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公开(公告)号：KR101405364B1
公开(公告)日：2014-06-11
申请号：KR1020130025017
申请日：2013-03-08
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a method for manufacturing a manganese-silicon-based thermoelectric material having an outstanding performance with a low cost by hot forming aluminum-doped high-manganese-silicon-based powder, formed by a solid state reaction, in a vacuum state. The method of the present invention comprises the steps of: mixing Mn powder, Si powder, and Al powder; synthesizing aluminum-doped high-manganese-silicon-based powder via a solid state reaction of the mixed powder; and sintering the synthesized aluminum-doped high-manganese-silicon-based powder by hot forming.
Abstract translation: 本发明涉及一种通过在真空中通过固态反应形成的通过热成型铝掺杂的高锰硅粉末热成型而具有优异性能的低成本的锰 - 硅系热电材料的制造方法 州。 本发明的方法包括以下步骤：将Mn粉末，Si粉末和Al粉末混合; 通过混合粉末的固态反应合成掺铝高锰硅粉末; 并通过热成型烧结合成的掺铝高锰硅粉末。
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公开(公告)号：KR101343319B1
公开(公告)日：2013-12-20
申请号：KR1020120054298
申请日：2012-05-22
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은마그네슘합금고용체열전재료를제조하는방법에관한것으로, MgSiSn(0
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公开(公告)号：KR1020100028909A
公开(公告)日：2010-03-15
申请号：KR1020080087859
申请日：2008-09-05
Applicant: 삼성전자주식회사 , 한국교통대학교산학협력단
CPC classification number: H01L35/16 , C01B19/007 , C01P2004/80 , C01P2006/40
Abstract: PURPOSE: A bulk thermoelectric material and a thermoelectric device comprising the same are provided to improve performance of a thermal conduction material in a bulk by applying a metal oxide particle to a thermal conduction material matrix. CONSTITUTION: A thermal conduction material comprises a crystalline thermal conduction material matrix and a metal oxide particle. The crystalline thermal conduction material matrix is formed on a bulk. The metal oxide particle is independently introduced inside the crystal boundary or the crystalline structure of the thermal conduction material matrix. A covalent force between the oxygen atom and the metal atom is bigger than that of atoms within the crystalline structure of the thermal conduction material matrix.
Abstract translation: 目的：提供一种体热电材料和包含该热电材料的热电装置，以通过将金属氧化物颗粒施加到导热材料基体来改善本体中导热材料的性能。 构成：导热材料包括结晶导热材料基体和金属氧化物颗粒。 晶体导热材料基体是大量形成的。 金属氧化物颗粒独立地引入结晶边界或导热材料基体的晶体结构内。 氧原子和金属原子之间的共价力大于导热材料基体的晶体结构内的原子。
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公开(公告)号：KR100677894B1
公开(公告)日：2007-02-05
申请号：KR1020050078360
申请日：2005-08-25
Applicant: 한국교통대학교산학협력단
Abstract: A process of fabricating a cobalt triantimonide(CoSb3) based thermoelectric material with Nb doping is provided to produce the material with improved thermoelectric properties including electric conductivity, thermoelectric factor and seeback coefficient by doping niobium to CoSb3 thermoelectric material and heat treating the doped material through annealing process. The process includes the steps of: preparing Co, Sb and Nb as starting materials in state of elements; forming Co(1-x)NbxSb3 wherein x ranges from 0.01 to 0.02 by mixing all of the starting materials and induction melting the mixture under Ar atmosphere; and annealing the molten material at 400deg.C to accomplish phase homogeneity and phase alteration thereof. By the suitable heat treatment after doping Nb element on CoSb3 thermoelectric material, the CoSb3 based thermoelectric material is produced with remarkably improved seeback coefficient, electric conductivity and thermoelectric factor.
