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    • 72. 发明公开
    • 사고조건 하의 원자로 내에서 우수한 내산화성을 나타내는 핵연료 피복관용 지르코늄 합금 조성물, 이를 이용하여 제조한 지르코늄 합금 핵연료 피복관 및 이의 제조방법
    • 在反应堆事故条件下具有超级氧化电阻的核燃料层的ZIRCONIUM合金,使用其制备的ZIRCONIUM合金核燃料层及其制备方法
    • KR1020130098618A
    • 2013-09-05
    • KR1020120020271
    • 2012-02-28
    • 한국원자력연구원한국수력원자력 주식회사
    • 박정용김현길최병권박상윤정양일박동준구양현
    • C22C16/00G21C3/07
    • G21C3/07C22C16/00C22F1/186G21C21/10Y02E30/40
    • PURPOSE: Zirconium alloys for nuclear fuel claddings and zirconium alloy nuclear fuel claddings manufactured by using thereof and a method of manufacturing thereof are provided to secure an excellent oxidation resistance of a nuclear fuel cladding not only under an accident condition but also in a normal operation condition of a nuclear reactor. CONSTITUTION: Zirconium alloys for nuclear fuel claddings comprise 1.0-1.2 weight% of niobium (Nb), elements which is more than one kind selected from a group consisting of tin (Sn), iron (Fe), and chrome (Cr), 0.02-0.1 weight% of copper (Cu), 0.1-0.15 weight% of oxygen (O), 0.008-0.012 weight% of silicon (Si), and remainders of zirconium (Zr). A composition selected among 0.1-0.3 weight% of tin (Sn), and 0.3-0.8 weight% of iron (Fe), and 0.1-0.3 weight% of chrome (Cr) is included. The Zirconium alloys comprise 1.1 weight% of niobium (Nb), two kinds of elements selected from a group consisting of tin (Sn), iron (Fe), and chrome (Cr), 0.05 weight% of copper (Cu), 0.12 weight% of oxygen (O), 0.01 weight% of silicon (Si), and remainders of zirconium (Zr). A composition selected among 0.2 weight% of tin (Sn), and 0.5 weight% of iron (Fe), and 0.1-0.2 weight% of chrome (Cr) is included. [Reference numerals] (AA) Amount of weight increase (mg/dm^2); (BB) 1200 °C 1800 seconds; (CC) Example 1; (DD) Example 4; (EE) Example 6; (FF) Comparative example 2
    • 目的:提供用于核燃料包层的锆合金和使用其制造的锆合金核燃料包层及其制造方法,以确保不仅在事故条件下而且在正常操作条件下核燃料包覆的优异的抗氧化性 的核反应堆。 构成:用于核燃料包层的锆合金包含铌(Nb)的1.0-1.2重量%,选自由锡(Sn),铁(Fe)和铬(Cr)组成的组中的一种以上的元素,0.02 -0.1重量%的铜(Cu),0.1-0.15重量%的氧(O),0.008-0.012重量%的硅(Si)和余量的锆(Zr)。 包括选自0.1-0.3重量%的锡(Sn)和0.3-0.8重量%的铁(Fe)和0.1-0.3重量%的铬(Cr)的组合物。 锆合金包括1.1重量%的铌(Nb),选自锡(Sn),铁(Fe)和铬(Cr),0.05重量%的铜(Cu),0.12重量的两种元素 氧(O)%,硅(Si)0.01重量%,锆(Zr)余量。 包括选自锡(Sn)0.2重量%和铁(Fe)0.5重量%和铬(Cr)0.1-0.2重量%的组合物。 (AA)重量增加量(mg / dm ^ 2); (BB)1200℃1800秒; (CC)实施例1; (DD)实施例4 (EE)实施例6; (FF)比较例2
    • 75. 发明公开
    • 우수한 내식성 및 고강도를 가지는 지르코늄합금의 제조방법
    • 具有优异耐腐蚀性和高强度的ZIRCONIUM合金制造方法
    • KR1020120102969A
    • 2012-09-19
    • KR1020110020921
    • 2011-03-09
    • 한국원자력연구원한국수력원자력 주식회사
    • 김현길박상윤정용환최병권박동준정양일박정용
    • C22F1/18B21J5/00B21K1/00
    • C22F1/186B21J5/00C22C16/00G21C21/00
