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The Design, Construction, and Testing of a Knudsen Effusion Mass Spectrometric System Suitable for Studies of Nuclear Fuel Materials

机译:适用于核燃料材料研究的Knudsen扩散质谱系统的设计,构建和测试

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摘要

Benefiting hugely from many years of experience of conducting vaporization studies with a commercially bought magnetic sector instrument (VG Micromass 30 BK), we designed and constructed a KEMS system having a quadrupole mass spectrometer. It essentially consisted of two chambers, one housing the Knudsen cell furnace assembly and the other housing the QMS with an indigenously designed and fabricated vacuum-isolation valve between these two chambers. The QMS initially used was from Extrel, but later that from Hiden was installed. Systematic vaporization experiments were undertaken on iron, nickel, chromium, zirconium, a Fe-Al alloy, MnO, uranium, and a U-Zr alloy. Electron bombardment heating was employed and the temperatures were measured by sighting the optical pyrometer onto a blackbody hole drilled at the bottom of the Knudsen cell. The results on the elements and the Fe-Al alloy were satisfactory while those on MnO, U, and U-Zr alloy were disconcerting but interesting and educative.
机译:得益于多年使用商业购买的磁性扇区仪器(VG Micromass 30 BK)进行汽化研究的经验,我们设计并构建了具有四极质谱仪的KEMS系统。它主要由两个腔室组成,一个腔室容纳Knudsen电池炉组件,另一个腔室容纳QMS,在这两个腔室之间具有本地设计和制造的真空隔离阀。最初使用的QMS来自Extrel,但后来安装了Hiden的QMS。在铁,镍,铬,锆,Fe-Al合金,MnO,铀和U-Zr合金上进行了系统汽化实验。使用电子轰击加热,通过将光学高温计对准在Knudsen池底部钻的黑体孔上来测量温度。元素和Fe-Al合金的结果令人满意,而MnO,U和U-Zr合金的结果令人不安,但有趣且具有教育意义。

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  • 会议地点 Julich(DE)
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    Fuel Chemistry Division, Chemistry Group, Indira Gandhi Centre for Atomic Research,Kalpakkam, Tamil Nadu 603102, India;

    Fuel Chemistry Division, Chemistry Group, Indira Gandhi Centre for Atomic Research,Kalpakkam, Tamil Nadu 603102, India;

    Fuel Chemistry Division, Chemistry Group, Indira Gandhi Centre for Atomic Research,Kalpakkam, Tamil Nadu 603102, India;

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