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公开(公告)号：KR1020040000526A
公开(公告)日：2004-01-07
申请号：KR1020020035006
申请日：2002-06-21
IPC: C22C38/60
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance and formability by containing iron as a principal constituent, carbon, chromium, molybdenum, vanadium, tungsten, silicon, manganese and lead only without cobalt, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first process of press molding the blended alloy to a surface pressure of 5 to 8 tons/cm¬2 by blending a principal constituent of iron, 0.3 to 0.5 wt.% of carbon, 1.0 to 3.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 2.0 to 4.0 wt.% of vanadium, 5.0 to 7.0 wt.% of tungsten, 0.2 to 0.4 wt.% of sulfur, 0.2 to 0.5 wt.% of manganese and 10.0 to 15.0 wt.% of lead; second process of air cooling the sintered alloy after sintering the press molded alloy at a temperature of 1,140 to 1,180 deg.C after finishing the first process; third process of subzero cooling the air cooled sintered alloy to a temperature of -200 to -600 deg.C after finishing the second process; fourth process of impregnating the subzero cooled alloy with lead at a temperature of 450 to 550 deg.C after finishing the third process; and a process of manufacturing the wear resistant sintered alloy for valve seat by passing the lead impregnated alloy through barrel process at a temperature of 450 to 550 deg.C after finishing the fourth process.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，其通过以不含钴的碳，铬，钼，钒，钨，硅，锰和铅为主要成分来提高耐磨性和成形性，及其制造方法 被提供。 构成：该方法包括通过将铁的主要成分，0.3〜0.5重量％的碳，1.0〜3.0重量％的碳，1.0〜3.0重量％的碳， 铬，2.0〜4.0重量％的钼，2.0〜4.0重量％的钒，5.0〜7.0重量％的钨，0.2〜0.4重量％的硫，0.2〜0.5重量％的锰和10.0〜15.0 铅的重量％ 在完成第一工序之后，在1140〜1180℃的温度下烧结后，对烧结合金进行空气冷却的第二工序; 在完成第二工序之后，将空气冷却的烧结合金的低温冷却至-200〜-600℃的三次方法; 在完成第三次处理之后，在450℃至550℃的温度下浸渍具有铅的亚零冷却合金的第四工序; 以及在完成第四次处理之后，通过使引锭浸渍合金通过桶加工在450-550℃的温度下制造用于阀座的耐磨烧结合金的方法。
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公开(公告)号：KR1020040000525A
公开(公告)日：2004-01-07
申请号：KR1020020035005
申请日：2002-06-21
IPC: C22C38/12
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance by containing iron as a principal constituent, carbon, chromium, molybdenum, vanadium, tungsten, cobalt, silicon and manganese and simultaneously performing copper infiltration and sintering treatment, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first process of press molding the blended alloy to a surface pressure of 5 to 8 tons/cm¬2 by blending a principal constituent of iron, 0.8 to 1.2 wt.% of carbon, 2.0 to 5.0 wt.% of chromium, 5.0 to 7.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 8.0 to 12.0 wt.% of tungsten, 0.2 to 0.5 wt.% of manganese and 4.0 to 6.0 wt.% of cobalt; second process of air cooling the pure copper infiltrated and sintered alloy after infiltrating 20 to 30 wt.% of pure copper for the weight of the valve seat into the press molded alloy and sintering the pure copper infiltrated alloy at the same time at a temperature of 1,140 to 1,180 deg.C after finishing the first process; third process of rapidly cooling the heat treated alloy after heat treating the copper infiltrated and sintered alloy to a temperature of 1,130 to 1,180 deg.C after finishing the second process; fourth process of annealing the rapidly cooled alloy to a temperature of 600 to 700 deg.C after finishing the third process; and a process of proceeding some processing works on the annealed alloy at an ordinary temperature after finishing the fourth process.