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    • 3. 发明专利
    • Functionally gradient material and method of manufacturing the same
    • 功能梯度材料及其制造方法
    • JP2008069052A
    • 2008-03-27
    • JP2006250216
    • 2006-09-15
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • TADA SHUJISON MASAAKIHASHIMOTO HITOSHI
    • C04B35/64C04B35/56
    • PROBLEM TO BE SOLVED: To provide a functionally gradient material having a gradient function, for example, having a characteristic such that a top end is extremely hard and another end is mechanically machinable by controlling a sintering temperature arbitrarily in accordance with materials to be sintered, which are different in sintering characteristics, and to provide a method of manufacturing the functionally gradient material. SOLUTION: In the method of manufacturing the functionally gradient material by directly energizing the material-to-be-sintered of a metal and/or a ceramic in a mold having a molding space having a prescribed shape, the material to be sintered is arranged in the molding space of the mold and is sintered under an optional sintering temperature distribution. In the titanium silicon carbide-titanium carbide based functionally gradient material, the functionally gradient material comprises a sintered compact having two phase structure of Ti 3 SiC 2 and TiC, titanium carbide has a gradual or gradient composition and the materials each having the different composition of titanium carbide are integrally molded while securing the whole compactness and the method of manufacturing the same is provided. The functionally gradient material formed by integrally molding the materials each having different sintering temperature while securing the whole compactness is provided. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供具有梯度功能的功能梯度材料,例如具有使得顶端非常硬的特性,并且另一端可以通过根据材料的任何方式任意地控制烧结温度来机械加工 烧结,其烧结特性不同,并提供制造功能梯度材料的方法。 解决方案:在通过在具有规定形状的模制空间的模具中直接施加金属和/或陶瓷材料来制造功能梯度材料的方法中,待烧结的材料 布置在模具的成型空间中,并且在任选的烧结温度分布下烧结。 在钛碳化钛 - 碳化钛基功能梯度材料中,功能梯度材料包括具有TiS 3 / SB> SiC 2 和TiC两相结构的烧结体,碳化钛具有 逐渐或梯度组合物和具有不同组成的碳化钛的材料在确保整个紧凑性的同时被整体模制,并且提供了其制造方法。 提供了通过在确保整个紧凑性的同时对具有不同烧结温度的材料进行一体成型而形成的功能梯度材料。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Method for producing titanium silicon carbide sintered compact
    • 生产碳化硅碳化物烧结方法
    • JP2007112711A
    • 2007-05-10
    • JP2006311661
    • 2006-11-17
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • SON MASAAKICHO TETSUHOABE TOSHIHIKOHASHIMOTO HITOSHI
    • C04B35/56C04B35/64
    • PROBLEM TO BE SOLVED: To provide a titanium silicon carbide sintered compact having excellent characteristics by a short time forming method based on a pulse energizing pressure sintering method and by improving the characteristics of the sintered compact through preventing the coarsening of the crystal grains, suppressing the formation of a residual titanium carbide (TiC) phase in the sintered compact and homogenizing the sintered compact, and by establishing a synthetic method for completing synthesis at a lower temperature and in a shorter time than those in a conventional method in which a large quantity of energy is consumed, and to provide a method for producing the sintered compact. SOLUTION: The titanium silicon carbide sintered compact is characterized in that it is obtained by sintering a mixed powder composed of titanium (Ti), silicon carbide (SiC) and titanium carbide (TiC) by a pulse energizing pressure sintering method, in that the crystal grain size is 10 μm or smaller, and in that the content of the titanium carbide (TiC) is 8 wt.% or less. COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:通过基于脉冲激励加压烧结法的短时间形成方法和通过防止晶粒粗化来提高烧结体的特性,提供具有优异特性的钛碳化硅烧结体 ,抑制烧结体中残留的碳化钛(TiC)相的形成,使烧结体均匀化,通过建立在比以往的方法中低的温度和时间下合成的合成方法, 消耗大量的能量,并提供一种生产该烧结体的方法。 解决方案:钛碳化硅烧结体的特征在于通过脉冲激发加压烧结法将由钛(Ti),碳化硅(SiC)和碳化钛(TiC)组成的混合粉末烧结, 晶粒尺寸为10μm以下,碳化钛(TiC)的含量为8重量%以下。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Method for producing metallic ceramic powder
    • 生产金属陶瓷粉的方法
    • JP2006298762A
    • 2006-11-02
    • JP2006218349
    • 2006-08-10
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • SON MASAAKIYO SHORANABE TOSHIHIKOHASHIMOTO HITOSHI
    • C01B33/06
    • PROBLEM TO BE SOLVED: To obtain titanium silicon carbide (Ti 3 SiC 2 ) powder by simple vacuum-heating synthesis while restraining the generation of a residual titanium carbide (TiC) phase so that titanium silicon carbide powder is made uniform to improve the characteristics of titanium silicon carbide powder and to obtain a method for producing titanium silicon carbide powder. SOLUTION: Metallic ceramic powder consists of titanium silicon carbide (Ti 3 SiC 2 ) having ≤1 wt.% titanium carbide (TiC) content. A method for producing metallic ceramic powder comprises a step of performing vacuum heating to a powdery mixture of titanium (Ti), silicon (Si) and titanium carbide (TiC) or another powdery mixture of titanium (Ti), silicon carbide (SiC) and carbon (C). COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:通过简单的真空加热合成获得钛碳化硅(Ti 3 SiC 2 )粉末,同时抑制残留的碳化钛的产生( TiC)相,使得碳化钛粉末均匀,以改善钛碳化硅粉末的特性,并获得生产钛碳化硅粉末的方法。

      解决方案:金属陶瓷粉末由具有≤1重量%碳化钛(TiC)含量的钛碳化硅(Ti 3 SiC 2 )组成。 金属陶瓷粉末的制造方法包括对钛(Ti),硅(Si)和碳化钛(TiC)的粉末混合物或钛(Ti),碳化硅(SiC)和其他粉末混合物 碳(C)。 版权所有(C)2007,JPO&INPIT

    • 10. 发明专利
    • Sintering method and device
    • 烧结方法和装置
    • JP2005068504A
    • 2005-03-17
    • JP2003300990
    • 2003-08-26
    • National Institute Of Advanced Industrial & Technology独立行政法人産業技術総合研究所
    • TADA SHUJISON MASAAKIHASHIMOTO HITOSHIABE TOSHIHIKO
    • B30B11/02B22F3/14B28B3/02C04B35/645
    • PROBLEM TO BE SOLVED: To provide a sintering method and a device therefor excellent in sinterability where, even in the case of a sintered compact whose cross-sectional shape is not uniform, i.e., whose size changes to the longitudinal direction, a change in the shape does not occur under sintering, and further, the quantity of the sintered compact is uniform. SOLUTION: In the sintering method where raw material powder is directly energized in a die having cylindrical space, and a component whose size changes in the longitudinal direction is subjected to press sintering, loads applied to punches for pressurizing the raw material powder and rams for pressurizing a cylinder forming the cylindrical space are respectively independently controlled. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种烧结方法及其烧结性优异的装置,其中即使在截面形状不均匀的烧结体的情况下,即其尺寸向纵向方向变化, 在烧结时不会发生形状的变化,另外烧结体的数量一致。 解决方案:在将原料粉末在具有圆柱形空间的模具中直接通电并且将其长度方向改变尺寸的部件进行冲压烧结的烧结方法中,施加到用于对原料粉末加压的冲头的负载 分别独立地控制用于对形成圆柱形空间的圆筒加压的柱塞。 版权所有(C)2005,JPO&NCIPI