Chongqing University

Kui Wang

FuSheng Pan

Jingfeng Wang

Shijie Liu

Yahua Shi

Xuefen Liu

Xiangyun Long

Qinghe Liu

Shiqing Gao

Jing Xin

Xing Peng

Zhihai Hu

Hong Nie

Dadong Li

Xiaodong Gao

Provided are a high-strength magnesium alloy profile, a preparation process therefor and the use thereof, wherein same relate to the technical field of the formation of high-strength magnesium alloys. A strengthening phase of the high-strength magnesium alloy profile in an extrusion state mainly comprises LPSO phase and β phase, wherein the volume fraction of LPSO phase is 1-40%; and the volume fraction of β phase is 1-20%. A strengthening phase of the high-strength magnesium alloy profile in an aging state mainly comprises LPSO phase, β phase, β′ phase and γ′ phase, wherein the volume fraction of LPSO phase is 1-40%; the volume fraction of β phase is 1-20%; the number density of β′ phase is 10-10m, and the length to thickness ratio l/d thereof is 1:20; and the number density of γ′ phase is 10-10mand the length to thickness ratio l/d thereof is 1:50.

High-strength magnesium alloy profile, preparation process therefor and use thereof

Provided are a copper-containing, high-toughness and rapidly degradable magnesium alloy, a preparation method therefor and the use thereof, wherein same relate to the field of materials for oil and gas exploitation. When the magnesium alloy is in an as-cast state, an extrusion state or an aging state, a strengthening phase thereof mainly includes an MgCuRE-type long-period phase and an MgRE phase and an MgCu phase, the MgCuRE-type long-period phase has a volume fraction of 3-60%, the MgRE phase has a volume fraction of 0.5-20%, and the MgCu phase has a volume fraction of 0.5-15%, wherein RE is a rare-earth metal element.

Copper-containing, high-toughness and rapidly degradable magnesium alloy, preparation method therefor and use thereof

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Chongqing, China

Kui Wang