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，其通过以铁作为主要成分，碳，铬，钼，钒，钨，钴，硅和锰，并同时进行铜浸渗和烧结处理，提高耐磨性，并且 提供其制造方法。 构成：该方法包括通过将铁的主要成分，0.8至1.2重量％的碳，2.0至5.0重量％的碳，2.0至5.0重量％的碳共混而将共混合金压制成5至8吨/厘米2的表面压力的第一工艺 铬，5.0〜7.0重量％的钼，3.0〜5.0重量％的钒，8.0〜12.0重量％的钨，0.2〜0.5重量％的锰和4.0〜6.0重量％的钴; 将纯铜渗透和烧结合金浸入20-30重量％的纯铜中，将阀座的重量浸入压制成型合金中，同时在同一温度下烧结纯铜浸渗合金， 完成第一工序后1,140〜1,180度; 在完成第二工序之后，将铜浸渗烧结合金热处理后的热处理合金快速冷却至1130〜1180℃的温度的第3工序; 完成第三工序后将快速冷却合金退火至600〜700℃的第四工序; 以及在完成第四工序之后在常温下对退火的合金进行一些加工工艺的过程。
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公开(公告)号：KR100452451B1
公开(公告)日：2004-10-12
申请号：KR1020020033293
申请日：2002-06-14
Applicant: 현대자동차주식회사
Inventor： 장석균
IPC: C22C1/05
Abstract: PURPOSE: A powder alloy composition for spray coating is provided to improve wear resistance and corrosion resistance of cylinder block by mixing a matrix with rigid particles so that frictional and abrasion characteristics are given to the powder alloy composition, and a method for manufacturing cylinder block using the same is provided. CONSTITUTION: The powder alloy composition for spray coating is characterized in that it is prepared by mixing a matrix prepared by mixing pure iron having a powder particle size of 44 to 105 micrometers with stainless steel in a mixing ratio of 5:5 with rigid particles prepared by mixing Al2O3 with ZrO2 in a mixing ratio of 5:5 to 7:3 in a mixing ratio of 7:3 to 8:2. The method is characterized in that the cylinder block is manufactured by coating on the inner diameter of cylinder bore the powder alloy composition for spray coating prepared by mixing a matrix prepared by mixing pure iron having a powder particle size of 44 to 105 micrometers with stainless steel in a mixing ratio of 5:5 with rigid particles prepared by mixing Al2O3 with ZrO2 in a mixing ratio of 5:5 to 7:3 in a mixing ratio of 7:3 to 8:2 in a plasma type sprayer for spray coating vertically moved and rotationally moved, and wherein the plasma type sprayer for spray coating sprays argon gas at a high speed at a high temperature of 16,000 to 20,000 deg.C.
Abstract translation: 目的：提供一种用于喷涂的粉末合金组合物，以通过将基质与刚性颗粒混合以提高粉末合金组合物的摩擦和磨损特性来提高气缸体的耐磨性和耐腐蚀性，以及一种使用气缸体制造 同样提供。 组成：用于喷涂的粉末合金组合物的特征在于它是通过混合由混合比例为5:5的粉末粒度为44-105微米的纯铁与不锈钢制备的基体与制备的刚性颗粒 通过将Al 2 O 3与ZrO 2以5:5至7:3的混合比以7:3至8:2的混合比混合。 该方法的特征在于，气缸体通过在气缸内径的内径上涂覆通过混合通过混合粉末颗粒尺寸为44-105微米的纯铁与不锈钢制成的基体而制备的喷涂用粉末合金组合物 以5：5的混合比与在Al:ZrO 2混合比为5:5〜7:3，混合比例为7:3〜8:2的等离子体喷雾器中垂直喷涂的刚性颗粒 移动并旋转移动，其中用于喷涂的等离子体型喷雾器以16,000至20,000℃的高温高速喷射氩气。
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公开(公告)号：KR2019950027814U
公开(公告)日：1995-10-18
申请号：KR2019940004855
申请日：1994-03-11
Applicant: 현대자동차주식회사
Inventor： 장석균
IPC: F01L3/00
Abstract: 본고안은내연기관에적용되는마찰저감형태핏구조에관한것으로, 종래의심설치형태핏또는롤러장착형태핏(미국특허 4607599)이갖는문제점, 즉캠과태핏의결합각도를줄여면압을개선하고캠과접촉면의선접촉관계를향상시키며재질선정의자유도를높이고부품크기를줄여엔진콤팩트화에기여토록한 것이다. 본고안은심과태핏본체사이에박판의니들베어링을삽입하여캠의회전시심 및태핏본체가태핏의중심축을중심으로회전하여구름마찰과미끄럼마찰을동시에수행하도록한 것이다.
