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首页> 外文期刊>Annual Review of Materials Science >In situ studies of the properties of materials under high-pressure and temperature conditions using multi-anvil apparatus and synchrotron X-rays
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In situ studies of the properties of materials under high-pressure and temperature conditions using multi-anvil apparatus and synchrotron X-rays

机译：使用多砧装置和同步加速器X射线对材料在高压和高温条件下的特性进行原位研究

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Increased caccess to multi-anvil high-pressure devices interfaced to synchrotron X- ray radiation sources has led to a new class of experiments. These new capabilities include (a) high-precision crystal structure determination and refinement from ]powder X-ray diffraction data; (b) the determination of kinetic parameters and structure from time-resolved diffraction data; (c) the determination of absolute pressure by the combined use of ultrasonic techniques at high pressures and temperatures with simultaneous monitoring of X-ray diffraction; and (d) the determination of the strength and rheological properties of materials through thd monitoring of the relaxation of broadened diffraction peak widths in the pre- sence of a well-characterized deviatoric stress field generated in the multi-anvil high-pressure apparatus.
机译：与同步加速器X射线辐射源连接的多砧高压设备的可及性增加，导致了新一类的实验。这些新功能包括：（a）从粉末X射线衍射数据确定和精炼晶体结构； （b）根据时间分辨衍射数据确定动力学参数和结构； （c）结合使用高压和高温下的超声技术并同时监测X射线衍射来确定绝对压力； （d）在多砧高压装置中产生的特征明确的偏应力场的情况下，通过监测加宽的衍射峰宽度的弛豫来确定材料的强度和流变性能。

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