Study on corrosion behaviour of AZ91 alloys at different aging time

机译：AZ91合金在不同老化时间的腐蚀行为研究

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The current work presents the corrosion behavior of AZ91 magnesium alloys in 0.01M NaCl. 2 different aging time samples were used in this study. It is found that sample with 2 hrs aging time shows a better corrosion resistance as compared to the 4 hrs aging time. It is also showing a significant small amount of hydrogen evolution reaction (HER) during the hydrogen gas collection examination. XRD indicates a few p- MgnAlia phase formed at 4 hrs aged samples. This is suggested that the formation of p phase in the alloy were accelerating the corrosion rate due to the galvanic corrosion mechanism.

机译：目前的工作介绍了AZ91镁合金在0.01M NaCl中的腐蚀行为。在本研究中使用了2种不同的老化时间样品。发现具有2小时老化时间的样品显示出与4小时老化时间相比的更好的耐腐蚀性。在氢气收集检查期间还显示出显着的少量氢气进化反应（她）。 XRD表示在4小时老化样品中形成的少数p-mgNalia阶段。这表明该合金中P阶段的形成正在加速由于电抗腐蚀机制引起的腐蚀速率。

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《International Conference on Innovative Research》|2019年|453 p.|共6页
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S H Salleh; N H A Zaidi; S S C Abdullah;
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中图分类工程材料学;
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Study on corrosion behaviour of AZ91 alloys at different aging time

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