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公开(公告)号：KR1020150076460A
公开(公告)日：2015-07-07
申请号：KR1020130164673
申请日：2013-12-26
Applicant: 재단법인 포항산업과학연구원 , 성균관대학교산학협력단
Abstract: 본발명은타이타늄정밀주조용주형및 그제조방법에관한것으로, 본발명의타이타늄정밀주조용주형은산화물분말, 타이타늄분말및 점결제를포함하고, 본발명의타이타늄정밀주조용주형제조방법은타이타늄분말을제공하는단계, 타이타늄분말에산화물분말을혼합하는단계, 타이타늄분말과산화물분말의혼합물에점결제를혼합하는단계, 산화물분말, 타이타늄분말및 점결제를혼합하여슬러리로제조하는단계및 슬러리를소성가공하는단계를포함한다.
Abstract translation: 本发明涉及一种钛精密铸造用模具及其制造方法。 本发明的钛精密铸造用模具包括氧化物粉末，钛粉末和粘合剂。 钛精密铸造用模具的制造方法包括：提供钛粉末的工序; 将钛粉末中的氧化物粉末混合的步骤; 在钛粉末和氧化物粉末的混合物中混合粘合剂的步骤; 将氧化物粉末，钛粉末和粘合剂混合并将混合物制备成浆料的步骤; 以及对浆料进行塑性加工的步骤。
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公开(公告)号：KR1020140087281A
公开(公告)日：2014-07-09
申请号：KR1020120156916
申请日：2012-12-28
Applicant: 재단법인 포항산업과학연구원
Abstract: A mold for investment casting and a method for manufacturing the same are provided. According to an embodiment of the present invention, the method for manufacturing the mold for investment casting includes a step of manufacturing a product model using wax or plastic; a step of dipping a surface of the product model in slurry containing alumina (Al_2O_3) powders and colloidal silica, coating the surface with alumina powders, and drying the surface; a step of forming a mold for a product by forming and drying a backup layer on the product model coated with the alumina powders with salt dissolving in water or alcohol; and a step of removing the product model from the formed mold for a product.
Abstract translation: 提供了一种用于熔模铸造的模具及其制造方法。 根据本发明的实施例，用于制造熔模铸造用模具的方法包括使用蜡或塑料制造产品模型的步骤; 在含有氧化铝（Al_2O_3）粉末和胶体二氧化硅的浆料中浸渍产品模型的表面的步骤，用氧化铝粉末涂覆表面，并干燥表面; 通过在涂覆有氧化铝粉末的产品模型上形成和干燥备用层，形成用于产品的模具的盐的步骤，其中盐溶解在水或醇中; 以及从成形的模具中去除产品模型的步骤。
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公开(公告)号：KR101328099B1
公开(公告)日：2013-11-12
申请号：KR1020110145172
申请日：2011-12-28
Applicant: 재단법인 포항산업과학연구원
Abstract: 주조품 제조 방법은 왁스 패턴을 제조하는 단계, 상기 왁스 패턴에 세라믹을 포함하는 주형층을 코팅하는 단계, 상기 주형층에 금속 산화물을 포함하는 백업층을 코팅하는 단계, 상기 왁스 패턴을 제거하는 단계, 상기 주형층 및 상기 백업층을 환원 분위기에서 열처리하여 주형재를 제조하는 단계, 및 상기 주형재에 금속 용융물을 주입하는 단계를 포함한다.
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公开(公告)号：KR1020130076544A
公开(公告)日：2013-07-08
申请号：KR1020110145172
申请日：2011-12-28
Applicant: 재단법인 포항산업과학연구원
Abstract: PURPOSE: A casting product manufacturing method is provided to facilitate heat radiation of a metal melt which is injected into the inner space of a molding material, thereby preventing the thickness of an interfacial reaction layer from becoming thicker. CONSTITUTION: A casting product manufacturing method comprises the following steps. A mold layer including ceramics is coated on a wax pattern after the wax pattern is made. A backup layer which includes metal oxide is coated on the mold layer. A mold material is manufactured by heat-treating the mold layer and the backup layer in the reducing atmosphere after the wax pattern is removed. A metal melt is injected in the mold material. The metal oxide comprises copper oxide. [Reference numerals] (AA) Start; (BB) End; (S100) Prepare a wax pattern; (S200) Coat a mold layer on the wax pattern; (S300) Coat a backup layer on the mold layer; (S400) Remove the wax pattern; (S500) Manufacture a mold material by heat-treating the mold layer and the backup layer in a reducing atmosphere; (S600) Inject metal melt in the mold material
Abstract translation: 目的：提供一种铸造产品制造方法，以便于注入到模塑材料的内部空间中的金属熔体的热辐射，从而防止界面反应层的厚度变厚。 构成：铸造产品制造方法包括以下步骤。 在形成蜡图案之后，将包含陶瓷的模具层涂覆在蜡图案上。 包括金属氧化物的备用层被涂覆在模具层上。 在除去蜡图案之后，通过在还原气氛中对模具层和支撑层进行热处理来制造模具材料。 将金属熔体注入模具材料中。 金属氧化物包含氧化铜。 （附图标记）（AA）开始; （BB）结束; （S100）准备蜡图; （S200）在蜡图案上涂覆模具层; （S300）在模具层上涂覆备用层; （S400）去除蜡图; （S500）通过在还原气氛中对模具层和支撑层进行热处理来制造模具材料; （S600）在模具材料中注入金属熔体
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Patent Agency Ranking
公开(公告)号：KR101203609B1
公开(公告)日：2012-11-21
申请号：KR1020100041071
申请日：2010-04-30
Applicant: 재단법인 포항산업과학연구원
Abstract: 타이타늄 주물형 주형 및 그 제조방법이 개시된다. 본 발명에 의한 타이타늄 주물용 주형은 TiO
2 산화물계 분말, Al
2 O
3 산화물계 분말 및 점결제를 포함한다. 본 발명에 따른 타이타늄 주물용 주형은 2원계 세라믹을 소성함으로 인하여 생성되는 TiAl, TiO
2 , Al
2 O
3 상의 합성에 의해 계면 반응생성물을 미리 생성함으로써 타이타늄 용탕과 반응이 현저하게 줄임으로써 계면반응층 생성에 의한 표면층의 경화 및 기계적 특성저하를 방지할 수 있으며 주조품의 치수정밀도를 향상시킬 수 있다.-
公开(公告)号：KR1020110121471A
公开(公告)日：2011-11-07
申请号：KR1020100041071
申请日：2010-04-30
Applicant: 재단법인 포항산업과학연구원
Abstract: PURPOSE: A mold for titanium casting and a manufacturing method thereof are provided to prevent mechanical property degradation and surface layer hardening due to interfacial reaction layer creation. CONSTITUTION: A TiO2 oxide system powder is provided. An Al2O3 oxide system powder is mixed with the TiO2 oxide system powder. A binding agent is mixed in a compound of the Al2O3 oxide system powder and TiO2 oxide system powder. A mold for titanium casting includes the TiO2 oxide system powder, Al2O3 oxide system powder, and binding agent. The binding agent is comprised of at least one of colloidal silica, acetate system binding agent, and aqueous solution.
