KR840003902A - 가연성 중성자 흡수체의 제조방법 - Google Patents

가연성 중성자 흡수체의 제조방법 Download PDF

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KR840003902A
KR840003902A KR1019830000792A KR830000792A KR840003902A KR 840003902 A KR840003902 A KR 840003902A KR 1019830000792 A KR1019830000792 A KR 1019830000792A KR 830000792 A KR830000792 A KR 830000792A KR 840003902 A KR840003902 A KR 840003902A
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South Korea
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neutron absorber
powder
particles
combustible
slurry
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KR1019830000792A
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KR910009192B1 (ko
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씨이. 라드포드(외 1) 케네드
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이. 더불유. 듀보이
웨스팅 하우스 일렉트릭 코오포레이숀
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/24—Selection of substances for use as neutron-absorbing material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
    • G21C21/18—Manufacture of control elements covered by group G21C7/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)

Abstract

내용 없음

Description

가연성 중성자 흡수체의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 가연성 중성자 흡수체 세라믹 펠릿을 제조하는 방법의 플로우 차아트.

Claims (8)

  1. 원자로의 가연성 독물봉에 사용하기 위한 가연성 중성자 흡수체를 제조하는 방법에 있어서, Al2O3와 ZrO2로 구성되는 하나 또는 그 이상의 등급을 포함한 내화성 물질 분말의 슬러리를 생성하고;상기 슬러리에 결합제를 첨가하여; 결합제를 포함한 알루미늄 옥사이드의 덩어리로된 입자의 분말을 제조하기 위해 상기 슬러리를 건조하며; 상기 분말의 혼합물을 형성하기 위해 보론, 가돌리늄, 사마륨, 유로듐, 하프늄, 드스프로슘 그리고 인듐등의 하나 또는 그 이상의 원소나 화합물로 구성되는 중성자 흡수체 물질의 분말과 상기 분말을 혼합하며; 그리인 바디를 형성하기 위해 혼합물에 등방압력을 가하고; 소결된 바디를 형성하기 위해 상기 그리인 바디를 소결하고; 상기 소결된 바디를 적절한 형태와 크리를 갖는 중성자 흡수체로 제조하는 것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  2. 제1항에서, 슬러리에 있는 알루미늄 옥사이드 분말의 평균 크기는 10∼20마이크론이며 중성자 흡수체 물질의 분말이 평균크기는 5∼15마이크론인 것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  3. 제1항 또는 제2항에서, 슬러리는 분사건조되어 평균직경이 30∼50마이크론인 구형의 알루미늄 옥사이드를 제조하는 것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  4. 제1항, 2항 또는 23항에서, 분말의 혼합물에 있는 중성자 흡수체 물질은 보론카아바이드(B4C)이며 혼합물에서 B4C함유량의 중량 퍼센트는 1∼50인것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  5. 제2항, 3항 또는 4항에서, 그리인 바디는 대략 대기압과 1400℃∼1800℃의 온도로 대기의 아르곤내에서 소결되는 것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  6. 제3항, 4항 또는 5항에서, 결합제는 강력 결합체인 것을 특징으로 하는 가연성 중성자 흡수체의 제조방법.
  7. 원자로의 가연성 독물봉에 사용하기 위한 가연성 중성자 흡수체 바디에 있어서, 상기 바디는 Al2O3의 기공 매트릭스로 형성되며, 상기 매트릭스는 B4C입자를 가진 기공에 병치되어 있는 Al2O3의 고밀도 다결정 입자를 포함하는 것을 특징으로 하는 가연성 중성자 흡수체바디.
  8. 제7항에서, 기공은 실제로 Al2O3입자를 포위하며, 상기 포위한 기공은 부분적으로 또는 전체적으로 B4C입자들을 포함하는 것을 특징으로 하는 가연성 중성자 흡수체바디.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830000792A 1982-02-26 1983-02-26 가연성 중성자 흡수체의 제조방법 Expired KR910009192B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US352731 1982-02-26
US352,731 1982-02-26
US06/352,731 US4566989A (en) 1982-02-26 1982-02-26 Burnable neutron absorbers

Publications (2)

Publication Number Publication Date
KR840003902A true KR840003902A (ko) 1984-10-04
KR910009192B1 KR910009192B1 (ko) 1991-11-04

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KR1019830000792A Expired KR910009192B1 (ko) 1982-02-26 1983-02-26 가연성 중성자 흡수체의 제조방법

Country Status (10)

Country Link
US (1) US4566989A (ko)
EP (1) EP0087926B1 (ko)
JP (1) JPS58161970A (ko)
KR (1) KR910009192B1 (ko)
BE (1) BE896034A (ko)
CA (1) CA1188502A (ko)
DE (1) DE3376909D1 (ko)
ES (1) ES520139A0 (ko)
FR (1) FR2522434B1 (ko)
ZA (1) ZA83621B (ko)

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KR100812952B1 (ko) * 2006-08-28 2008-03-11 한국원자력연구원 지르코니아가 첨가된 중성자 흡수 소결체 및 이의 제조방법
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CN108863442A (zh) * 2018-06-13 2018-11-23 南京航空航天大学 一种中子屏蔽复合材料及其制备方法
CN111153712A (zh) * 2019-12-31 2020-05-15 南京即衡科技发展有限公司 一种多孔陶瓷互穿网络中子屏蔽复合材料及其制备方法
CN113698193A (zh) * 2020-05-20 2021-11-26 中国科学院上海硅酸盐研究所 一种耐腐蚀铝酸盐中子吸收材料及其制备方法
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Also Published As

Publication number Publication date
EP0087926B1 (en) 1988-06-01
ES8405548A1 (es) 1984-06-01
KR910009192B1 (ko) 1991-11-04
FR2522434B1 (fr) 1989-01-20
US4566989A (en) 1986-01-28
JPS58161970A (ja) 1983-09-26
CA1188502A (en) 1985-06-11
EP0087926A2 (en) 1983-09-07
DE3376909D1 (en) 1988-07-07
FR2522434A1 (fr) 1983-09-02
BE896034A (fr) 1983-08-25
JPH0156399B2 (ko) 1989-11-29
ES520139A0 (es) 1984-06-01
EP0087926A3 (en) 1985-05-15
ZA83621B (en) 1983-12-28

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