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    PLASMA-SPRAYED TIN COATING HAVING EXCELLENT HARDNESS AND TOUGHNESS, THE PREPARATION METHOD THEREFOR, AND A MOLD COATED WITH SAID TIN COATING
    5.
    发明申请
    PLASMA-SPRAYED TIN COATING HAVING EXCELLENT HARDNESS AND TOUGHNESS, THE PREPARATION METHOD THEREFOR, AND A MOLD COATED WITH SAID TIN COATING 审中-公开
    具有优异硬度和韧性的等离子体喷涂涂料，其制备方法和用涂料涂覆的模具

    公开(公告)号：US20160303774A1

    公开(公告)日：2016-10-20

    申请号：US15102976

    申请日：2015-10-13

    Applicant: Haidou WANG ,  Zhiguo XING ,  Huawei CUI ,  Guo JIN

    Inventor： Haidou WANG ,  Zhiguo XING ,  Huawei CUI ,  Guo JIN

    IPC: B29C41/20 ,  C04B35/622 ,  C04B35/58

    CPC classification number: C04B35/62222 ,  B29C33/56 ,  C04B35/58014 ,  C04B35/626 ,  C04B35/63416 ,  C04B35/653 ,  C04B2235/3232 ,  C04B2235/3886 ,  C04B2235/5436 ,  C04B2235/79 ,  C04B2235/80 ,  C04B2235/96 ,  C23C4/02 ,  C23C4/10 ,  C23C4/134

    Abstract: Disclosed is an agglomerated TiN powder, the powder comprising spherical aggregates having particle diameters of 40 to 80 μm and formed by the agglomeration of Ti and N having the atomic fractions of 72% and 28% respectively. Also provided is a TiN coating obtained using the powder. The three-strong-peak phase of the coating is a TiN phase, and also has partial TiO, TiO2, and Ti3O oxide phases; the coating has layered distribution of bright and dark phases, and the joint between the interior of the layered structure and the layer structure is provided with a small number of pores; the joint between the coating and a base has no microscopic defects such as cracks and is well jointed. The supersonic plasma-sprayed TiN coating achieves hardness as high as 1210HV0.1, thereby enhancing the wear resistance of the coating. The coating has good fracture toughness, thereby enhancing the fracture mechanical performance inside of the coating and extending the fatigue life of the coating. Also provided are a preparation method for the TiN coating, and a mold coated with said TiN coating.

    Abstract translation: 公开了一种凝聚的TiN粉末，该粉末包含粒径为40至80μm的球形聚集体，并且通过分别具有72％和28％的原子分数的Ti和N的聚集形成。 还提供了使用该粉末获得的TiN涂层。 涂层的三强相是TiN相，并且还具有部分TiO，TiO 2和Ti 3 O氧化物相; 涂层具有明暗相的分布分布，并且层状结构的内部与层结构之间的接合部设置有少量的孔; 涂层和基体之间的接合处没有诸如裂纹的微观缺陷，并且接合良好。 超音速等离子喷涂TiN涂层达到高达1210HV0.1的硬度，从而提高涂层的耐磨性。 涂层具有良好的断裂韧性，从而提高涂层内部的断裂力学性能，延长涂层的疲劳寿命。 还提供了用于TiN涂层的制备方法，以及涂覆有所述TiN涂层的模具。

    Sintered cubic boron nitride cutting tool
    6.
    发明授权
    Sintered cubic boron nitride cutting tool 有权
    烧结立方氮化硼切割工具

    公开(公告)号：US09381617B2

    公开(公告)日：2016-07-05

    申请号：US13175171

    申请日：2011-07-01

    Applicant: Abds-Sami Malik

    Inventor： Abds-Sami Malik

    IPC: B24D3/00 ,  B24D3/34 ,  C04B35/58 ,  C04B35/5831 ,  C04B35/626 ,  C22C26/00

    CPC classification number: B24D3/34 ,  C04B35/58014 ,  C04B35/5831 ,  C04B35/62615 ,  C04B2235/3804 ,  C04B2235/3843 ,  C04B2235/3856 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5472 ,  C04B2235/786 ,  C04B2235/80 ,  C22C26/00

    Abstract: A cutting tool having a sintered compact including 30 to 80 vol. % cubic boron nitride and a binder phase, wherein the binder phase includes about 2 to about 6 vol. % ZrN, is disclosed. In more specific examples, the cutting tool has a sintered compact including 30 to 80 vol. % cubic boron nitride, between about 4 vol. % and about 15 vol. % aluminum and/or aluminum compound and/or aluminum alloy and/or combinations thereof, and a binder phase, wherein the binder phase includes TiN and about 3 to about 5 vol. % ZrN, and wherein the cubic boron nitride has a grain size of less than 20 microns. Cutting tools of the disclosed composition display improved performance, particularly at higher operating speeds, e.g., about 200 m/min or greater.

    Abstract translation: 一种具有烧结体的切削工具，包括30〜80体积％ 立方氮化硼和粘结相，其中粘结相包括约2至约6体积％ ％ZrN。 在更具体的实例中，切削工具具有包括30至80体积的烧结体。 ％立方氮化硼，约4体积％ ％和约15体积％ ％铝和/或铝化合物和/或铝合金和/或其组合，以及粘合剂相，其中粘结相包括TiN和约3至约5体积％ ％ZrN，并且其中立方氮化硼具有小于20微米的粒度。 所公开组合物的切割工具显示出改善的性能，特别是在较高的操作速度下，例如约200m / min或更高。

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