    • PURPOSE: A method for preparing zirconium alloy is provided to obtain superior corrosion resistance and high strength by reducing the average size of precipitation and using the pinning effect of fine precipitation. CONSTITUTION: A method for preparing zirconium alloy comprises the steps of: melting a zirconium alloy composition and making ingot(S100), forging the ingot in a B-phase region(S200), performing solution treatment of the ingot in a B-phase region and quenching the solution(S300), hot working the B-quenched ingot(S400), performing first vacuum heat treatment of the semi-product, cooling the semi-product below 100 °C, and then performing second vacuum heat treatment of the semi-product(S500), cold working the semi-product(S600), performing first vacuum heat treatment of the semi-product, cooling the semi-product below 100 °C, and then performing second vacuum heat treatment of the semi-product(S700), cold working the semi-product(S800), and performing the final heat treatment of the semi-product(S900). [Reference numerals] (S100) Ingot making step(step 1); (S200) Β-forging step(step 2); (S300) Β-quenching step(step 3); (S400) Hot working step(step 4); (S500) First and second heat treatment step(step 5); (S600) Cold working step(step 6); (S700) First and second heat treatment step(step 7); (S800) Cold working step(step 8); (S900) Final heat treatment step(step 9)
    • 目的:提供一种制备锆合金的方法,通过降低沉淀的平均尺寸和使用精细沉淀的钉扎效应,获得优异的耐腐蚀性和高强度。 构成:制备锆合金的方法包括以下步骤:将锆合金组合物熔化并制成锭(S100),在B相区域锻造锭(S200),在B相区域中进行锭的固溶处理 并淬火溶液(S300),对B淬火锭进行热加工(S400),对半成品进行第一次真空热处理,将半成品冷却至100℃以下,然后进行第二次真空热处理 - 产品(S500),冷加工半成品(S600),对半成品进行第一次真空热处理,冷却半成品低于100℃,然后对半成品进行第二次真空热处理( S700),冷加工半成品(S800),进行半成品(S900)的最终热处理。 (附图标记)(S100)锭制造步骤(步骤1); (S200)Β锻造步骤(步骤2); (S300)Β淬火步骤(步骤3); (S400)热加工步骤(步骤4); (S500)第一和第二热处理步骤(步骤5); (S600)冷加工工序(工序6)。 (S700)第一和第二热处理步骤(步骤7); (S800)冷加工步骤(步骤8); (S900)最终热处理工序(工序9)
    • 78. 发明公开
    • 다양한 산소화합물 및 석출상의 제어를 통한 우수한내식성을 갖는 지르코늄 합금 조성물 및 이의 제조방법
    • 通过各种金属氧化物和降解剂的控制具有优异的耐腐蚀性的锆合金组合物及其制备方法
    • KR1020090093483A
    • 2009-09-02
    • KR1020080019028
    • 2008-02-29
    • 한국원자력연구원
    • 김현길정용환최병권박상윤이명호박정용김준환
    • C22C16/00
    • C22C16/00
    • A zirconium alloying composition and a manufacturing method of the same are provided to have the excellent corrosion resistance by controlling the size of the deposition phase of the zircaloy. A zirconium alloying composition manufacturing method comprises followings. The mixture of the zirconium alloy composition element is dissolved and the ingot is manufactured. The manufactured ingot is forged in a beta domain. The forged ingot is cooled quickly after the solution treatment post-baking in the beta domain. The cooled ingot is heat-processed and extruded. The initial annealing is performed about the extruded intermediate product. The cold processing and middle heat treatment are repeated about the heat-treated intermediate product with the several occasions. The heat-treatment is performed at 560~650 °C for 15~40 minutes. The initial annealing is performed at 550~650 °C for 1~5 hours. The final heat-treatment is performed at 450~580°C for 2~10 hours.