Abstract translation: 提供了一种制造具有Nb掺杂的三锑基钴（CoSb 3）基热电材料的工艺，以通过将铌掺杂到CoSb 3热电材料并通过退火对掺杂材料进行热处理来生产具有改进的热电性质的材料，包括导电性，热电因子和返回系数 处理。 该方法包括以下步骤：以元素状态制备Co，Sb和Nb作为原料; 通过混合所有起始材料并在Ar气氛下感应熔融混合物，形成Co（1-x）Nb x Sb 3，其中x为0.01-0.02; 并在400℃下对熔融材料进行退火以实现其相位均匀性和相变。 通过在CoSb3热电材料上掺杂Nb元素后进行适当的热处理，制备了CoSb3基热电材料，其回归系数，导电率和热电因子显着提高。
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35.发明授权Ｆｅ가 도핑된 스커테루다이트계 고효율 열전소재 및 그제조방법 失效高效率掺ED ITE ITE ITE ITE ITE ITE IC IC AME AME AME AME AME AME AME AME AME AME AME
公开(公告)号：KR100663975B1
公开(公告)日：2007-01-02
申请号：KR1020050098378
申请日：2005-10-19
Applicant: 한국교통대학교산학협력단
Abstract: A skutterudite-based thermoelectric material doped with Fe and a manufacturing method thereof are provided to manufacture a skutterudite alloy of CoSb3 having little micro crack through a simple process. Powders of Fe, Co, and Sb are prepared to obtain a composition of FexCo(4-x)Sb12, and then the powders are mixed. The mixed powders are subjected to a mechanical alloy process under an inert atmosphere. The powders subjected to the mechanical alloy process are subjected to a hot rolling and compression molding process. The mechanical alloy process is performed by an attritor.
Abstract translation: 提供掺杂Fe的方钴矿基热电材料及其制造方法，通过简单的工艺制造具有微小裂纹的CoSb3的方钴矿合金。 制备Fe，Co和Sb的粉末以获得FexCo（4-x）Sb12的组成，然后将粉末混合。 混合粉末在惰性气氛下进行机械合金处理。 对经过机械合金处理的粉末进行热轧和压缩加工。 机械合金工艺由磨碎机进行。
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Patent Agency Ranking
公开(公告)号：KR1020010018176A
公开(公告)日：2001-03-05
申请号：KR1019990034005
申请日：1999-08-17
Applicant: 한국교통대학교산학협력단
IPC: B22D18/04
CPC classification number: B22D18/02 , B22D21/007
Abstract: PURPOSE: A method for manufacturing an alloy for squeeze casting is provided to improve castability by pressurizing effect during squeeze casting, and improve tensile strength by pressurizing and rapidly cooling effects due to squeeze casting. CONSTITUTION: A method for manufacturing an alloy for squeeze casting comprises the processes of choosing an alloy in which 1 to 7 wt.% of Fe is contained and AC4C alloy as starting alloys, melting the alloys at a temperature of 850 to 900 deg.C in an electric resistance furnace, gravity casting and squeeze casting the melted alloys with melt which is multi-gas treated within the range of 0.2 melt weight, manufacturing a sample in a bar shape having a size of 5 mm (diameter) x 10 cm (length) using a vertically pressurized type squeeze casting press (1) in the squeeze casting, wherein 750 deg.C of a temperature of the melt is maintained as an injection temperature, preheating a mold (4) at a temperature of 200 to 250 deg.C so that inner surface of the mold (4) and a punch (2) are coated with an oil based graphite releasing agent, and presetting a pressurizing pressure of 50 to 100 MPa, a pressurizing time of 60 sec, and a pressurizing rate of 20 mm/sec after injecting the melt.
Abstract translation: 目的：提供一种制造用于挤压铸造的合金的方法，以通过挤压铸造期间的加压效果来提高铸造性，并且通过挤压加压和快速冷却效果来提高拉伸强度。 构成：制造用于挤压铸造的合金的方法包括选择含有1至7重量％的Fe的合金和AC4C合金作为起始合金的方法，在850至900℃的温度下熔化合金 在电阻炉中，重力铸造并熔融熔融的熔融合金，该熔融合金在0.2熔体重量的范围内进行多气体处理，制造尺寸为5mm（直径）×10cm的棒状样品（ 长度），在挤压铸造中使用垂直加压型挤压铸造压力机（1），其中将熔体的温度保持750℃作为注射温度，在200至250℃的温度下预热模具（4） 使得模具（4）的内表面和冲头（2）涂覆有油基石墨脱模剂，并且预设加压压力为50至100MPa，加压时间为60秒，加压速率 注射熔体后为20mm / sec。
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公开(公告)号：KR1020170078355A
公开(公告)日：2017-07-07
申请号：KR1020150188794
申请日：2015-12-29
Applicant: 한국교통대학교산학협력단
Abstract: 본발명은스커테루다이트계열전재료및 그제조방법에관한것이다. 보다상세하게는본 발명은스커테루다이트계열전재료에있어서, 공극에 Pr, Nd, Yb 에서선택된원소중 적어도하나이상의원소로충진되고, 이를전하보상하기위하여 Fe 자리에일부 Co를포함하는것을특징으로하는 p형스커테루다이트계열전재료및 그제조방법에관한것이다.