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Patent Agency Ranking
公开(公告)号：KR1019950008238A
公开(公告)日：1995-04-17
申请号：KR1019930018707
申请日：1993-09-16
Applicant: 현대자동차주식회사
Inventor： 장석균
IPC: C22C38/12
Abstract: C 1.0-2.0중량%, Ni 2.0-4.0중량%, Cr 7.0-13.0중량%, Mo 0.3-0.8중량%, Co 1.5-4.5중량%, Nb 0.5-1.5중량%, V 0.2-0.8중량%, Cu 11.0-18.0중량%, W 1.0-2.0, 나머지는 Fe로 이루어진 소결합금 조성물은 내마모성, 내충격성, 열전도성이 우수하며, 생산원가 측면에서도 저렴하여 자동차 밸브시이트용 소재로서 유용하다.
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公开(公告)号：KR100461304B1
公开(公告)日：2004-12-14
申请号：KR1020020035005
申请日：2002-06-21
IPC: C22C38/12
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance by containing iron as a principal constituent, carbon, chromium, molybdenum, vanadium, tungsten, cobalt, silicon and manganese and simultaneously performing copper infiltration and sintering treatment, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first process of press molding the blended alloy to a surface pressure of 5 to 8 tons/cm¬2 by blending a principal constituent of iron, 0.8 to 1.2 wt.% of carbon, 2.0 to 5.0 wt.% of chromium, 5.0 to 7.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 8.0 to 12.0 wt.% of tungsten, 0.2 to 0.5 wt.% of manganese and 4.0 to 6.0 wt.% of cobalt; second process of air cooling the pure copper infiltrated and sintered alloy after infiltrating 20 to 30 wt.% of pure copper for the weight of the valve seat into the press molded alloy and sintering the pure copper infiltrated alloy at the same time at a temperature of 1,140 to 1,180 deg.C after finishing the first process; third process of rapidly cooling the heat treated alloy after heat treating the copper infiltrated and sintered alloy to a temperature of 1,130 to 1,180 deg.C after finishing the second process; fourth process of annealing the rapidly cooled alloy to a temperature of 600 to 700 deg.C after finishing the third process; and a process of proceeding some processing works on the annealed alloy at an ordinary temperature after finishing the fourth process.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，其通过含有铁作为主要成分，提高耐磨性，碳，铬，钼，钒，钨，钴，硅和锰同时进行铜渗透和烧结处理， 提供了其制造方法。 本发明的方法包括：首先通过混合铁的主要成分，0.8-1.2重量％的碳，2.0-5.0重量％的氧化铝，将混合合金压制成5-8吨/ cm 2的表面压力， 的铬，5.0-7.0重量％的钼，3.0-5.0重量％的钒，8.0-12.0重量％的钨，0.2-0.5重量％的锰和4.0-6.0重量％的钴; 第二步，在将阀座重量的20至30重量％的纯铜浸入压制成型的合金中并同时烧结纯铜浸渍和烧结合金的同时在温度为 完成第一道工序后，为1,140至1,180摄氏度; 第三步骤，在完成第二步骤之后，将渗入铜的烧结合金热处理至1130至1180℃的温度之后，迅速冷却热处理后的合金; 第四步骤，在完成第三步骤之后，将快速冷却的合金退火至600-700℃的温度; 以及在完成第四过程之后在常温下对退火合金进行一些处理工艺的过程。
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公开(公告)号：KR1020030095738A
公开(公告)日：2003-12-24
申请号：KR1020020033293
申请日：2002-06-14
Applicant: 현대자동차주식회사
Inventor： 장석균
IPC: C22C1/05
Abstract: PURPOSE: A powder alloy composition for spray coating is provided to improve wear resistance and corrosion resistance of cylinder block by mixing a matrix with rigid particles so that frictional and abrasion characteristics are given to the powder alloy composition, and a method for manufacturing cylinder block using the same is provided. CONSTITUTION: The powder alloy composition for spray coating is characterized in that it is prepared by mixing a matrix prepared by mixing pure iron having a powder particle size of 44 to 105 micrometers with stainless steel in a mixing ratio of 5:5 with rigid particles prepared by mixing Al2O3 with ZrO2 in a mixing ratio of 5:5 to 7:3 in a mixing ratio of 7:3 to 8:2. The method is characterized in that the cylinder block is manufactured by coating on the inner diameter of cylinder bore the powder alloy composition for spray coating prepared by mixing a matrix prepared by mixing pure iron having a powder particle size of 44 to 105 micrometers with stainless steel in a mixing ratio of 5:5 with rigid particles prepared by mixing Al2O3 with ZrO2 in a mixing ratio of 5:5 to 7:3 in a mixing ratio of 7:3 to 8:2 in a plasma type sprayer for spray coating vertically moved and rotationally moved, and wherein the plasma type sprayer for spray coating sprays argon gas at a high speed at a high temperature of 16,000 to 20,000 deg.C.
