Developement of Radiation Resistance Materials
耐辐射材料的开发
基本信息
- 批准号:60880023
- 负责人:
- 金额:$ 3.07万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Developmental Scientific Research
- 财政年份:1985
- 资助国家:日本
- 起止时间:1985 至 1986
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Some promising applications, such as radiation resistance materials, are forcused on newly appeared materials---amorphous metals. One of possible applications considered is a cladding material on the first wall of fusion reactor which is suffered from heavy irradiations of charged particles, neutron, and gamma ray. The reason why the amorphous metals have a radiation resistance is due to the fact that the amorphous metals with random packing structure of atoms still keep the random packing structure after the irradiation. The work was initiated in the hope that the better understanding of structural stabilities under irradiation will useful in the application of amorphous metals to caldding materials.The amorphous <Pd_(80)> <Si_(20)> alloy was obtained from the liquid state by the roller sqeeze method. The specimens were irradiated with either a 3 MeV <H^+> ion beam from the Van de Graaf accelerator of T.I.T. with total dose of 2.5x <10^(17)> p/ <cm^2> (0.049 dpa) at -150゜C or a 14 MeV fusion neutron from the RTNS-II (Rotating Target Neutron Source) of LLNL in US with total dose of 6.8 <-!+> <10^(17)> n/ <cm^2> at room temperature. The irradiated and unirradiated specimens were analyzed by both the Wide Angle X-ray Scattering (WAXA) method and the Small Angle X-ray Scattering (SAXS) method at room temperature. It is shown that the scattering intensities in wide angle region for irradiated specimen are almost identical to that for unirradiated specimen while the scattering intensities in small angle region for irradiated specimen are larger than that for unirradiated specimen, indicating that the irradiation gives rise to a density fluctuation in the specimen with a characteristic length of about 20 A.
近年来出现的新材料--非晶态金属在抗辐射材料等方面有着广阔的应用前景。考虑的可能应用之一是聚变反应堆的第一壁上的包层材料,其遭受带电粒子、中子和伽马射线的重辐照。非晶态金属具有耐辐射性的原因是由于具有原子的随机堆积结构的非晶态金属在辐射后仍然保持随机堆积结构的事实。本工作的出发点是希望对辐照下结构稳定性的更好理解有助于非晶态金属在热处理材料中的应用。用来自T.I.T.的货车de Graaf加速器的3 MeV <H^+>离子束辐照样品。在-150 ° C下总剂量为2.5 x <10^(17)> p/ <cm ^2>(0.049 dpa),或来自美国LLNL的RTNS-II(旋转靶中子源)的14 MeV聚变中子,总剂量为6.8 <10^(17)> n/ <cm^2>。在室温下,通过广角X射线散射(WAXA)方法和小角X射线散射(SAXS)方法分析辐照和未辐照的试样。结果表明,辐照样品在广角区的散射强度与未辐照样品几乎相同,而在小角区的散射强度大于未辐照样品,表明辐照引起了样品中约20埃特征长度的密度涨落。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Kazutaka KAWAMURA: "Radiation Damage on Amorphous Metals. Part 1. Calculations of Stopping Power and the Profile of Energy Deposition." Progress Report 1984-1985 Nuclear Science Group, Tokyo Institute of Technology. 1. 116-120 (1986)
Kazutaka KAWAMURA:“非晶金属的辐射损伤。第 1 部分。阻止本领和能量沉积曲线的计算。”
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Kazutaka KAWAMURA: Journal of Nuclear Materials. 137. 179-180 (1986)
河村和隆:核材料杂志。
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Kazutaka KAWAMURA: Progress Report 1984-1985 Nuclear Science Group,Tokyo Institute of Technology. 1. 116-120 (1986)
Kazutaka KAWAMURA:东京工业大学核科学组 1984-1985 年进展报告。
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Kazutaka KAWAMURA: "Diffusion Coefficient of Hydrogen Isotopes through Amorphous <Pd_(80)> <Si_(20)> Metal." Journal of Nuclear Materials. 137. 179-180 (1986)
Kazutaka KAWAMURA:“氢同位素通过非晶态 <Pd_(80)> <Si_(20)> 金属的扩散系数。”
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KAWAMURA Kazutaka其他文献
Characteristics of surface morphology and deuterium retention for tungsten after detached plasma exposure
钨脱离等离子体暴露后的表面形貌和氘保留特征
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
KANEKO Arata;HAYASHI Shunsuke;TAKIMOTO Toshikio;TONEGAWA Akira;UCHIDA Helmut Takahiro;MATSUMURA Yoshihito;SATO Khonosuke;KAWAMURA Kazutaka - 通讯作者:
KAWAMURA Kazutaka
Development of Cs-Free Negative-Ion Source by Sheet Plasma
片状等离子体无铯负离子源的研制
- DOI:
10.1585/pfr.15.2401029 - 发表时间:
2020 - 期刊:
- 影响因子:0.8
- 作者:
HANAI Keito;TAKIMOTO Toshikio;KAMINAGA Hiroki;TONEGAWA Akira;SATO Kohnosuke;KAWAMURA Kazutaka - 通讯作者:
KAWAMURA Kazutaka
Experiments of Seismic Repair by Retightening Turnbuckle Brace
重新拧紧螺丝扣支撑抗震修复实验
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
MIYAMATSU Hiroaki;TAKIMOTO Toshikio;TONEGAWA Akira;KAWAMURA Kazutaka;SATO Kohnosuke;Nakada Shotaro - 通讯作者:
Nakada Shotaro
Similarity of behavior between a recombination sheet plasma and aurora-curl
重组片状等离子体和极光卷曲之间行为的相似性
- DOI:
10.2978/jsas.32105 - 发表时间:
2020 - 期刊:
- 影响因子:0
- 作者:
MIYAMATSU Hiroaki;TAKIMOTO Toshikio;TONEGAWA Akira;KAWAMURA Kazutaka;SATO Kohnosuke - 通讯作者:
SATO Kohnosuke
Simultaneous Multi-Point Vibratory Stimulation on Kinesthetic Illusion around The Shoulder Joint
同时多点振动刺激肩关节周围动觉错觉
- DOI:
10.18974/tvrsj.26.2_143 - 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
MIYAMATSU Hiroaki;TAKIMOTO Toshikio;TONEGAWA Akira;KAWAMURA Kazutaka;SATO Kohnosuke;Nakada Shotaro;牛山 奎悟,田中 叡,高橋 哲史,梶本 裕之 - 通讯作者:
牛山 奎悟,田中 叡,高橋 哲史,梶本 裕之
KAWAMURA Kazutaka的其他文献
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{{ truncateString('KAWAMURA Kazutaka', 18)}}的其他基金
Characteristics of free-radical in a magnetized sheet plasma crossed with vertical gas-flow -production and quantitative mesurment-
与垂直气流交叉的磁化片状等离子体中自由基的特性-产生和定量测量-
- 批准号:
08680513 - 财政年份:1996
- 资助金额:
$ 3.07万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Formation of the double layr in tow temperature plasma
低温等离子体中双层的形成
- 批准号:
04680017 - 财政年份:1992
- 资助金额:
$ 3.07万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
ISOTOPE SEPARATION IN SHEET PLASMA
片状等离子体中的同位素分离
- 批准号:
04559009 - 财政年份:1992
- 资助金额:
$ 3.07万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
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Partial Support of Ninth International Conference on Liquid and Amorphous Metals to be held in Chicago, August 27 - September 1, 1995
部分支持将于1995年8月27日至9月1日在芝加哥举行的第九届国际液态和非晶金属会议
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