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公开(公告)号:KR1020100009079A
公开(公告)日:2010-01-27
申请号:KR1020080069773
申请日:2008-07-17
Applicant: 현대자동차주식회사
CPC classification number: H01M8/021 , H01M8/0213 , H01M8/0228 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: PURPOSE: A metal bipolar plate for a fuel cell is provided to ensure excellent water drain function and heat sink capability while having excellent electric conductivity and corrosion resistance by forming a carbon coating layer on the surface of a stainless steel base material. CONSTITUTION: A metal bipolar plate for a fuel cell comprises a stainless steel base material(11) for a metal bipolar plate for a fuel cell, and a carbon coating layer(12) containing 25~35 at.% fluorine formed on the surface of the stainless steel base material. The thickness of the carbon coating layer is of 0.5~2 micron and the hardness thereof is 16~19 GPa.
Abstract translation: 目的:提供一种用于燃料电池的金属双极板,通过在不锈钢基材的表面上形成碳涂层,确保优异的排水功能和散热能力,同时具有优异的导电性和耐腐蚀性。 构成:用于燃料电池的金属双极板包括用于燃料电池的金属双极板的不锈钢基材(11)和包含25〜35原子%氟的碳涂层(12),其形成在 不锈钢基材。 碳涂层的厚度为0.5〜2微米,硬度为16〜19GPa。
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公开(公告)号:KR100887851B1
公开(公告)日:2009-03-09
申请号:KR1020080070306
申请日:2008-07-18
CPC classification number: F01L1/143 , Y10T74/2107
Abstract: A valve lifter for an internal combustion engine and method for surface treatment thereof are provided to accomplish low friction property and superior friction resistance. A valve lifter comprises a buffer layer formed by sputtering a metal target on the surface of a carbonitriding base material; a Me-DLC later of 0.3~0.6mum thickness by sputtering any one among tungsten, chrome, titanium, and molybdenum on the buffer layer; and a DLC layer of 1~1.5mum thickness having 60~70% of SP3 combination fraction.
Abstract translation: 提供一种用于内燃机的气门挺杆及其表面处理方法,以实现低摩擦性能和优异的摩擦阻力。 气门挺杆包括通过在碳氮共渗基材的表面上溅射金属靶而形成的缓冲层; 通过溅射钨,铬,钛和钼中的任何一种在缓冲层上,之后的厚度为0.3〜0.6μm的Me-DLC; 和1〜1.5μm厚度的DLC层,具有60〜70%的SP3组合级分。
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公开(公告)号:KR101637632B1
公开(公告)日:2016-07-07
申请号:KR1020130162306
申请日:2013-12-24
Applicant: 현대자동차주식회사 , 경북대학교 산학협력단
Abstract: 본발명은 (A) 나일론; 및 (B) 나일론과산화그래핀이포함된산화그래핀마스터배치칩을포함하는나일론복합체와이를제조하는방법에관한것으로, 나일론중합반응시에산화그래핀을포함시켜산화그래핀마스터배치칩(B)으로제조한것을나일론(A)와컴파운딩함으로써, 종래나일론에산화그래핀그대로를컴파운딩하여제조한나일론복합체와대비하여매우극소량의산화그래핀을사용하더라도산화그래핀이고르게분포하여길이탄성율, 강도, 인장등의기계적물성이향상된나일론복합체를제공할수 있다.
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公开(公告)号:KR101000697B1
公开(公告)日:2010-12-10
申请号:KR1020080069773
申请日:2008-07-17
Applicant: 현대자동차주식회사
CPC classification number: H01M8/021 , H01M8/0213 , H01M8/0228 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: 본 발명은 연료전지용 금속분리판 및 이의 표면층 형성 방법에 관한 것으로서, 스테인리스강 모재의 표면에 표면에너지를 감소시키는 플루오린(F)을 함유한 카본 코팅층을 형성함으로써 우수한 전기전도성과 내부식성을 가지면서도 우수한 물의 배수 성능과 열방출 성능을 가지는 연료전지용 금속분리판 및 이의 표면층 형성 방법에 관한 것이다. 이러한 본 발명의 연료전지용 금속분리판에서는 플루오린의 첨가에 의해 표면 코팅층의 내부 잔류응력을 상당량 완화시키므로 스테인리스강과 표면 코팅층 간의 밀착력을 향상시키는 추가적인 효과를 기대할 수 있다.
연료전지, 고분자 전해질, PEMFC, 금속분리판, 스테인리스강, 표면층, 표면 코팅, PACVD, 내부식성, 전기전도성, 접촉저항, 배수성, 열방출성, 플루오린, 카본 코팅층-
公开(公告)号:KR1020100103242A
公开(公告)日:2010-09-27
申请号:KR1020090021770
申请日:2009-03-13
Applicant: 현대자동차주식회사 , 고려대학교 산학협력단 , 기아자동차주식회사
IPC: C09D127/18 , B82B3/00 , B82Y30/00
CPC classification number: B05D5/083 , B05D2601/20 , C09D127/18 , F02F3/10 , F16J1/02
Abstract: PURPOSE: A polytetrafluoroethylene coating agent, a manufacturing method thereof, and a using method thereof are provided to secure the dispersibility of nanodiamond powder, and to improve the adhesive force of the nanodiamond powder with the polytetrafluoroethylene. CONSTITUTION: A polytetrafluoroethylene coating agent contains a nanodiamond powder particle, a polar organic solvent in which the nanodiamond powder particle is dispersed, polytetrafluoroethylene mixed with the polar organic solvent, and a silane coupling agent. The silane coupling agent combines with an inorganic functional group of the polytetrafluoroethylene, and an organic functional group of the nanodiamond powder particle.
