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公开(公告)号:KR101264597B1
公开(公告)日:2013-05-23
申请号:KR1020060130747
申请日:2006-12-20
Applicant: 재단법인 포항산업과학연구원
IPC: C25C3/26
Abstract: 본발명에따르면, 칼슘티탄산화물은소결체로서다공성이기때문에많은채널이형성되어있어전기분해반응에서전기전도성을증대함으로써용융염속에서의금속 Ti분말을효율적으로단시간에얻을수 있도록할 수있는것이다.
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公开(公告)号:KR1020120075203A
公开(公告)日:2012-07-06
申请号:KR1020100137253
申请日:2010-12-28
Applicant: 재단법인 포항산업과학연구원
CPC classification number: A61L27/06 , A61F2240/001 , A61L27/32 , C23C14/14 , C23C14/22
Abstract: PURPOSE: A method for manufacturing bio-affinitive implant is provided to enhance cohesive power between an implant and a coating layer. CONSTITUTION: A method for manufacturing bio-affinitive implant is as follows. Hydroxyapatite composite powder is prepared by dispersing silver powder into hydroxyapatite powder. One or among nitrogen, argon, helium, hydrogen gas or carrier gas(13) is supplied. The hydroxyapatite composite powder is supplied to a vacuum chamber(19) in a condition without atmosphere while moving with carrier gas in a closed circuit. The hydroxyapatite composite powder collides with an implant type base metal and forms a coating layer.
Abstract translation: 目的:提供一种制造生物亲和性植入物的方法,以增强植入物和涂层之间的内聚力。 构成:生物亲和性植入物的制造方法如下。 羟基磷灰石复合粉末是通过将银粉分散在羟基磷灰石粉中制成的。 供应氮气,氩气,氦气,氢气或载气(13)之一。 羟基磷灰石复合粉末在没有气氛的条件下被供给到真空室(19),同时在封闭回路中与载气一起移动。 羟基磷灰石复合粉末与植入型贱金属碰撞并形成涂层。
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公开(公告)号:KR1020110076570A
公开(公告)日:2011-07-06
申请号:KR1020090133315
申请日:2009-12-29
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: PURPOSE: A molten-salt electrolysis device is provided to enhance current efficiency by blocking reverse reaction of chlorine gas and metallic magnesium and quickly moving molten salt. CONSTITUTION: An electrolytic bath comprises one open surface. A barrier is coupled to the inside of the bath and divides the inner space of the bath into a Mg recovering tank(12) and a chlorine-gas recovering tank(14). An auxiliary barrier(30) slopes downwardly from the barrier and forms a reaction tank in the inner space of the bath. The auxiliary barrier forms a chlorine-gas path in the bath. The auxiliary barrier comprises a gas guide hole(32), which guides the flow of the chlorine gas.
Abstract translation: 目的:提供熔盐电解装置,通过阻止氯气和金属镁的反向反应和快速移动的熔盐来提高电流效率。 构成:电解槽包括一个开放的表面。 屏障耦合到浴室内部,并将浴的内部空间分成Mg回收槽(12)和氯气回收罐(14)。 辅助屏障(30)从屏障向下倾斜,并在浴的内部空间中形成反应罐。 辅助屏障在浴中形成氯气路径。 辅助屏障包括引导氯气流的气体导向孔(32)。
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公开(公告)号:KR1020100076347A
公开(公告)日:2010-07-06
申请号:KR1020080134362
申请日:2008-12-26
Applicant: 재단법인 포항산업과학연구원 , 주식회사 세아창원특수강 , 포스코신기술연구조합 , 주식회사 포스코
CPC classification number: F27B14/04 , F27B2014/045 , F27D7/06 , F27D2007/066 , F27D2099/0021
Abstract: PURPOSE: A consumable electrode for melting vacuum arc and a manufacturing method thereof are provided to manufacture consumable electrode having high density through cold compression and to reduce manufacturing costs. CONSTITUTION: A consumable electrode comprises a metal chip for making a consumable electrode(130) and a metal sponge(110). The density of a consumable electrode is 3.5 g /cm^2 or greater. The metal chip for making consumable electrode is titanium or zirconium. The consumable electrode comprises metal chip for making consumable electrode 10~50 weight% and metal sponge 50~90 weight%. The average particle diameter of the metal chip for making consumable electrode is 20mm or less.
