Impact Performance of ZnAl27Cu2.5MgMn Alloy from Room Temperature to 250°C

Ming Long Kang; Wu Hu; Jian Min Zeng

doi:10.4028/www.scientific.net/AMR.915-916.597

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Impact Performance of ZnAl27Cu2.5MgMn Alloy from Room Temperature to 250°C

Abstract:

The impact performance of ZnAl27Cu2.5MgMn alloy from room Temperature to 2500 °C has been investigated by pendulum impact testing. The surface morphology of impact fracture is observed by scan electron microscope (SEM). The results indicate that impact energy of the alloy decreases as the temperature increases when the temperatures are lower than 100°C. Between 100°C and 200°C, impact energy increases as the temperature increases. And when the temperature exceeds 250°C, impact energy decreases dramatically. Impact energy gets to the maximum at room temperature. Impact behavior of the alloy can be evaluated by the width of impact spectrum curve. The wider the peak of impact spectrum curve, the higher the impact toughness. Whereas impact toughness is worse if peak is narrow.

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Periodical:

Advanced Materials Research (Volumes 915-916)

Pages:

597-601

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.915-916.597

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Online since:

April 2014

Authors:

Ming Long Kang, Wu Hu, Jian Min Zeng*

Keywords:

Fracture Morphology, Impact Property, Zinc-Aluminum Alloy

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* - Corresponding Author

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