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首页> 外文期刊>Transactions of Nonferrous Metals Society of China >Structural transformation and its reversibility in liquid Al-13/100 Si alloy at high temperatures
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Structural transformation and its reversibility in liquid Al-13/100 Si alloy at high temperatures

机译:液态Al-13 / 100 Si合金在高温下的结构转变及其可逆性

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摘要

Using high temperature X-ray diffraction analysis, the liquid structures of Al-13/100 Si alloy at 625~1250 deg.C on heating and those at 675 deg. C after overheating of various temperatures were presented. It is shown that the atomic density and coordination number of the melt increased slightly at first, then decreased greatly at 775~875 deg. C. The liquid structure of the melt at 675 deg. C and the morphology of the solidified alloy had no obvious change after overheating at various temperatures. These results indicated that structural trans- formation happens in liquid Al-13/00 Si and it is reversible.
机译:采用高温X射线衍射分析,发现Al-13 / 100 Si合金在625〜1250℃加热时的液态结构和675℃加热时的液态结构。给出了各种温度下的过热后的C。结果表明,熔体的原子密度和配位数首先增加,然后在775〜875度时大大降低。熔体在675度的液体结构。在各种温度下过热后,C和凝固合金的形态没有明显变化。这些结果表明,结构转变发生在液态Al-13 / 00 Si中,并且是可逆的。

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