,钛和氮的纳米层,另一个具有铝,铬,钛和氮的纳米层。 基层具有基层厚度,并且纳米层区域具有纳米层区域厚度。 基层厚度小于纳米层区域厚度。

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