公开(公告)号：US09738964B2

公开(公告)日：2017-08-22

申请号：US14557592

申请日：2014-12-02

Applicant: Hubert Stüken GmbH & Co. KG

Inventor： Cord-Hinrich Bremer ,  Rolf Lange

IPC: C23C8/32 ,  C23C8/02 ,  C23C8/34 ,  C23C8/10 ,  C23C8/80

CPC classification number: C23C8/32 ,  C23C8/02 ,  C23C8/10 ,  C23C8/34 ,  C23C8/80

Abstract: A method for the nitro-carburization of a deep-drawn article or a stamped-bent article made of austenitic rustproof stainless steel includes inserting the article into an oven in a first process step and heating the article to a first temperature, wherein an oxygen containing standard atmosphere that is present in the oven is replaced by a first gas mixture, and in which the article is heated up to a second temperature in a second process step, wherein the first gas mixture is replaced by a second gas mixture, and in which the article is maintained on the second temperature in a third process step, wherein the article is treated with the second gas mixture, and in which the article is cooled down to a third temperature in a fourth process step, wherein the second gas mixture is replaced by a third gas mixture.

公开(公告)号：US09611533B2

公开(公告)日：2017-04-04

申请号：US14113573

申请日：2012-04-25

Applicant: Takumi Fujita ,  Kazuhiro Yagita

Inventor： Takumi Fujita ,  Kazuhiro Yagita

IPC: C23C8/34 ,  C21D1/76 ,  C21D9/40 ,  C23C8/32 ,  C21D1/06 ,  C23C8/02 ,  C23C8/80 ,  C23C28/04 ,  F16C33/64

CPC classification number: C23C8/34 ,  C21D1/06 ,  C21D1/76 ,  C21D9/40 ,  C23C8/02 ,  C23C8/32 ,  C23C8/80 ,  C23C28/042 ,  F16C33/64

Abstract: A method of manufacturing a machine component includes the steps of: preparing a member made of steel; forming a film containing vanadium at a surface by subjecting the member to oxidation; and forming a nitrogen-enriched layer by heating the member having the film formed in a heat treatment gas atmosphere containing nitrogen gas and absent of ammonia gas for carbonitriding.

公开(公告)号：US09587288B2

公开(公告)日：2017-03-07

申请号：US14383726

申请日：2013-03-29

Applicant: KOBE STEEL, LTD.

Inventor： Sayaka Nagamatsu ,  Yosuke Shindo

IPC: C22C38/18 ,  C22C38/40 ,  C22C38/22 ,  F16C33/12 ,  C21D9/32 ,  C21D1/06 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/38 ,  C23C8/34 ,  C23C8/80 ,  C10M103/06 ,  C21D6/00 ,  C21D6/02 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/42 ,  C22C38/58 ,  C23C8/26 ,  F16H57/00 ,  F16H57/04 ,  F16H55/06

CPC classification number: C21D9/32 ,  C10M103/06 ,  C21D1/06 ,  C21D6/002 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D6/02 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/004 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/58 ,  C23C8/26 ,  C23C8/34 ,  C23C8/80 ,  F16H55/06 ,  F16H57/00 ,  F16H57/041

Abstract: This gear has a predetermined chemical composition and has, in a surface-layer part, a texture of tempered martensite and/or tempered bainite and a steel material texture in which retained austenite exists in 1-10% by area percentage and in which a carbide is deposited in at least 5% by area percentage, and the nitrogen content at a depth of 20 μm below the surface is 2.0-6.0%. Thus, a gear that achieves even better seizing resistance in a power transmission part subjected to high rotation and high slippage and using a low-kinematic-viscosity lubricating oil is provided.

Abstract translation: 这种齿轮具有预定的化学成分，并且在表层部分中具有回火马氏体和/或回火贝氏体的组织以及以1-10％面积百分比存在残留奥氏体的钢材质地，其中碳化物 以至少5％的面积百分比沉积，并且在表面以下20μm深度处的氮含量为2.0-6.0％。 因此，提供了在高旋转和高滑动的动力传递部分中使用低运动粘度的润滑油实现更好的耐咬住性的齿轮。

公开(公告)号：US20160122858A1

公开(公告)日：2016-05-05

申请号：US14895098

申请日：2014-06-03

Applicant: DAIDO STEEL CO., LTD.

