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Acoustic analysis of the amorphous phase of annealed Zr_(55)Cu _(30)Ni_5Al_(10) glassy alloy, using diffracted SH ultrasonic waves

机译:使用衍射SH超声对退火Zr_(55)Cu _(30)Ni_5Al_(10)玻璃态合金的非晶态进行声学分析

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摘要

The propagation characteristics of a shear horizontally polarized SH wave, (which proceeds horizontally with respect to free surfaces in isotropic materials) passing through an annealed Zr_(55)Cu_(30)Ni _5Al_(10) glassy alloy were investigated in terms of the acoustic determination of phases during annealing. The received wave patterns distinguished two phases; a nanocrystalline and an amorphous phase. The amorphous phase was composed of three kinds of structural colonies, 0.24, 0.59 and 0.72 mm in size. The ordering of the amorphous phase is related to increase in wave velocity, damping ratio, phase degree and wavelength, accompanied by frequency conversion. Thus, the acoustic analysis method using diffracted SH ultrasonic waves can act a useful probe for determining the amorphous phase of glassy alloys, and is more precise than the X-ray diffraction method.
机译:根据声波,研究了水平剪切极化SH波(相对于各向同性材料中的自由表面水平传播)通过退火的Zr_(55)Cu_(30)Ni_5Al_(10)玻璃态合金的传播特性。确定退火过程中的相。接收到的波型区分了两个阶段。纳米晶和非晶相。非晶相由三种结构菌落组成,大小分别为0.24、0.59和0.72 mm。非晶相的有序性与波速,阻尼比,相度和波长的增加有关,并伴有频率转换。因此,使用衍射SH超声波的声学分析方法可以用作确定玻璃态合金的非晶相的有用探针,并且比X射线衍射方法更精确。

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