Effect of La/Nd ratio on microstructure and tensile properties of AZ91-RE alloys

CUI, Peng-xing; HU, Mao-liang; JI, Ze-sheng; WANG, Ye; GUO, Yu; XU, Hong-yu

doi:10.1016/s1003-6326(24)66483-6

Transactions of Nonferrous Metals Society of China

2024

DOI: 10.1016/s1003-6326(24)66483-6

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Effect of La/Nd ratio on microstructure and tensile properties of AZ91-RE alloys

Peng-xing CUI,

Mao-liang HU,

Ze-sheng JI

et al.

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2024

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Cited by 3 publications

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Interfacial bonding mechanism of graphene nanoplatelets reinforced AZ91D magnesium alloy prepared by semi-solid injection molding

Jing,

Chen,

et al. 2024

Journal of Alloys and Compounds

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Interfacial bonding mechanism of graphene nanoplatelets reinforced AZ91D magnesium alloy prepared by semi-solid injection molding

Jing,

Chen,

et al. 2024

Journal of Alloys and Compounds

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Microstructural evolution mechanism and mechanical properties of La and Gd on AZ91 alloy: Experiments and first-principles calculations

Zhang,

Hu,

Wang

et al. 2024

Journal of Alloys and Compounds

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Evaluation of the Microstructure and Properties of As-Cast Magnesium Alloys with 9% Al and 9% Zn Additions

Tuz,

Novák,

Tatíček

2024

Materials

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The need to reduce energy consumption means that it is necessary to reduce the weight of vehicles. However, a thick wall of massive elements promotes the formation of casting defects, which must be removed by either plastic processing (straightening) or welding methods (surface and internal discontinuities). Basic alloys contain Al and Zn as the main alloying elements. The studies involved an evaluation of the microstructure and properties of alloys at ambient and elevated temperatures. The microstructure observation revealed a dendritic structure with the presence of low-melting eutectic, and intermetallic and Laves phases in the interdendritic areas. The presence of these phases may pose significant limitations during welding work. Thermal conductivity coefficient measurements showed that it is constant at temperatures up to 200 °C and is 49 W/mK for 9% Al and 77 W/mK for 9% Zn. The tensile test reveal that the most favorable tensile strength (120 MPa) occurs at temperatures of 150 °C for the 9% Zn alloy and at 180 °C for the 9% Al alloy.

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Effect of La/Nd ratio on microstructure and tensile properties of AZ91-RE alloys

Cited by 3 publications

References 40 publications

Interfacial bonding mechanism of graphene nanoplatelets reinforced AZ91D magnesium alloy prepared by semi-solid injection molding

Interfacial bonding mechanism of graphene nanoplatelets reinforced AZ91D magnesium alloy prepared by semi-solid injection molding

Microstructural evolution mechanism and mechanical properties of La and Gd on AZ91 alloy: Experiments and first-principles calculations

Evaluation of the Microstructure and Properties of As-Cast Magnesium Alloys with 9% Al and 9% Zn Additions

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