Inventor： Tomohiro ANDOH ,  Naoki UMEMORI ,  Toshiyuki MORITA ,  Yasushi MATSUMURA

IPC: C23C8/34 ,  C22C38/26 ,  C22C38/22 ,  C21D1/773 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D6/00 ,  C22C38/28 ,  C22C38/06

CPC classification number: C23C8/34 ,  C21D1/06 ,  C21D1/773 ,  C21D6/002 ,  C21D6/005 ,  C21D6/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C23C8/22

Abstract: The present invention provides a carburized part which is formed by processing a steel into a shape of a part and performing a carburizing treatment on the steel, the steel having a composition consisting essentially of, in terms of % by mass: 0.10% to 0.40% of C; 0.05% to 2.00% of Si; 0.30% to 2.00% of Mn; 0.30% to 3.00% of Cr; 0.025% or less of N; and as a pinning particle forming element which forms a pinning particle by nitrification, one or two or more elements selected from: 0.020% to 0.100% of Al; 0.01% to 0.20% of Nb; and 0.005% to 0.20% of Ti, and optionally: 0.80% or less of Mo, with the remainder being Fe and inevitable impurities, in which a crystal grain size number of a surface layer of the part at a depth of 50 μm or less from a surface is greater than 5, and the crystal grain size number of an inner portion of the part at a depth of 3 mm or more from the surface is 5 or less.

Abstract translation: 本发明提供一种渗碳部件，其通过将钢加工成部分的形状并对钢进行渗碳处理而形成，所述钢的组成基本上由质量％计为0.10％至0.40％ 的C; 0.05％〜2.00％的Si; 0.30％〜2.00％的Mn; 0.30％〜3.00％的Cr; 0.025％以下的N; 并且作为通过硝化形成钉扎颗粒的钉扎颗粒形成元件，选自以下的一种或两种以上的元素：Al：0.020〜0.100％ 0.01％〜0.20％的Nb; ，Ti：0.005〜0.20％，Mo：0.80％以下，余量为Fe和不可避免的杂质，其中，深度为50μm以下的部分的表面层的晶粒度数 从表面大于5°，表面的深度为3mm以上的部分的内部的晶粒尺寸数为5以下。

公开(公告)号：US20160024636A1

公开(公告)日：2016-01-28

申请号：US14805899

申请日：2015-07-22

Applicant: Toyota Jidosha Kabushiki Kaisha

Inventor： Shinichi HIRAMATSU ,  Koji Inagaki ,  Takaaki Kanazawa

IPC: C23C8/04 ,  C23C8/32 ,  C23C8/26 ,  C23C8/02 ,  C23C8/22

CPC classification number: C23C8/04 ,  C23C8/02 ,  C23C8/22 ,  C23C8/26 ,  C23C8/32 ,  C23C8/34

Abstract: A manufacturing method of steel in which an element of the treatment gas is dissolved and diffused includes heating the steel, making a treatment gas contact a surface of the steel such that an element of the treatment gas dissolves and diffuses from the surface of the steel into a surface layer thereof, and reducing a concentration of the treatment gas near a non-treatment surface that is a portion of the surface of the steel.

Abstract translation: 一种其中溶解和扩散处理气体的元素的钢的制造方法包括加热钢，使处理气体与钢的表面接触，使得处理气体的元素从钢的表面溶解并扩散到 其表面层，并且减少作为钢的表面的一部分的非处理表面附近的处理气体的浓度。

公开(公告)号：US20160010166A1

公开(公告)日：2016-01-14

申请号：US14770990

申请日：2013-10-17

Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION

Inventor： Suguru YOSHIDA ,  Tatsuya KOYAMA

IPC: C21D1/10 ,  C22C38/34 ,  C22C38/32 ,  C22C38/28 ,  C22C38/26 ,  C21D1/74 ,  C22C38/22 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D9/00 ,  C22C38/60 ,  C22C38/24

