-
公开(公告)号：KR100461305B1
公开(公告)日：2004-12-14
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性烧结合金，其通过仅含有铁作为主要成分，仅用钴而不改变碳，铬，钼，钒，钨，硅，锰和铅而提高耐磨性和可成形性，及其制造方法 被提供。 构成：该方法包括：通过混合铁的主要成分，0.3-0.5重量％的碳，1.0-3.0重量％的氧化铝，将混合合金压制成5至8吨/ cm 2的表面压力 的铬，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重量％ 铅的重量百分比; 在完成第一工序后，在1140〜1180℃的温度下对压制成形的合金进行烧结之后，对烧结合金进行空冷的第二工序; 第二工序结束后，将空冷式烧结合金冷却至零下零度以下的第三工序; 第四步骤，在完成第三步骤之后，在450至550℃的温度下用铅浸渍零下冷却的合金; 以及在完成第四工艺之后，通过使铅浸渍合金在450至550℃的温度下通过桶形工艺来制造用于阀座的耐磨烧结合金的工艺。
-
公开(公告)号：KR1020040000527A
公开(公告)日：2004-01-07
申请号：KR1020020035007
申请日：2002-06-21
IPC: C22C38/60
CPC classification number: C22C38/22 , C22C33/0228 , C22C33/0242 , C22C33/0278 , C22C38/04 , C22C38/24 , C22C38/30 , 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, 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, 1.2 to 1.7 wt.% of carbon, 3.5 to 5.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 7.0 to 10.0 wt.% of tungsten, 2.0 to 3.5 wt.% of cobalt, 0.1 to 1.0 wt.% of boron nitride, 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，其通过以铁，铬，钼，钒，钨，硅，锰和铅为主要成分提高耐磨性和成形性，并提供其制造方法。 构成：该方法包括通过将铁的主要成分，1.2〜1.7重量％的碳，3.5〜5.0重量％的碳，3.5〜5.0重量％的碳，将共混合金压制成5〜8吨/ 铬，2.0〜4.0重量％的钼，3.0〜5.0重量％的钒，7.0〜10.0重量％的钨，2.0〜3.5重量％的钴，0.1〜1.0重量％的氮化硼，0.2〜 0.4重量％的硫，0.2〜0.5重量％的锰和10.0〜15.0重量％的铅; 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。
-
公开(公告)号：KR100461306B1
公开(公告)日：2004-12-14
申请号：KR1020020035007
申请日：2002-06-21
IPC: C22C38/60
CPC classification number: C22C38/22 , C22C33/0228 , C22C33/0242 , C22C33/0278 , C22C38/04 , C22C38/24 , C22C38/30 , C22C38/60
Abstract: A sintered alloy having an improved wear resistance and a workability for a valve seat. The alloy contains iron as a main component, carbon, silicon, chromium, molybdenum, cobalt, maganese, lead, vanadium, advantageously boron nitride, and tungsten. The strength, wear resistance, and material properties are improved by a sub-zero treatment. Sintered alloy with wear resistance used for a valve seat comprises Fe as a main component, C of 1.2 to 1.7 wt %, Cr of 3.5 to 5.0 wt %, Mo of 2.0 to 4.0 wt %, V of 3.0 to 5.0 wt %, W of 7.0 to 10.0 wt %, Co of 2.0 to 3.5 wt %, boron nitride of 0.1 to 1.0 wt %, S of 0.2 to 0.4 wt %, Mn of 0.2 to 0.5 wt %, advantageously 0.2 to 0.6% Si, and Pb of 10.0 to 15.0 wt %. Sintered alloy for an valve seat is manufactured by a sub-zero treatment so that the amount of metallic particles separated from a base matrix decreases and a size of the separated metallic particle becomes small.