Abstract translation: 目的:提供一种用于熔化真空电弧的消耗电极及其制造方法,以通过冷压缩制造具有高密度的消耗电极并降低制造成本。 构成:消耗电极包括用于制造消耗电极(130)和金属海绵(110)的金属芯片。 消耗电极的密度为3.5g / cm 2以上。 用于制造消耗电极的金属芯片是钛或锆。 消耗电极包括用于制造消耗电极10〜50重量%的金属片和50〜90重量%的金属海绵。 用于制造可消耗电极的金属芯片的平均粒径为20mm以下。
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公开(公告)号:KR1020020050455A
公开(公告)日:2002-06-27
申请号:KR1020000079604
申请日:2000-12-21
Applicant: 재단법인 포항산업과학연구원
IPC: B22D19/16
Abstract: PURPOSE: A method is provided which not only obtains a high mixing ratio obtained by mechanical bonding but also manufactures a bimetallic cast a joining interface of which is metallurgically bonded. CONSTITUTION: In a method for manufacturing a bimetallic cast consisting of different materials, the method for manufacturing the bimetallic cast with superior wear resistance and toughness comprises the steps of manufacturing one material of the different materials into a cast; charging the cast into a mold; and injecting the other material out of the different materials into the mold as a molten metal, and casting the molten material as heating starting from the outer part of the mold, wherein the different materials that are manufactured into the cast have lower melting points than other different materials injected into the molten metal, a material having a lower melting point is a wear resistant material while a material having a higher melting point is a material with toughness, the outer part of the mold is heated so that a temperature difference between the cast and the molten metal is less than 500 deg.C, and the mold is heated by an induction heating method from the outer part of the mold for less than 6 minutes.
Abstract translation: 目的:提供一种方法,其不仅获得通过机械粘合获得的高混合比,而且制造双金属铸件,其接合界面是冶金结合的。 构成:在由不同材料制成双金属铸造的方法中,制造具有优异的耐磨性和韧性的双金属铸件的方法包括将不同材料的一种材料制成铸件的步骤; 将铸件装入模具中; 并将其它材料从不同材料中注入作为熔融金属的模具中,并且从模具的外部将熔融材料浇铸成加热,其中制成铸件的不同材料的熔点比其他材料低 注入熔融金属的不同材料,具有较低熔点的材料是耐磨材料,而具有较高熔点的材料是具有韧性的材料,模具的外部部分被加热,使铸件之间的温度差 并且熔融金属小于500℃,并且通过感应加热方法从模具的外部加热模具少于6分钟。
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公开(公告)号:KR1020010100233A
公开(公告)日:2001-11-14
申请号:KR1020000014310
申请日:2000-03-21
Applicant: 재단법인 포항산업과학연구원
IPC: B23K35/00
Abstract: 본 발명의 목적은 고강도 내열용 스테인리스강의 용접재료로서 가장 적합한 플럭스를 개발함에 있다. 또한 본 발명은 육성 용접용 와이어 스트립 육성에 유용한 플럭스를 제공함에 있다. 또한 본 발명은 중량비로 고강도 내열용 스테인리스강의 용접재료로서 가장 적합한 플럭스를 개발함에 목적이 있다.
이에 본 발명은 CaF
2 45-70% , CaO 2-15% ,SiO
2 3-12% , MgO 0-10% , Al
2 O
3 15-30% , WO
3 (또는 기타 WO2와 같은 텅스텐 산화물) 0.1-5% 및, (Na
2 O+K
2 O+MnO+FeO) 0.5-5.0%로 이루어지는 일렉트로슬래그 용접용 플럭스를 제공한다.-
公开(公告)号:KR100310137B1
公开(公告)日:2001-11-02
申请号:KR1019990018495
申请日:1999-05-21
Applicant: 재단법인 포항산업과학연구원
IPC: B23K35/00
Abstract: 본발명은용접재료로서가장적합한입도범위를갖는플럭스를제조하는방법에관한것으로산화물계화합물, 불화물계화합물, 탄산계화합물, 붕화물계화합물, 그리고질화물계화합물군에서둘 이상의조합으로선택된화합물과바인더그리고물을혼합및 응집시킨후, 이들응집체를체가름하여응집체의크기가 0.3 내지 1.0mm 범위이고이 범위내의입도를갖는응집체가총 입자중량의 90% 이상이되도록한 다음 300-1800C에서소결하여용접용플럭스를제조하는것이다.