Abstract translation: 目的：提供一种用于喷涂的粉末合金组合物，以通过将基体与刚性颗粒混合来提高气缸体的耐磨性和耐腐蚀性，从而赋予粉末合金组合物摩擦和磨损特性，以及使用 同样提供。 构成：用于喷涂的粉末合金组合物的特征在于，将通过将粉末粒径为44至105微米的纯铁与5:5的混合比例的不锈钢混合制备的基质与制备的刚性颗粒混合制备 通过以7:3至8:2的混合比例将Al 2 O 3与ZrO 2以5:5至7:3的混合比混合。 该方法的特征在于，通过在气缸内径上涂覆用于喷涂的粉末合金组合物制造气缸体，其通过将通过混合粉末粒度为44至105微米的纯铁与不锈钢混合制备的基体 在5:5至7:3的混合比例下，混合比为5:5:7:3，混合比例为5:5，混合比例为7:3至8:2的Al2O3与ZrO2混合制备的刚性颗粒，用于垂直喷涂的等离子体喷雾器 移动并旋转移动，其中用于喷涂的等离子体型喷雾器在16000至20,000℃的高温下高速喷射氩气。
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公开(公告)号：KR200122062Y1
公开(公告)日：1998-08-17
申请号：KR2019920022126
申请日：1992-11-11
Applicant: 현대자동차주식회사
Inventor： 장석균
IPC: F16C3/06
Abstract: 캠샤프트에 별도로 제작되어 경화된 캠을 고정 장착하는 구조를 취하도록 하여 캠을 보유하는 캠샤프트의 제작이 용이하게 하고, 따라서 그만큼의 제작원가를 낮출 수 있도록 하는 엔진의 캠샤프트를 제공하기 위하여 엔진의 크랭크 샤프트와 타이밍 벨트로 연계되는 타이밍 기어와 동축으로 고정되는 캠샤프트에 2개 라인을 형성하는 나선형홈을 파주고, 다수의 캠이 배치되는 소정부위의 나선형홈에 이의 저면으로부터 그 상면이 빗면의 형상을 취하도록 형성된 소정 높이의 고정돌기를 돌출 형성하고 있으며, 이와 같은 캠샤프트에 고정되는 다수개의 캠에는 샤프트홀을 뚫어주어 캠샤프트에 끼워질 수 있도록 하되, 샤프트홀의 소정부에는 나선형홈을 따라 이동이 가능하며 캠샤프트의 고정돌기와 억지 끼워 맞춤이 가능한 캠돌기를 돌입 형성토록 하여 이를 경화시킨 후 캠샤프트에 고정될 수 있도록 한 것.
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公开(公告)号：KR1019950032675A
公开(公告)日：1995-12-22
申请号：KR1019940009780
申请日：1994-05-04
Applicant: 현대자동차주식회사
Inventor： 장석균
Abstract: 본 발명은 밸브시이트용 소결합금에 관한 것으로서, 더욱 상세하게는 자동차의 밸브시이트용 소결합금에 있어서 Ni함량을 대폭 줄이고 Co를 첨가하되 일부를 순금속 분말형태로 첨가하여 이루어짐으로써 내열성과 내피팅성이 우수하고 오스테이이트(Austenite)의 잔류량을 감소시킬수 있는 밸브시이트용 소결합금에 관한 것이다.
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