Abstract translation: 一种烧结合金，具有改善的耐磨性和用于阀座的可加工性。 该合金含有铁作为主要组分，碳，硅，铬，钼，钴，锰，铅，钒，有利的是氮化硼和钨。 通过零度处理改善强度，耐磨性和材料性能。 用于阀座的具有耐磨性的烧结合金包含Fe作为主要组分，1.2至1.7重量％的C，3.5至5.0重量％的Cr，2.0至4.0重量％的Mo，3.0至5.0重量％的V，W 7.0至10.0重量％的Co，2.0至3.5重量％的Co，0.1至1.0重量％的氮化硼，0.2至0.4重量％的S，0.2至0.5重量％的Mn，有利地0.2至0.6重量％的Si和 10.0至15.0重量％。 用于阀座的烧结合金通过零度处理制造，使得从基体分离的金属颗粒的量减少并且分离的金属颗粒的尺寸变小。
-
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。
-
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。
-
Patent Agency Ranking
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。
-
公开(公告)号：KR1020040001721A
公开(公告)日：2004-01-07
申请号：KR1020020037034
申请日：2002-06-28
IPC: C22C38/12
Abstract: PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance compared to existing sintered alloy for valve seat by performing heat treatment after changing composition for the alloy and infiltrating copper into the alloy simultaneously, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first step of press molding the blended material to a surface pressure of 5 to 8 ton/cm¬2 by blending a principal constituent of iron, 1.1 to 1.6 wt.% of carbon, 3.0 to 5.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 6.5 to 9.5 wt.% of tungsten, 2.0 to 3.5 wt.% of cobalt, 0.2 to 0.6 wt.% of silicon, 0.1 to 1.0 wt.% of boron nitride, 0.2 to 0.4 wt.% of sulfur and 0.2 to 0.5 wt.% of manganese; second step of air cooling the sintered material after sintering the press molded material to a temperature of 1,150 to 1,200 deg.C after finishing the first step; third step of infiltrating 12 to 18 wt.% of pure copper into the air cooled material at a temperature of 1,080 to 1,100 deg.C after finishing the second step; fourth step of oil cooling the pure copper infiltrated material after maintaining the pure copper infiltrated material at a temperature of 850 to 880 deg.C for 30 to 50 min after finishing the third step; and fifth step of tempering the oil cooled material to a temperature of 600 to 650 deg.C after finishing the fourth step.
Abstract translation: 目的：提供一种用于阀座的耐磨烧结合金，与现有的阀座烧结合金相比，通过在将合金和渗入铜的组合物同时改变成合金之后进行热处理而提高耐磨性，并提供其制造方法。 构成：该方法包括通过将铁的主要成分，1.1〜1.6重量％的碳，3.0〜5.0重量％的碳，3.0〜5.0重量％的碳，通过将共混材料压制成表面压力为5〜8吨/ 铬，2.0〜4.0重量％的钼，3.0〜5.0重量％的钒，6.5〜9.5重量％的钨，2.0〜3.5重量％的钴，0.2〜0.6重量％的硅，0.1〜1.0 氮化硼的重量百分比，0.2-0.4重量％的硫和0.2-0.5重量％的锰; 在完成第一步骤之后，将压制成型材料烧结后的烧结材料的空气冷却的第二步骤为1150〜1200℃的温度; 在完成第二步之后，在1080〜1100℃的温度下将12〜18重量％的纯铜浸入空气冷却材料中; 在完成第三步之后将纯铜渗透材料在850〜880℃的温度保持30〜50分钟后，冷却纯铜浸渗材料的第四步骤; 以及在完成第四步之后将油冷却材料回火至温度为600至650℃的第五步骤。
-
公开(公告)号：KR101526587B1
公开(公告)日：2015-06-05
申请号：KR1020090052781
申请日：2009-06-15
Applicant: 현대자동차주식회사
Abstract: 디스크햇 및마찰판이일체로주조되는브레이크디스크및 그제조금형이소개된다. 이브레이크디스크는마찰판캐비티부(210)가형성된하부몰드(200)에서성형되는마찰판(310)과,디스크햇 캐비티부(110)가형성된상부몰드(100)와디스크햇 하부캐비티부(220)가형성된하부몰드(200)에서성형되는디스크햇(320)을포함하고, 마찰판캐비티부(210)에주입되는용탕은디스크햇 하부캐비티부(220)로의유입이방지되도록마찰판캐비티부(210)에느리게주입되어마찰판(310)으로주조된다. 이러한본 발명에따르면, 마찰판의회주철과디스크햇의구상흑연주철사이계면에서재용융이원활하게이루어질수 있다.