CPC classification number: C21D1/10 ,  C21D1/06 ,  C21D1/74 ,  C21D9/00 ,  C21D9/32 ,  C21D9/40 ,  C22C38/001 ,  C22C38/002 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/34 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/60 ,  C23C8/18 ,  C23C8/26 ,  C23C8/34 ,  C23C8/80 ,  Y02P10/253

Abstract: A Roughly Shaped material for induction hardened components including: a. steel as a base metal including, as a chemical composition, by mass %, C: 0.35% to 0.6%, Si: 0.02% to 2.0%, Mn: 0.30% to 1.5%, Al: 0.001% to 0.5%, Cr: 0.05% to 2.0%. S: 0.0001% to 0.05%, N: 0.003% to 0.0120%, P: 0.03% or less. 0: 0.0050% or less, an iron nitride layer having a thickness of 0.1 μm to 50 μm in a. depth direction is formed at a surface, and a volume fraction of a γ′ phase, which is a Fe nitride, in the iron nitride layer, is 80% or more.

Abstract translation: 用于感应淬火组件的粗糙材料，包括：a。 作为贱金属的钢，以质量％计含有C：0.35〜0.6％，Si：0.02〜2.0％，Mn：0.30〜1.5％，Al：0.001〜0.5％，Cr： 0.05％〜2.0％。 S：0.0001〜0.05％，N：0.003〜0.0120％，P：0.03％以下。 0：0.0050％以下，a。的厚度为0.1μm〜50μm的氮化铁层。 深度方向形成在表面，并且在氮化铁层中作为Fe氮化物的γ'相的体积分数为80％以上。

公开(公告)号：US20150167653A1

公开(公告)日：2015-06-18

申请号：US14571193

申请日：2014-12-15

Applicant: Robert Bosch GmbH

Inventor： Bernd Gaertner

IPC: F04B27/10 ,  F16J10/04

CPC classification number: F16J10/04 ,  C23C8/34 ,  F04B1/143 ,  F04B1/2035 ,  F04B53/162 ,  F04B53/166 ,  F05C2203/0813 ,  F05C2251/14

Abstract: A cylinder drum of a hydrostatic axial piston machine has a plurality of cylinder bores formed in the cylinder drum. A respective piston is moved in each of the cylinder bores in a manner subject to intensive wear. The cylinder bores are nitrocarburized in a salt bath or in gas to minimize the wear and include a thin uniform connecting layer that has a thickness of 4 to 16 μm and a comparatively thick underlying diffusion layer.

Abstract translation: 静液压轴向活塞机的气缸滚筒具有形成在气缸滚筒中的多个气缸孔。 相应的活塞在每个气缸孔中以受到强烈磨损的方式移动。 气缸孔在盐浴或气体中进行氮碳共渗以最小化磨损，并且包括厚度为4至16μm的薄均匀连接层和相对较厚的底层扩散层。

公开(公告)号：US20150038380A1

公开(公告)日：2015-02-05

申请号：US14383726

申请日：2013-03-29

Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO(KOBE STEEL, LTD.)

Inventor： Sayaka Nagamatsu ,  Yosuke Shindo

IPC: C21D9/32 ,  C22C38/02 ,  C22C38/06 ,  C22C38/04 ,  C22C38/38 ,  C22C38/22 ,  C22C38/24 ,  C22C38/28 ,  C22C38/26 ,  C22C38/32 ,  C22C38/42 ,  C22C38/58 ,  C23C8/26 ,  C21D1/06 ,  C21D6/00 ,  C21D6/02 ,  F16H57/00 ,  F16H57/04 ,  C10M103/06 ,  C22C38/00

CPC classification number: C21D9/32 ,  C10M103/06 ,  C21D1/06 ,  C21D6/002 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D6/02 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/004 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/38 ,  C22C38/42 ,  C22C38/58 ,  C23C8/26 ,  C23C8/34 ,  C23C8/80 ,  F16H55/06 ,  F16H57/00 ,  F16H57/041

Abstract: This gear has a predetermined chemical composition and has, in a surface-layer part, a texture of tempered martensite and/or tempered bainite and a steel material texture in which retained austenite exists in 1-10% by area percentage and in which a carbide is deposited in at least 5% by area percentage, and the nitrogen content at a depth of 20 μm below the surface is 2.0-6.0%. Thus, a gear that achieves even better seizing resistance in a power transmission part subjected to high rotation and high slippage and using a low-kinematic-viscosity lubricating oil is provided.

