-
公开(公告)号：US08894962B2
公开(公告)日：2014-11-25
申请号：US13501569
申请日：2010-10-13
IPC分类号： C01B31/02 , C04B35/52 , C04B35/532 , C04B35/645
CPC分类号： C04B35/645 , C01B32/05 , C04B35/522 , C04B35/532 , C04B2235/422 , C04B2235/5436 , C04B2235/6562 , C04B2235/666 , C04B2235/77 , C04B2235/96 , C04B2235/9607
摘要： A carbon material and a method of manufacturing the carbon material are provided that can improve hardness and physical properties while fully gaining the benefit of SPS method, which makes it possible to obtain a dense carbon material with very short time. The carbon material is manufactured by a first step of filling mixture powder containing a carbon aggregate and a binder in a mold, and a second step of sintering the mixture powder by a spark plasma sintering method while compressing the mixture powder. The carbon material is characterized by having a Shore hardness HSD value of 60 or greater, and having a thermal expansion anisotropy ratio, an electrical resistivity anisotropy ratio, or a thermal conductivity anisotropy ratio, of 1.5 or greater.
摘要翻译： 提供一种碳材料和碳材料的制造方法，其可以提高硬度和物理性能，同时充分获得SPS方法的优点，这使得可以以非常短的时间获得致密碳材料。 碳材料通过在模具中填充含有碳骨料和粘合剂的混合粉末的第一步骤制造，以及第二步骤，通过放电等离子体烧结法烧结混合物粉末，同时压缩混合物粉末。 碳材料的肖氏硬度HSD值为60以上，热膨胀各向异性比，电阻率各向异性比或热导率各向异性比为1.5以上。
-
公开(公告)号：US06899265B2
公开(公告)日：2005-05-31
申请号：US10345333
申请日：2003-01-16
CPC分类号： B23K11/02 , B21D37/20 , C21D9/50 , Y10T428/12493
摘要： Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining process. According to the present invention, an electric joining apparatus for joining a plurality of members to be joined at the joining surfaces thereof, comprises: a pair of current-currying electrodes 13, 16 capable of contacting with the members so as to apply electricity to the members; a power supply 17 connected to the pair of energizing electrodes for supplying the energizing electrodes with at least either one of a DC current or a pulsated current; and a pressurizing unit 14 for compressing each of the pair of electrodes against the joining surfaces, wherein the pair of members are sandwiched between the energizing electrodes and applied with at least either one of the DC current or the pulsated current from the power supply under a desired pressure, thus to be joined, without using a die made of graphite.
摘要翻译： 公开了一种新颖的电接合方法和装置，其可以克服与现有技术相关的缺陷，同时利用脉冲激发烧结工艺如火花等离子体烧结工艺或热压接合工艺的技术。 根据本发明，一种用于在其接合表面处接合多个待接合部件的电接合装置包括：一对电流卷绕电极13,16，其能够与部件接触以便向 会员 连接到所述一对激励电极的电源17，用于向所述通电电极提供DC电流或脉动电流中的至少一个; 以及用于将一对电极中的每一个压靠在接合表面上的加压单元14，其中一对构件被夹在激励电极之间并且施加有来自电源的直流电流或脉动电流中的至少一个， 所需的压力，从而被连接，而不使用由石墨制成的模具。
-
公开(公告)号：US06881048B1
公开(公告)日：2005-04-19
申请号：US09538475
申请日：2000-03-30
申请人： Masao Tokita
发明人： Masao Tokita
CPC分类号： B30B15/306 , B30B11/06 , B30B11/14 , B30B15/302
摘要： The present invention is a method of loading a desired amount of powder material into a mold which comprises a tubular body having a bore extending therethrough to define a mold cavity. The method comprises the steps of: providing the mold with a lower press core fitted in the lower end of the bore; bringing the mold with said lower press core fitted therein to a powder filling position; displacing the lower press core relative to the mold so as to determine the depth of the top surface of the lower press core from the top surface of the mold; filling an amount of powder material into the mold and strickling off any excessive amount of powder material to the level of the top surface of the mold; pressing at a desired pressure the amount of powder material in the mold to form a powder compact; and displacing the powder compact with the lower press core relative to the mold so as to bring the powder compact to a desired position in the mold.
