公开(公告)号：US07172725B2

公开(公告)日：2007-02-06

申请号：US10724381

申请日：2003-11-28

Applicant: Moon-Hee Hong ,  Ja-Ho Choi ,  Seoung Lee ,  Eun-Pyo Kim ,  Sung-Ho Lee ,  Joon-Woong Noh

Inventor： Moon-Hee Hong ,  Ja-Ho Choi ,  Seoung Lee ,  Eun-Pyo Kim ,  Sung-Ho Lee ,  Joon-Woong Noh

IPC: B22F3/26 ,  B22F3/16 ,  B22F1/02

CPC classification number: H01H1/025 ,  B22F3/26 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/045 ,  C22C27/04 ,  F42B1/032 ,  B22F1/0096 ,  B22F3/02 ,  B22F1/0003 ,  B22F9/22 ,  B22F9/04

Abstract: In W—Cu alloy having a homogeneous micro-structure and a fabrication method thereof, the method includes forming mixed powders by mixing tungsten powders with W—Cu composite powders; forming a compact by pressurizing-forming the mixed powders; forming a skeleton by sintering the compact; and contacting copper to the skeleton and performing infiltration. W—Cu alloy having a homogeneous structure fabricated by the present invention shows better performance by being used as a material for high voltage electric contact of a contact braker, a material for heat sink of an IC semiconductor and a shaped charge liner.

Abstract translation: 在具有均匀微结构的W-Cu合金及其制造方法中，该方法包括通过将钨粉与W-Cu复合粉末混合来形成混合粉末; 通过加压形成混合粉末形成压块; 通过烧结成型体形成骨架; 并使铜与骨架接触并进行渗透。 通过本发明制造的具有均匀结构的W-Cu合金通过用作接触式制动器的高压电接触材料，IC半导体的散热材料和成形电荷衬垫而显示出更好的性能。

公开(公告)号：US06821557B2

公开(公告)日：2004-11-23

申请号：US10340505

申请日：2003-01-10

Applicant: Seong Lee ,  Moon-Hee Hong ,  Joon-Woong Noh ,  Eun-Pyo Kim ,  Yoon-Sik Park

Inventor： Seong Lee ,  Moon-Hee Hong ,  Joon-Woong Noh ,  Eun-Pyo Kim ,  Yoon-Sik Park

IPC: B05D112

CPC classification number: C23C26/00

Abstract: Disclosed is a tungsten film coating method using tungsten oxide powders including the steps of contacting the tungsten oxide powders with a metal substrate and carrying out thermal reduction treatment thereon at a temperature of at least 650° C. under a hydrogen atmosphere just to coat the tungsten film on the metal substrate. Accordingly, the present invention enables to provide a simple method of coating a tungsten thin film on a metal substrate using the phenomenon of tungsten migration through vapor phase when thermal reduction treatment is carried out on tungsten oxide powders without using previous chemical or physical vapor depositions requiring expensive precision equipments or causing environmental pollution.

Abstract translation: 公开了一种使用氧化钨粉末的钨膜涂覆方法，其包括以下步骤：使钨氧化物粉末与金属基底接触，并在氢气氛下在至少650℃的温度下对其进行热还原处理，以涂覆钨 薄膜在金属基板上。 因此，本发明能够提供一种在金属基板上涂覆钨薄膜的简单方法，该方法使用钨氧化物粉末进行热还原处理时，通过气相的钨迁移现象，而不需要先前的化学或物理气相沉积 昂贵的精密设备或造成环境污染。

公开(公告)号：US5956559A

公开(公告)日：1999-09-21

申请号：US032292

申请日：1998-02-27

Applicant: Heung Sub Song ,  Eun Pyo Kim ,  Seong Lee ,  Joon Woong Noh ,  Moon Hee Hong ,  Woon Hyung Baek

Inventor： Heung Sub Song ,  Eun Pyo Kim ,  Seong Lee ,  Joon Woong Noh ,  Moon Hee Hong ,  Woon Hyung Baek

IPC: C22C29/00 ,  B22F3/10 ,  C22C1/04 ,  C22C27/04 ,  C22F1/18 ,  B22F3/24

CPC classification number: C22C1/045 ,  B22F3/1017 ,  C22C27/04 ,  C22F1/18 ,  B22F2998/10

Abstract: A method for producing an irregular tungsten/matrix interface in tungsten based heavy alloy is disclosed. The method involves a cyclic heat treatment and resintering at above liquidus temperature for tungsten heavy alloys consisting of 80 to 98 weight % tungsten and remainder of matrix phase. The sintered specimens are cyclically heat treated at above 1000.degree. C. and resintered at liquidus temperature of the matrix phase for one minute to 4 hours at a constant temperature.