Abstract translation: 引入了其中盘头和摩擦板一体铸造的制动盘以及用于制造制动盘的模具。 该消除盘包括形成在具有摩擦板腔210和上模100的下模200中的摩擦板310以及其上形成有盘体腔110的盘底腔220 盘体200的下半部分的下半部分和盘体200的下半部分的下半部分。 并被铸入摩擦板310中。 根据本发明，可以平滑地熔化摩擦盘的灰铸铁和盘帽的球墨铸铁之间的界面中的铁。
-
公开(公告)号：KR1020070103123A
公开(公告)日：2007-10-23
申请号：KR1020060034828
申请日：2006-04-18
Applicant: 에스티티코리아 주식회사 , 현대자동차주식회사
IPC: C09D127/12 , C09D1/00
CPC classification number: C09D179/08 , C09D1/00 , C09D5/00
Abstract: A coating composition for a sliding member is provided to prevent scuffing caused by a continuous load and heat and to significantly reduce friction and wear. A coating composition for a sliding member comprises: at least one resin material selected from polyamideimide(PAI) resins and polyimide(PI) resins; and at least one solid lubricating agent selected from sulfide, fluorine-containing compounds and graphite, wherein the solid lubricating agent is used in an amount of 1-500 parts by weight based on 100 parts by weight of the resin material. Particular examples of the sulfide include molybdenum disulfide or tungsten disulfide.
Abstract translation: 提供了一种用于滑动构件的涂料组合物，以防止由连续的载荷和热量引起的磨损并显着降低摩擦和磨损。 一种用于滑动构件的涂料组合物包括：至少一种选自聚酰胺酰亚胺（PAI）树脂和聚酰亚胺（PI））树脂的树脂材料; 和至少一种选自硫化物，含氟化合物和石墨的固体润滑剂，其中所述固体润滑剂的用量为1-500重量份，基于100重量份的树脂材料。 硫化物的具体实例包括二硫化钼或二硫化钨。
-
公开(公告)号：KR100482441B1
公开(公告)日：2005-04-14
申请号：KR1020020024657
申请日：2002-05-06
Applicant: 현대자동차주식회사
Inventor： 임종대
IPC: B22F3/11
Abstract: 본 발명은 탄소 0.2∼0.8 중량% 및 구리 1.0∼5.0 중량%을 포함하고 나머지는 철로 구성되는 저합금 철분말과, 탄소 1.0∼1.3 중량%, 크롬 3.5∼4.2 중량%, 몰리브덴 9.0∼10.0 중량%, 바나듐 1.0∼1.4 중량%, 텅스텐 1.2∼1.8 중량%, 코발트 7.8∼8.5 중량% 및 실리콘 0.5 중량% 이하를 함유하고 나머지는 철로 구성되는 고합금 철분말이 1:1로 혼합된 것을 특징으로 하는 피스톤용 다공질 소결재 인서트 조성물과; 상기 다공질 소결재 인서트 조성물을 금형속에 넣고 링형상의 성형체가 되도록 5∼7kgf/㎠으로 압력을 가하되, 성형체의 밀도는 5.5∼6.5 g/cm
3 가 되도록 하고, 상기 링형상의 성형체를 환원분위기의 소결로에서 소결온도 1050∼1250℃로 30∼60분 동안 소결하여, 기공율이 30∼50 부피%인 다공질의 소결재 인서트로 제조되는 것을 특징으로 하는 피스톤용 다공질 소결재 인서트의 제조 방법을 제공하고자 한 것이다.
-
-
-
-
-
-
-
-
-
Search Results
48
records
(took 0.02 seconds)