摘要翻译： 本发明是将期望量的粉末材料加载到模具中的方法，该模具包括具有延伸穿过其中以限定模具腔的孔的管状体。 该方法包括以下步骤：为模具提供安装在孔下端的下压芯; 使具有安装在其中的所述下压芯的模具带入粉末填充位置; 相对于模具移动下压芯，以便从模具顶表面确定下压芯顶表面的深度; 将一定量的粉末材料填充到模具中并将任何过量的粉末材料施加到模具顶表面的水平面上; 在期望的压力下压制模具中的粉末材料的量以形成粉末压块; 并且相对于模具将粉末压块与下压芯移位，以使粉末压块达到模具中的期望位置。
-
公开(公告)号：US07547204B2
公开(公告)日：2009-06-16
申请号：US11666616
申请日：2005-11-02
CPC分类号： F27B19/04 , B22F3/14 , B22F2998/00 , B22F2999/00 , F27B9/04 , B22F1/0044 , B22F2201/10 , B22F2201/20
摘要： The present invention provides a nano-precision sintering system 1 for sintering a nano-sized powder of a material in the pulse energization and pressure sintering process to obtain a highly purified sintered compact having a nano-sized grain structure, said nano-precision sintering system 1 comprising: at least one pre-process chamber 20 defined by at least one sealed housing 21 having at least one glove and designed to be controlled into a predetermined atmosphere; a sintering process chamber 30 defined by a sealed housing 31 having at least one glove and designed to be controlled into a predetermined atmosphere; a shut-off system 26 disposed in a passage providing communication between the pre-process chamber and the sintering process chamber so as to block the communication between the two chambers selectively while keeping it in an air tight condition; and a pulse energization and pressure sintering machine 50 having a vacuum chamber “C” allowing for the sintering process to be carried out under a vacuum atmosphere, wherein the vacuum chamber is disposed in the sintering process chamber such that the former can be isolated from the latter.
摘要翻译： 本发明提供了一种纳米精密烧结系统1，用于在脉冲通电和加压烧结过程中烧结材料的纳米尺寸粉末，以获得具有纳米尺寸晶粒结构的高纯度烧结体，所述纳米精密烧结体系 1包括：由至少一个密封壳体21限定的至少一个预处理室20，所述至少一个密封壳体21具有至少一个手套并设计成被控制在预定的气氛中; 烧结处理室30由具有至少一个手套的密封壳体31限定，并被设计成被控制在预定的气氛中; 设置在提供预处理室和烧结处理室之间的连通的通道中的截止系统26，以便在保持其处于气密状态的同时有选择地阻止两个室之间的连通; 以及具有允许在真空气氛下进行烧结过程的真空室“C”的脉冲通电和加压烧结机50，其中真空室设置在烧结处理室中，使得前者可与 后者。
-
公开(公告)号：US06592798B1
公开(公告)日：2003-07-15
申请号：US09980738
申请日：2002-04-08
申请人： Mamoru Omori , Toshio Hirai , Masao Tokita
发明人： Mamoru Omori , Toshio Hirai , Masao Tokita
IPC分类号： C04B3332
CPC分类号： C04B35/645 , C04B35/117 , C04B35/44 , C04B35/50 , C04B35/64
摘要： A method for advantageously producing sintered eutectic ceramics having a homogenous and dense structure, in particular, a eutectic containing a rare earth aluminate compound. The method allows eutectic powder of alumina and a rare earth aluminate compound to stand at a temperature of 1300-1700° C. for 1-120 minutes under vacuum or in an non-oxidative atmosphere under a pressure of 5-100 MPa using a spark plasma sintering apparatus, thereby causing crystal growth to occur to obtain a rare earth aluminate eutectic structure crystal.