Abstract translation: 公开了一种在钨基重合金中制造不规则钨/基质界面的方法。 该方法涉及钨基重质合金的上述液相线温度下的循环热处理和树脂交换，其由80至98重量％的钨和其余的基体相组成。 将烧结的样品在1000℃以上进行循环热处理，并在恒定温度下在基质相的液相线温度下重新烧结1分钟至4小时。

公开(公告)号：US06863707B2

公开(公告)日：2005-03-08

申请号：US10430067

申请日：2003-05-06

Applicant: Seong Lee ,  Moon-Hee Hong ,  Joon-Woong Noh ,  Eun-Pyo Kim ,  Hung-Sub Song ,  Woon-Hyung Baek

Inventor： Seong Lee ,  Moon-Hee Hong ,  Joon-Woong Noh ,  Eun-Pyo Kim ,  Hung-Sub Song ,  Woon-Hyung Baek

IPC: B22F9/00 ,  B22F1/00 ,  B22F1/02 ,  B22F3/22 ,  B22F9/22 ,  C22C1/04 ,  B22F9/04

CPC classification number: B22F3/225 ,  B22F1/025 ,  B22F9/22 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  C22C1/045 ,  B22F3/22 ,  B22F9/04 ,  B22F3/1017

Abstract: Disclosed is a method of forming a W—Cu composite powder having a Cu particle surrounded by tungsten by mixing and pulverizing tungsten oxide powder and copper oxide powder using turbular mixing or ball milling, reducing the Cu powder firstly at 200˜400° C. under a hydrogen atmosphere or a reducing gas environment including hydrogen, generating W nuclei on the reduced Cu powder at 500˜700° C., and growing the generated W nuclei at 750˜1080° C. as well as a use of the same for the use of powder injection molding.

Abstract translation: 公开了一种通过使用湍流混合或球磨混合粉碎氧化钨粉末和氧化铜粉末来形成具有被钨包围的Cu颗粒的W-Cu复合粉末的方法，首先在200〜400℃下还原Cu粉末 氢气氛或含有氢气的还原气体环境，在500〜700℃的还原Cu粉末上产生W核，并在750〜1080℃下生长生成的W核，并将其用于 使用粉末注射成型。

公开(公告)号：US5970307A

公开(公告)日：1999-10-19

申请号：US841717

申请日：1997-04-30

Applicant: Moon Hee Hong ,  Woon Hyung Baek ,  Joon Woong Noh ,  Heung Sub Song ,  Seong Lee ,  Eun Pyo Kim

Inventor： Moon Hee Hong ,  Woon Hyung Baek ,  Joon Woong Noh ,  Heung Sub Song ,  Seong Lee ,  Eun Pyo Kim

IPC: B22F3/00 ,  B22F3/10 ,  C22C1/04 ,  B22F3/12

CPC classification number: B22F3/101 ,  C22C1/045

Abstract: A sintering method for a W--Ni--Mn type heavy alloy, including controlling the deoxidization of tungsten and nickel under an inert atmosphere, changing to a hydrogen atmosphere at above a temperature at which manganese is deoxidized and simultaneously deoxidizing tungsten, nickel and manganese, and sintering by raising the temperature, resulting in the fabrication of a sintered heavy alloy having a 100% relative theoretical density.

Abstract translation: 一种W-Ni-Mn型重合金的烧结方法，其包括在惰性气氛下控制钨和镍的脱氧，在高于锰脱氧并同时使钨，镍和锰脱氧的温度下变为氢气氛， 并通过提高温度进行烧结，从而制造具有100％相对理论密度的烧结重金属合金。

公开(公告)号：US5956558A

公开(公告)日：1999-09-21

申请号：US841714

申请日：1997-04-30

Applicant: Moon Hee Hong ,  Woon Hyung Baek ,  Joon Woong Noh ,  Heung Sub Song ,  Seong Lee ,  Eun Pyo Kim

Inventor： Moon Hee Hong ,  Woon Hyung Baek ,  Joon Woong Noh ,  Heung Sub Song ,  Seong Lee ,  Eun Pyo Kim

IPC: C22C1/04 ,  B22F3/26

CPC classification number: C22C1/045

Abstract: A fabrication method for a tungsten heavy alloy includes first fabricating a green compact or a sintered body composed of tungsten and other elements except manganese, then putting manganese thereon, and sintering the tungsten heavy alloy with manganese manganese, whereby the formation of pores, which occurs because manganese is oxidized by the deoxidation of oxides existing on the surface of powders of tungsten, nickel and iron is prevented, and a tungsten heavy alloy having a 100% non-theoretical density of 100% is obtained.

Abstract translation: 钨重合金的制造方法包括首先制造生坯或由钨等除锰以外的其他元素构成的烧结体，然后在其上放置锰，并用锰锰烧结钨重质合金，由此形成孔 由于锰被存在于钨粉末表面的氧化物的氧化而被氧化，所以可以防止镍和铁的缺陷，得到100％非理论密度为100％的钨重合金。