Abstract translation: 目的:提供一种聚四氟乙烯涂层剂及其制造方法及其使用方法,以确保纳米金刚石粉末的分散性,并提高纳米金刚石粉末与聚四氟乙烯的粘合力。 构成:聚四氟乙烯涂层剂含有纳米金刚石粉末颗粒,其中分散有纳米金刚石粉末颗粒的极性有机溶剂,与极性有机溶剂混合的聚四氟乙烯和硅烷偶联剂。 硅烷偶联剂与聚四氟乙烯的无机官能团和纳米金刚石粉末颗粒的有机官能团结合。
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公开(公告)号:KR1020030016566A
公开(公告)日:2003-03-03
申请号:KR1020010050204
申请日:2001-08-21
Applicant: 현대자동차주식회사
Inventor: 최성문
IPC: G01B11/30
Abstract: PURPOSE: A method for examining a hole diameter of a nozzle for a diesel engine is provided to improve output of an engine and improve environment of the atmosphere by reducing smoke exhaust. CONSTITUTION: A method for examining a hole diameter of a nozzle for a diesel engine includes the steps of setting a nozzle hole diameter at a diamond precision cutting machine and cutting the nozzle hole diameter for processing a test piece(110), processing a center part of the cut nozzle hole diameter(120), cleaning and drying the processed nozzle hole diameter to remove alien substances generated during the processing(130), and examining the machined surface of the processed nozzle hole diameter(140).
Abstract translation: 目的:提供一种用于检查柴油发动机喷嘴的孔径的方法,以改善发动机的输出并通过减少排气来改善大气的环境。 构成:用于检查柴油发动机喷嘴的孔径的方法包括以下步骤:在金刚石精密切割机上设置喷嘴孔直径,并切割加工试验片(110)的喷嘴孔直径,加工中心部分 切割喷嘴孔直径(120),清洁和干燥加工喷嘴孔直径以去除在加工(130)期间产生的异物,并检查加工喷嘴孔直径(140)的加工表面。
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公开(公告)号:KR1020150074481A
公开(公告)日:2015-07-02
申请号:KR1020130162306
申请日:2013-12-24
Applicant: 현대자동차주식회사 , 경북대학교 산학협력단
Abstract: 본발명은 (A) 나일론; 및 (B) 나일론과산화그래핀이포함된산화그래핀마스터배치칩을포함하는나일론복합체와이를제조하는방법에관한것으로, 나일론중합반응시에산화그래핀을포함시켜산화그래핀마스터배치칩(B)으로제조한것을나일론(A)와컴파운딩함으로써, 종래나일론에산화그래핀그대로를컴파운딩하여제조한나일론복합체와대비하여매우극소량의산화그래핀을사용하더라도산화그래핀이고르게분포하여길이탄성율, 강도, 인장등의기계적물성이향상된나일론복합체를제공할수 있다.
Abstract translation: 本发明涉及一种尼龙复合材料,其包括(A)尼龙; 和(B)包括尼龙和石墨烯氧化物的氧化石墨烯母料芯片及其制造方法,其中所提供的尼龙复合材料通过在工艺中加入石墨烯氧化物将尼龙(A)与氧化石墨烯母料芯片(B) 的聚合尼龙并且具有均匀的石墨烯氧化物,尽管与通过将石墨烯氧化物与现有的尼龙混合制造的现有的尼龙复合材料相比,本发明的制造的尼龙复合材料使用少量的石墨烯氧化物,从而具有改善的物理性能,如模量 的弹性,力量和拉伸。
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公开(公告)号:KR101080725B1
公开(公告)日:2011-11-07
申请号:KR1020090021770
申请日:2009-03-13
Applicant: 현대자동차주식회사 , 고려대학교 산학협력단 , 기아자동차주식회사
IPC: C09D127/18 , B82B3/00 , B82Y30/00
CPC classification number: B05D5/083 , B05D2601/20 , C09D127/18 , F02F3/10 , F16J1/02
Abstract: 저마찰및 내마모특성을갖는 PTFE 코팅제, 이의제조방법및 사용방법이소개된다. 상기코팅제는, 나노다이아몬드분말을극성유기용매에분산시켜얻어진분산용액을실란커플링제와교반하고, 이렇게실란커플링제로처리된분산용액을유성 PTFE 코팅액과교반함을통해얻어진다. 상기실란커플링제는유기관능기로메르캅토기, 아미노기중에서적어도어느하나를가지며, 이러한유기관능기는 PTFE와의부착성이우수하다.
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公开(公告)号:KR100428365B1
公开(公告)日:2004-04-30
申请号:KR1020010050204
申请日:2001-08-21
Applicant: 현대자동차주식회사
Inventor: 최성문
IPC: G01B11/30
Abstract: PURPOSE: A method for examining a hole diameter of a nozzle for a diesel engine is provided to improve output of an engine and improve environment of the atmosphere by reducing smoke exhaust. CONSTITUTION: A method for examining a hole diameter of a nozzle for a diesel engine includes the steps of setting a nozzle hole diameter at a diamond precision cutting machine and cutting the nozzle hole diameter for processing a test piece(110), processing a center part of the cut nozzle hole diameter(120), cleaning and drying the processed nozzle hole diameter to remove alien substances generated during the processing(130), and examining the machined surface of the processed nozzle hole diameter(140).
Abstract translation: 目的:提供一种用于检查柴油机喷嘴孔径的方法,以通过减少排气来提高发动机的输出并改善大气环境。 用于检测柴油机喷嘴孔径的方法包括以下步骤:在金刚石精密切割机上设置喷嘴孔直径,并切割喷嘴孔直径以加工试件(110),加工中心部分 (120)的清洁和干燥处理的喷嘴孔直径以去除在处理(130)期间产生的外来物质,并且检查加工后的喷嘴孔直径(140)的加工表面。
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