Abstract translation: 目的：提供一种用于钛铸造的模具及其制造方法，用于防止由于界面反应层的产生引起的机械性能降低和表层硬化。 构成：提供二氧化钛氧化物体系粉末。 将氧化铝系粉末与氧化钛系粉末混合。 在Al2O3氧化物系粉末和二氧化钛体系粉末的化合物中混合粘合剂。 用于钛铸造的模具包括TiO 2氧化物系粉末，Al2O3氧化物系粉末和粘合剂。 粘合剂由胶体二氧化硅，乙酸盐体系结合剂和水溶液中的至少一种构成。
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公开(公告)号：KR101077074B1
公开(公告)日：2011-10-26
申请号：KR1020080054705
申请日：2008-06-11
Applicant: 성균관대학교산학협력단
Abstract: 본발명에따르면, 마그네슘의함량증가에따라발생하게되는발화현상을제어하고초음파처리공정을적용함으로써용탕의청정도를향상시킬수 있으며, 용탕의청정도향상과가공및 열처리조건의제어를통하여건전한알루미늄-고함량마그네슘합금판재를제조하고가공경화및 고용강화효과를통해기계적특성및 성형성을향상시킬수 있다.
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公开(公告)号：KR1020090128774A
公开(公告)日：2009-12-16
申请号：KR1020080054705
申请日：2008-06-11
Applicant: 성균관대학교산학협력단
Abstract: PURPOSE: A manufacturing method of an aluminum-high magnesium alloy sheet through the melt quality and phase control is provided to control processing and heat treatment condition and to improve quality of a board. CONSTITUTION: Aluminum is charged in a melting furnace and melted. Magnesium is added in the molten aluminum under the protective gas atmosphere including tetrafluoroethane in order to manufacture alloy. The manufactured melted alloy is casted in a mold. The manufactured alloy is heat-treated and rolled to be an aluminum-high magnesium alloy sheet. The magnesium 6~12 weight% is added in an alloy manufacture step.
Abstract translation: 目的：提供通过熔体质量和相位控制的铝 - 高镁合金板的制造方法，以控制加工和热处理条件并提高板的质量。 规定：铝在熔炉中充电并熔化。 在包含四氟乙烷的保护气体气氛下，在熔融铝中加入镁，以制造合金。 将制成的熔融合金铸造在模具中。 将所制造的合金进行热处理并轧制成铝 - 高镁合金板。 在合金制造步骤中加入6〜12重量％的镁。
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公开(公告)号：KR1020110040104A
公开(公告)日：2011-04-20
申请号：KR1020090097245
申请日：2009-10-13
Applicant: 성균관대학교산학협력단
Abstract: PURPOSE: An alpha case interfacial reaction controlling mold for casting titanium alloy and a method for manufacturing the same are provided to effectively control an alpha case which is an interfacial reactant generated in a titanium alloy casting process. CONSTITUTION: A mold for casting titanium alloy includes ZrO_2, Ti_xZr, Ti_xCa, and TiO_2 which are obtained by mixing and sintering CaO stabilized ZrO_2 powder and titanium powder. The 0.3 to 50 weight% of CaO stabilized ZrO_2 powder and 0.3 to 50 weight% of titanium powder are mixed. The mixed powder is formed into a slurry shape in order to form a mold in a desired shape. The slurry shaped mixed powder is formed into the mold.
Abstract translation: 目的：提供用于铸造钛合金的α壳界面反应控制模及其制造方法，以有效地控制作为在钛合金铸造工艺中产生的界面反应物的α情况。 构成：用于铸造钛合金的模具包括通过混合和烧结CaO稳定的ZrO 2粉末和钛粉末而获得的ZrO_2，Ti_xZr，Ti_xCa和TiO_2。 混合0.3〜50重量％的CaO稳定的ZrO_2粉末和0.3〜50重量％的钛粉末。 混合粉末形成浆料形状以形成所需形状的模具。 将浆状混合粉末形成模具。
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