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Quantitative investigation of influence of Al 2 O 3 non-metallic inclusions on bending strength of powder metallurgy highspeed steel

The types, dimensions and quantities of inclusions have been examined to quantitatively investigate their influence on the bending strength and impact toughness of HIPed high-speed steel. MgSiO3 inclusion was found to be less harmful than Al 2 O 3 inclusion in terms of mechanical properties. Additio...

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Bibliographic Details
Published in:Journal of physics. Conference series 2022-02, Vol.2200 (1), p.12025
Main Authors: Hu, Qipeng, Chen, Yunbo, Wang, Miaohui, Ge, Xueyuan, Liu, Hengsan, Zuo, Lingli, Zhang, Dongyue
Format: Article
Language:English
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Summary:The types, dimensions and quantities of inclusions have been examined to quantitatively investigate their influence on the bending strength and impact toughness of HIPed high-speed steel. MgSiO3 inclusion was found to be less harmful than Al 2 O 3 inclusion in terms of mechanical properties. Additionally, the inclusion of Al 2 O 3 of 0-20 μm under 0.02 vol.% showed a slight influence on the bending strength of certain HSS.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2200/1/012025