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氚鈦靶的存儲(chǔ)時(shí)間對(duì)D-T中子發(fā)生器靶損傷特性的影響
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西南科技大學(xué) 國(guó)防科技學(xué)院,西南科技大學(xué) 國(guó)防科技學(xué)院,西南科技大學(xué) 國(guó)防科技學(xué)院,西南科技大學(xué) 國(guó)防科技學(xué)院,中國(guó)工程物理研究院化工材料研究所,中國(guó)工程物理研究院 核物理與化學(xué)研究所

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國(guó)家自然科學(xué)基金資助(項(xiàng)目號(hào)11505145,11205136,61505169); 西南科技大學(xué)校博士基金資助(項(xiàng)目編號(hào)14zx7166)


Influence of the storage time of tritium titanium target on its damage characteristics in a D-T neutron generator
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School of National Defence Science and Technology,Southwest University of Science and Technology,School of National Defence Science and Technology,Southwest University of Science and Technology,School of National Defence Science and Technology,Southwest University of Science and Technology,School of National Defence Science and Technology,Southwest University of Science and Technology,Institute of Chemical Mateirals, China Academy of Engineering Physics,

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    摘要:

    氚鈦靶是D-T中子發(fā)生器的重要元部件,氚鈦靶在存儲(chǔ)過(guò)程中存在著內(nèi)部氚衰變并積累氦的過(guò)程,氦泡的形成將對(duì)氚鈦膜的穩(wěn)定性產(chǎn)生重要影響,因此研究存儲(chǔ)數(shù)年的氚鈦靶的輻照損傷效應(yīng)對(duì)了解氚鈦靶的有效使用壽命有重要意義。選擇采用掃描電鏡、掃描電鏡能譜分析和 X射線衍射對(duì)氚鈦靶表層進(jìn)行檢測(cè)發(fā)現(xiàn)：束流輻照以后氚鈦靶表層元素主要為Mo和少量的Ti,表面不存在任何氚化物的物相結(jié)構(gòu)。結(jié)論表明：氚鈦靶在長(zhǎng)達(dá)12年的存儲(chǔ)時(shí)間內(nèi),表層氚化鈦有效層存在大量脫落的現(xiàn)象。

    Abstract:

    Tritium titanium target is an important assembly used in a D-T type neutron generator, and the problem is the coexistence of the decayed helium and hydrogen isotope is inevitable in tritium-contained materials, and the stability of the tritium titanium target is influenced by the inner evolution of helium bubbles. It is therefore of essence to study the effect of ion irradiations on the lifetime of tritium titanium targets with a long storage time in a neutron generator. Both surface morphologies, surface element types and surface phase structures were measured for the original or irradiated tritide targets. Results reflected that Mo and Ti were the main elements remained on the irradiated surface, and hardly any trace of Ti or TiTx could be detected on the surface. It finally arrived that after a storage time of nearly 12 years, the main part of the tritide film were striped by inner evolved helium bubbles.

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劉洋,楊濤,王旋,吳鳳娟,劉際偉,王博宇.氚鈦靶的存儲(chǔ)時(shí)間對(duì)D-T中子發(fā)生器靶損傷特性的影響[J].稀有金屬材料與工程,2017,46(6):1731~1733.[Liu Yang, Yang Tao, Wang Xuan, Wu Fengjuan, Liu Jiwei, Wang Boyu. Influence of the storage time of tritium titanium target on its damage characteristics in a D-T neutron generator[J]. Rare Metal Materials and Engineering,2017,46(6):1731~1733.]
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  • 收稿日期:2016-02-26
  • 最后修改日期:2016-04-08
  • 錄用日期:2016-04-27
  • 在線發(fā)布日期: 2017-11-07
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