Abstract translation: 基于方钴矿的前体材料及其制造方法技术领域本发明涉及一种基于方钴矿的前体材料及其制造方法。 为了更具体地包括一些共同成Fe座椅在材料周围系列本发明木槿特鲁埃尔模具位，它填充有元件的至少一个元件与镨，钕，Yb中到间隙中，为了补偿电荷 本发明涉及一种p型方钴矿基前体材料及其制造方法。
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公开(公告)号：KR101470197B1
公开(公告)日：2014-12-05
申请号：KR1020130088701
申请日：2013-07-26
Applicant: 주식회사 제펠 , 한국교통대학교산학협력단
Abstract: Bi
2 Te
2
.85 Se
0
.15 의 캐리어 농도의 최적화와 함께 출력인자와 성능지수의 향상을 이루어 열전특성이 개선된 Bi-Te-Se계 고용체로 이루어진 열전 재료를 제시한다. 그 열전 재료는 Bi
2 Te
2
.85 Se
0
.15 :D
m (D= I, Cu, Ag, m= 0보다 크고 0.03 미만)의 화학양론적 조성으로, D가 Bi
2 Te
2
.85 Se
0
.15 에 도핑된 Bi-Te-Se계 고용체로 이루어진다.Abstract translation: 公开了一种包含Bi-Te-Se系固溶体的热电材料，其优化Bi_2Te_2.85Se_0.15的载流子浓度，同时通过提高输出系数和性能指标来提高热电性能。 热电材料具有Bi_2Te_2.85S_e0.15：Dm（D = I，Cu，Ag，m大于0且小于0.03）的化学计量组成，并且包括其中D为的Bi-Te-Se基固溶体 掺杂Bi_2Te_2.85S_e0.15。
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公开(公告)号：KR1020140019086A
公开(公告)日：2014-02-14
申请号：KR1020120082260
申请日：2012-07-27
Applicant: 한국교통대학교산학협력단
Abstract: The present invention relates to a method for manufacturing a high manganese silicide-based thermoelectric material having excellent performance with low costs by hot pressing high manganese silicide powder, formed by planetary ball milling, in a vacuum state, the method comprising: a first step of mixing manganese powder and silicon powder according to the composition of MnSi1.75-x(0
Abstract translation: 本发明涉及一种在真空状态下通过行星式球磨制成的通过热压高硅化锰粉末而具有优异性能，低成本的高硅锰化物热电材料的方法，该方法包括：第一步骤 根据MnSi1.75-x（0≤x≤0.03）的组成混合锰粉和硅粉末; 通过行星式球磨制造高锰硅电力的第二步; 以及在真空状态下热压高硅锰化物粉末进行烧结的第三步骤。 通过行星式球磨形成的高锰硅粉末在真空状态下热压制造高锰硅化物热电材料，从而降低制造成本。 与现有技术相比，本发明的制造方法便宜，同时需要工艺条件的优化，本发明可以提供最佳的工艺条件。
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公开(公告)号：KR101339880B1
公开(公告)日：2013-12-10
申请号：KR1020110112137
申请日：2011-10-31
Applicant: 한국교통대학교산학협력단
IPC: C22C1/04
Abstract: 열전 특성이 우수한 고효율 열전 재료 및 그 제조방법을 제공한다. 이를 위하여, 원료물질인 Zr, Ni, Sn, Sb 분말을 혼합하여 혼합 분말을 제조하는 단계; 상기 혼합 분말을 기계적 합금화 처리하는 단계; 및 진공 핫 프레스 공정을 수행하는 단계를 포함하여 ZrNiSn
1
-x Sb
x (0
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