Abstract translation: 这种齿轮具有预定的化学成分，并且在表层部分中具有回火马氏体和/或回火贝氏体的组织以及以1-10％面积百分比存在残留奥氏体的钢材质地，其中碳化物 以至少5％的面积百分比沉积，并且在表面以下20μm深度处的氮含量为2.0-6.0％。 因此，提供了在高旋转和高滑动的动力传递部分中使用低运动粘度的润滑油实现更好的耐咬住性的齿轮。

公开(公告)号：US08871655B2

公开(公告)日：2014-10-28

申请号：US13726778

申请日：2012-12-26

Applicant: Tokyo Electron Limited

Inventor： Keisuke Suzuki ,  Kentaro Kadonaga ,  Byoung Hoon Lee ,  Eun Jo Lee ,  Sung Duk Son ,  Jae Hyuk Jang ,  Do Hyun Park

IPC: H01L21/31 ,  H01L21/02 ,  C23C8/34 ,  C23C16/24 ,  C23C16/56 ,  C23C28/04 ,  C23C28/00

CPC classification number: H01L21/31 ,  C23C8/34 ,  C23C16/24 ,  C23C16/56 ,  C23C28/04 ,  C23C28/42 ,  H01L21/02126 ,  H01L21/022

Abstract: The method of forming a silicon oxycarbonitride film on a base includes stacking a silicon carbonitride film and a silicon oxynitride film on the base to form the silicon oxycarbonitride film.

Abstract translation: 在基底上形成硅碳氮氧化物膜的方法包括在基底上堆叠碳氮化硅膜和氧氮化硅膜以形成硅碳氮氧化物膜。

公开(公告)号：US20140197003A1

公开(公告)日：2014-07-17

申请号：US14155714

申请日：2014-01-15

Applicant: CNK Co., Ltd. ,  JTEKT Corporation

Inventor： Hiroyuki ANDO ,  Junji ANDO ,  Takuya TSUDA ,  Shuichi TAKAHASHI ,  Kiyoyuki HATTORI ,  Kazuhiro FUKUSHIMA ,  Tomoyuki NANBA ,  Hiroshi SHIRAYANAGI

IPC: F16D13/64 ,  C23C8/26

CPC classification number: F16D13/64 ,  C21D1/06 ,  C21D1/58 ,  C21D1/74 ,  C21D7/13 ,  C21D9/0068 ,  C21D9/46 ,  C23C8/02 ,  C23C8/26 ,  C23C8/34 ,  C23C8/80 ,  F16D13/648 ,  F16D27/115

Abstract: A sliding member includes a base material portion formed of steel; a nitrogen diffusion layer with a thickness of 10 μm to 50 μm; and a nitrogen compound layer with a thickness of 10 μm to 50 μm. The nitrogen compound layer and the nitrogen diffusion layer are formed by performing a first heating process of performing heat treatment on a material formed of steel in an ammonia atmosphere at a temperature of 570° C. to 660° C., a second heating process of performing heat treatment on the material in a non-oxidizing and non-ammonia atmosphere at a temperature of 660° C. to 690° C., the temperature in the second heating process being higher than the temperature in the first heating process, and an oil cooling process of performing oil cooling treatment at an oil temperature of 60° C. to 80° C. subsequently to the second heating process.

Abstract translation: 滑动构件包括由钢形成的基材部分; 厚度为10μm〜50μm的氮扩散层; 和氮化合物层，其厚度为10μm至50μm。 氮化合物层和氮扩散层通过对在氨气氛中由钢形成的材料在570℃至660℃的温度下进行热处理的第一加热过程形成，第二加热过程 在660℃至690℃的温度下，在非氧化性和非氨气氛中对材料进行热处理，第二加热过程中的温度高于第一加热过程中的温度， 在第二加热过程之后的油温为60℃至80℃下进行油冷处理的油冷却过程。