    • 通过控制锆石的沉积相的尺寸,提供锆合金组合物及其制造方法以具有优异的耐腐蚀性。 锆合金组合物的制造方法如下。 溶解锆合金组成元素的混合物,制造锭。 制造的锭在beta域中锻造。 在β结构域后烘烤后的溶液处理后,锻造的铸锭被快速冷却。 冷却的锭子经过热处理和挤压。 对挤出的中间产物进行初始退火。 多次对热处理的中间产品进行冷加工和中间热处理。 热处理在560〜650℃进行15〜40分钟。 初始退火在550〜650℃下进行1〜5小时。 最终热处理在450〜580℃进行2〜10小时。
    • 79. 发明公开
    • 우수한 내식성을 갖는 고농도 철 함유 지르코늄 합금 조성물 및 이의 제조방법
    • 具有优异耐腐蚀性的高含量的ZIRCONIUM合金组合物及其制备方法
    • KR1020080084909A
    • 2008-09-22
    • KR1020080085103
    • 2008-08-29
    • 한국원자력연구원한국수력원자력 주식회사
    • 정용환김현길박상윤이명호최병권백종혁박정용김준환
    • C22C16/00
    • C22C16/00C22C2202/00C22F1/186
    • A high concentration Fe-contained zirconium alloy composition comprising Zr, Fe, Cr, O and Sn having excellent corrosion resistance and a manufacturing method thereof are provided, wherein the high concentration Fe-contained zirconium alloy composition can be used as material of nuclear fuel cladding tubes, spacer grids, and structures used in higher burnup and longer cycle operation. A high concentration Fe-contained zirconium alloy composition having excellent corrosion resistance comprises: 0.5 to 1.0% by weight of iron; 0.25 to 0.5% by weight of chromium; 0.06 to 0.18% by weight of oxygen; 0.2 to 0.5% by weight of tin; and the balance of zirconium. The zirconium alloy composition comprises: 0.54 to 0.8% by weight of iron; 0.27 to 0.40% by weight of chromium; 0.1 to 0.15% by weight of oxygen; 0.2 to 0.5% by weight of tin; and the balance of zirconium. The zirconium alloy composition comprises 0.1 to 0.3% by weight of niobium.
    • 提供了包含具有优异耐腐蚀性的Zr,Fe,Cr,O和Sn的高浓度含铁锆合金组合物及其制造方法,其中高浓度Fe含量的锆合金组合物可用作核燃料包覆材料 管,隔离栅和用于较高燃耗和较长循环运行的结构。 具有优异耐腐蚀性的高浓度含铁锆合金组合物包括:0.5-1.0重量%的铁; 0.25〜0.5重量%的铬; 0.06〜0.18重量%的氧气; 0.2〜0.5重量%的锡; 和锆的平衡。 锆合金组合物包含:0.54至0.8重量%的铁; 0.27〜0.40重量%的铬; 0.1〜0.15重量%的氧气; 0.2〜0.5重量%的锡; 和锆的平衡。 锆合金组合物含有0.1〜0.3重量%的铌。
    • 80. 发明公开
    • 우수한 내식성을 갖는 고농도 철 함유 지르코늄 합금조성물 및 이의 제조방법
    • 具有优异耐腐蚀性的高含量的ZIRCONIUM合金组合物及其制备方法
    • KR1020080074568A
    • 2008-08-13
    • KR1020070013871
    • 2007-02-09
    • 한국원자력연구원한국수력원자력 주식회사
    • 정용환김현길박상윤이명호최병권백종혁박정용김준환
    • C22C16/00C21D8/00
    • G21C3/07Y02E30/40
    • A high Fe contained zirconium alloy composition having excellent corrosion resistance and a manufacturing method thereof are provided to manufacture a zirconium alloy composition through repeat cold working and middle heat treatment processes so as to use the zirconium alloy composition as a nuclear fuel coating pipe, a support lattice, and a material for a structure. A high Fe contained zirconium alloy composition having excellent corrosion resistance contains at least one element selected from a group having 0.05 to 1.0 weight% of iron, 0.25 to 0.5 weight% of chrome, 0.06 to 0.18 weight% of oxygen, 0.2 to 0.5 weight% of tin, 0.1 to 0.3 weight% of niobium, and 0.05 to 0.3 weight% of copper, and the remaining zirconium. Ingot is forged in a beta area. The ingot is processed in the beta area by solution heat and quenched. The quenched ingot is extruded. An extruded body is heat-treated first. A zirconium alloy composition is manufactured by repeat cold working and middle heat treatment processes. The zirconium alloy composition is heat-treated last.
    • 提供具有优异耐腐蚀性的高Fe含量的锆合金组合物及其制造方法,以通过重复冷加工和中间热处理工艺制造锆合金组合物,以便使用锆合金组合物作为核燃料涂覆管, 晶格和结构材料。 具有优异耐腐蚀性的高含铁锆合金组合物含有至少一种选自铁,0.05至1.0重量%,0.25至0.5重量%的铬,0.06至0.18重量%的氧,0.2至0.5重量% 的锡,0.1〜0.3重量%的铌和0.05〜0.3重量%的铜,以及剩余的锆。 锭在β区被伪造。 该锭在β区域通过溶解热处理并淬火。 淬火锭被挤出。 首先对挤压体进行热处理。 通过重复冷加工和中间热处理工艺制造锆合金组合物。 最后对锆合金组合物进行热处理。