XRD PEAK BROADENING EFFECTS IN U-Mo α″ PHASE

机译：U-Moα″相的XRD峰扩张效应

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The U-Mo system has been extensively studied due to its use in the past as a nuclear fuel. Thisrnsystem has several metastable phases, depending on the Mo content and the cooling rate afterrnsolution treatment at high temperature. One of these phases α″ is characterized by its highrnstrength and ductility. X-ray diffraction of mechanically polished specimens of U-Mo exhibitsrnbroadened lines associated with the surface grinding. Broadened diffraction lines are unfavorablernfor structural analysis. Yet, the broadening effect indicates a valuable information about thernmicrostructure. It was found that the broadening effect is sensitive to the cooling rate and thatrnthe broadening as a function of the cooling rate has an opposite trend for mechanically andrnelectrolytically polished. The presentation of this phenomenon together with its implications isrngiven in this work.

机译：由于过去将U-Mo系统用作核燃料，因此对其进行了广泛的研究。该系统具有几个亚稳态相，具体取决于Mo含量和高温固溶后的冷却速率。这些相α”之一是其高强度和延展性。 U-Mo机械抛光试样的X射线衍射显示出与表面研磨有关的增宽线。较宽的衍射线不利于结构分析。然而，扩大效应表明有关微观结构的有价值的信息。已经发现，展宽效果对冷却速率敏感，并且展宽作为冷却速率的函数对于机械和电解电解抛光具有相反的趋势。在这项工作中给出了这种现象的表述及其含义。

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《Advances in X-ray analysis (ICDD2001)》|2001年|p.146-151|共6页
会议地点 Steamboat Springs CO(US);Steamboat Springs CO(US);Steamboat Springs CO(US)
作者
E. Dabush; J. Sariel; I. Dahan; G. Kimmel;
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作者单位

Nuclear Research Center, Negev, P.O. Box 9001, Beer-Sheva, 84190 Israel;

Nuclear Research Center, Negev, P.O. Box 9001, Beer-Sheva, 84190 Israel;

Nuclear Research Center, Negev, P.O. Box 9001, Beer-Sheva, 84190 Israel;

Nuclear Research Center, Negev, P.O. Box 9001, Beer-Sheva, 84190 Israel;

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正文语种 eng
中图分类 X射线、紫外线、红外线;
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XRD PEAK BROADENING EFFECTS IN U-Mo α″ PHASE

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