摘要翻译： 一种有利地生产具有均匀和致密结构的烧结共晶陶瓷的方法，特别是含有稀土铝酸盐化合物的共晶体。 该方法允许氧化铝和稀土铝酸盐化合物的共晶粉末在真空下或在非氧化性气氛中在5-100MPa的压力下在1300-1700℃的温度下放置1-120分钟，使用火花 等离子体烧结装置，从而引起晶体生长以获得稀土铝酸盐共晶结构晶体。
-
公开(公告)号：US20120237437A1
公开(公告)日：2012-09-20
申请号：US13501569
申请日：2010-10-13
CPC分类号： C04B35/645 , C01B32/05 , C04B35/522 , C04B35/532 , C04B2235/422 , C04B2235/5436 , C04B2235/6562 , C04B2235/666 , C04B2235/77 , C04B2235/96 , C04B2235/9607
摘要： A carbon material and a method of manufacturing the carbon material are provided that can improve hardness and physical properties while fully gaining the benefit of SPS method, which makes it possible to obtain a dense carbon material with very short time.The carbon material is manufactured by a first step of filling mixture powder containing a carbon aggregate and a binder in a mold, and a second step of sintering the mixture powder by a spark plasma sintering method while compressing the mixture powder. The carbon material is characterized by having a Shore hardness HSD value of 60 or greater, and having a thermal expansion anisotropy ratio, an electrical resistivity anisotropy ratio, or a thermal conductivity anisotropy ratio, of 1.5 or greater.
摘要翻译： 提供一种碳材料和碳材料的制造方法，其可以提高硬度和物理性能，同时充分获得SPS方法的优点，这使得可以以非常短的时间获得致密碳材料。 碳材料通过在模具中填充含有碳骨料和粘合剂的混合粉末的第一步骤制造，以及第二步骤，通过放电等离子体烧结法烧结混合物粉末，同时压缩混合物粉末。 碳材料的肖氏硬度HSD值为60以上，热膨胀各向异性比，电阻率各向异性比或热导率各向异性比为1.5以上。
-
公开(公告)号：US06515250B2
公开(公告)日：2003-02-04
申请号：US09871826
申请日：2001-06-04
IPC分类号： B23K1100
CPC分类号： B23K11/02 , B21D37/20 , C21D9/50 , Y10T428/12493
摘要： Disclosed is a novel electric joining method and apparatus that can overcome the defects associated with the prior art while taking advantage of the technology for the pulse excited sintering process such as spark plasma sintering process or the hot-press joining process. According to the present invention, an electric joining apparatus for joining a plurality of members to be joined at the joining surfaces thereof, comprises: a pair of current-currying electrodes 13, 16 capable of contacting with the members so as to apply electricity to the members; a power supply 17 connected to the pair of energizing electrodes for supplying the energizing electrodes with at least either one of a DC current or a pulsated current; and a pressurizing unit 14 for compressing each of the pair of electrodes against the joining surfaces, wherein the pair of members are sandwiched between the energizing electrodes and applied with at least either one of the DC current or the pulsated current from the power supply under a desired pressure, thus to be joined, without using a die made of graphite.
-
公开(公告)号：US06383446B1
公开(公告)日：2002-05-07
申请号：US09538474
申请日：2000-03-30
申请人： Masao Tokita
发明人： Masao Tokita
IPC分类号： B22F312
CPC分类号： F27D3/00 , B22F3/003 , B22F3/105 , B22F7/06 , B22F2999/00 , B28B5/04 , B28B13/022 , B30B15/302 , B30B15/306 , C04B35/64 , F27B9/2407 , F27B21/00 , F27D2099/0096 , B22F3/14 , B22F3/004 , B22F2207/01
摘要： The present invention is a method of automatically loading powder material into a sintering mold and subsequently effecting electrical sintering to the powder material in the sintering mold.
