Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 732, Issue -, Pages 1-5Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2018.06.100
Keywords
Magnesium alloy; Slope extrusion; Texture; Mechanical properties
Categories
Funding
- National Natural Science Foundation of China [51531002, 51474043]
- National Key Research and Development Program of China [2016YFB0301104, 2016YFB0101700]
- Chongqing Science and Technology Commission [cstc2014jcyjjq0041, cstc2014jcyjjq50002, cstc2015zdcy-ztzx50003, cstc2015yykfc5001]
- Education Commission of Chongqing Municipality [KJZH14101]
- Chongqing Scientific & Technological Talents Program [KJXX2017002]
- Fundamental Research Funds the Central Universities [106112016CDJZR138801]
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A novel extrusion process, namely, slope extrusion (SE), was proposed to produce Mg-3Al-1Zn alloy sheet, thereby tailoring the strong basal texture of conventional extruded (CE) sheet. The grain morphology and texture were examined, and the tensile tests were performed along 0, 45, and 90 with extrusion direction. Moreover, the finite element simulation was performed to have a better understanding on the extrusion processes. An elongated weak double-peak texture titled from extrusion direction to transverse direction about 48 was obtained for the SE sheet and meanwhile the two peaks titled away from normal direction by 35. Therefore, the SE sheet showed lower yield strength and higher ductility compared with CE sheet. Especially, in terms of the transverse direction specimen of the SE sheet, the ductility reached 27.3%, which was considered as an excellent value for the wrought AZ31 sheet.
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