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公开(公告)号:KR1020010092231A
公开(公告)日:2001-10-24
申请号:KR1020000014308
申请日:2000-03-21
Applicant: 재단법인 포항산업과학연구원
IPC: B23K31/00
Abstract: PURPOSE: A method for overlay-welding with tungsten/titanium carbide(W,Ti)C-cored wire for the application to various facility parts requiring high wear resistance is provided, which gives much higher wear resistance to matrix alloys than conventional metal-cored wires such as chromium carbide(Cr7C3) when it is welded together with matrix alloy. CONSTITUTION: In this method the tungsten/titanium carbide((W,Ti)C)-cored wire adopted is characterized in that a complex powder comprising C 0-1.0wt.%, Cr 10-80wt.%, Si 0.1-10.0wt.%, Mn 0.1-10, ((W,Ti)C) 3-70wt.%, Fe 0-35wt.% is charged in a mild steel strip. This overlay welding method is performed under conditions of welding voltage 23-28V, welding electric current 280-500A, welding rate 12-22ipm with above tungsten/titanium carbide((W,Ti)C)-cored wire.
Abstract translation: 目的:提供用于钨/碳化钛(W,Ti)C芯线的叠加焊接方法,适用于需要高耐磨性的各种设备部件,这为传统金属芯片提供了更高的基体合金耐磨性 电线如碳化铬(Cr7C3)当与基体合金焊接在一起时。 构成:在该方法中,采用钨/碳化钛((W,Ti)C)线,其特征在于,包含C 0-1.0重量%,Cr 10-80重量%,Si 0.1-10.0重量% %,Mn 0.1-10,((W,Ti)C)3-70重量%,Fe 0-35重量%加入到低碳钢带中。 这种覆盖焊接方法在焊接电压23-28V,焊接电流280-500A,焊接速率12-22ipm与钨/碳化钛((W,Ti)C)线)之间进行。
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公开(公告)号:KR1020010055795A
公开(公告)日:2001-07-04
申请号:KR1019990057105
申请日:1999-12-13
Applicant: 재단법인 포항산업과학연구원
IPC: B23K35/00
Abstract: PURPOSE: A flux for welding an electroslag added with a molybdenium oxide is provided to carry out the electroslag welding work smoothly and improve the characteristics of deposit metals such as stainless steel by adding the molybdenium oxide to the electroslag welding flux since most of the molybdenium is transferred to the deposit metals. CONSTITUTION: A flux for welding an electroslag added with a molybdenium oxide consists of CaF2: 45-70wt%, CaO: 2-15wt%, SiO2: 3-12wt%, Al2O3: 15-30wt%, MoO3 or MoO2: 0.1-5wt% and (Na2O+K2O+MnO+FeO): 0.5-5.0wt%, wherein 90% or more of the whole particles have a grain size in the range of 0.25-1.2mm.
Abstract translation: 目的:提供用于焊接加入氧化钼的电渣的焊剂,以平滑地进行电渣焊接工作,并通过向电渣焊焊剂添加氧化钼来提高不锈钢等沉积金属的特性,因为大多数钼是 转移到存款金属。 构成:用于焊接添加有氧化钼的电渣的焊剂由CaF 2:45-70重量%,CaO:2-15重量%,SiO 2:3-12重量%,Al 2 O 3:15-30重量%,MoO 3或MoO 2:0.1-5重量%组成 %和(Na 2 O + K 2 O + MnO + FeO):0.5-5.0重量%,其中90%以上的整个颗粒的粒径在0.25-1.2mm的范围内。
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公开(公告)号:KR1020000074501A
公开(公告)日:2000-12-15
申请号:KR1019990018495
申请日:1999-05-21
Applicant: 재단법인 포항산업과학연구원
IPC: B23K35/00
Abstract: PURPOSE: A method for manufacturing flux for welding is provided to manufacture flux having the optimum range of particle as a welding material. CONSTITUTION: A method for manufacturing flux for welding includes the steps of mixing and aggregating a binder, water and compound selected by combining two or more of oxide group compound, fluoride group compound, carbonic acid group compound, boride group compound and nitride group compound, classifying the aggregation by particle, and sintering the aggregation having particle degree distribution selected according to the particle classifying step. The size of the aggregation is within the range of 0.3 to 1.0mm and aggregation having particles included within the above range occupies 90percent of total particle weight.
Abstract translation: 目的:制造焊接用焊剂的方法,以制造具有最佳粒子范围的焊剂作为焊接材料。 构成:焊接用焊剂的方法包括:通过将氧化物基团化合物,氟化物基化合物,碳酸基化合物,硼化物基化合物和氮化物化合物中的两种以上组合而选择的粘合剂,水和化合物混合并聚集的步骤, 对颗粒的聚集进行分级,并根据粒子分级步骤烧结具有粒度分布的聚集体。 聚集体的尺寸在0.3至1.0mm的范围内,并且包含在上述范围内的颗粒的聚集占总颗粒重量的90%。
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