摘要翻译： 本发明是一种将粉末材料自动装载到烧结模具中并随后对烧结模具中的粉末材料进行电烧结的方法。
-
公开(公告)号：US20080175936A1
公开(公告)日：2008-07-24
申请号：US11666616
申请日：2005-11-02
CPC分类号： F27B19/04 , B22F3/14 , B22F2998/00 , B22F2999/00 , F27B9/04 , B22F1/0044 , B22F2201/10 , B22F2201/20
摘要： The present invention provides a nano-precision sintering system 1 for sintering a nano-sized powder of a material in the pulse energization and pressure sintering process to obtain a highly purified sintered compact having a nano-sized grain structure, said nano-precision sintering system 1 comprising: at least one pre-process chamber 20 defined by at least one sealed housing 21 having at least one glove and designed to be controlled into a predetermined atmosphere; a sintering process chamber 30 defined by a sealed housing 31 having at least one glove and designed to be controlled into a predetermined atmosphere; a shut-off system 26 disposed in a passage providing communication between the pre-process chamber and the sintering process chamber so as to block the communication between the two chambers selectively while keeping it in an air tight condition; and a pulse energization and pressure sintering machine 50 having a vacuum chamber “C” allowing for the sintering process to be carried out under a vacuum atmosphere, wherein the vacuum chamber is disposed in the sintering process chamber such that the former can be isolated from the latter.
摘要翻译： 本发明提供了一种纳米精密烧结系统1，用于在脉冲通电和加压烧结过程中烧结材料的纳米尺寸粉末，以获得具有纳米尺寸晶粒结构的高纯度烧结体，所述纳米精密烧结体系 1包括：由至少一个密封壳体21限定的至少一个预处理室20，所述至少一个密封壳体21具有至少一个手套并设计成被控制在预定的气氛中; 烧结处理室30由具有至少一个手套的密封壳体31限定，并被设计成被控制在预定的气氛中; 设置在提供预处理室和烧结处理室之间的连通的通道中的截止系统26，以便在保持其处于气密状态的同时有选择地阻止两个室之间的连通; 以及具有允许在真空气氛下进行烧结过程的真空室“C”的脉冲通电和加压烧结机50，其中真空室设置在烧结处理室中，使得前者可与 后者。
-
10.发明申请Method and apparatus for automatically loading powder material into a mold 审中-公开将粉末材料自动加载到模具中的方法和装置公开(公告)号：US20050089436A1
公开(公告)日：2005-04-28
申请号：US10986852
申请日：2004-11-15
申请人： Masao Tokita
发明人： Masao Tokita
CPC分类号： B30B15/306 , B30B11/06 , B30B11/14 , B30B15/302
摘要： The present invention is a method of loading a desired amount of powder material into a mold which comprises a tubular body having a bore extending therethrough to define a mold cavity. The method comprises the steps of: providing the mold with a lower press core fitted in the lower end of the bore; bringing the mold with said lower press core fitted therein to a powder filling position; displacing the lower press core relative to the mold so as to determine the depth of the top surface of the lower press core from the top surface of the mold; filling an amount of powder material into the mold and strickling off any excessive amount of powder material to the level of the top surface of the mold; pressing at a desired pressure the amount of powder material in the mold to form a powder compact; and displacing the powder compact with the lower press core relative to the mold so as to bring the powder compact to a desired position in the mold.
摘要翻译： 本发明是将期望量的粉末材料加载到模具中的方法，该模具包括具有延伸穿过其中以限定模具腔的孔的管状体。 该方法包括以下步骤：为模具提供安装在孔下端的下压芯; 使具有安装在其中的所述下压芯的模具带入粉末填充位置; 相对于模具移动下压芯，以便从模具顶表面确定下压芯顶表面的深度; 将一定量的粉末材料填充到模具中并将任何过量的粉末材料施加到模具顶表面的水平面上; 在期望的压力下压制模具中的粉末材料的量以形成粉末压块; 并且相对于模具将粉末压块与下压芯移位，以使粉末压块达到模具中的期望位置。
-
-
-
-
-
-
-
-
-
搜索结果
11 条记录 (耗时 0.016 秒)
