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Porosity and Mechanical Properties of Squeeze Cast and Permanent Mold Cast Wrought Mg Alloy AZ31
Wrought magnesium alloy AZ31 withWrought magnesium alloy AZ31 a thick section of 20 mm was prepared by squeeze castingSqueeze Casting (SC) and permanent steel mold castingPermanent Steel Mold Casting (PSMC). The yield strength (YS), ultimate yield strength (UTS), elongation (ef), and strain-hardening rate of the cast AZ31 specimens were evaluated by tensile testing. The measured engineering stress versus strain curves showed that the SC AZ31 alloyAZ31 alloy exhibited 62 MPa in YS, 194 MPa in UTS, and 13.8% in ef, while the YS, UTS, and ef of the PSMC AZ31 specimen were only 58, 173 MPa, and 9.9%. The results of the tensile testing evidently showed that the YS, UTS, and ef of the SC AZ31 alloy were 7, 12, and 39% higher than those of the PSMC counterpart. The calculated resilience and tensile toughness indicated that the SC AZ31 was more capable of resisting energy loads in elastic deformation and had an ability to absorb energy during plastic deformationPlastic deformation without fracture than that of the PSMCPermanent Steel Mold Casting AZ31. Also, the analyses of the true stress versus strain curves revealed that, upon the onset of plastic deformationPlastic deformation, the strain-hardening rate of the SC AZ31 sample was 10,000 MPa, which was 25% higher than that (8000 MPa) of the PSMC AZ31 specimen. The obtained mechanical propertiesMechanical Properties showcased the fit of the casting process to wroughtCast/wrought processingmagnesiumMagnesiumAZ31 alloyAZ31 alloy, which was squeeze castingSqueeze Casting. The porosityPorosity measurements of the SCSqueeze Castingand PSMCPermanent Steel Mold Casting showed that the SC AZ31 had a porosity of 1.13%, which was the 57% lower than that (2.66%) of the PSMC AZ31 counterpart. The low porosity level of the SC AZ31 alloy should be somewhat responsible for its high mechanical propertiesMechanical Properties.
Porosity and Mechanical Properties of Squeeze Cast and Permanent Mold Cast Wrought Mg Alloy AZ31
Wrought magnesium alloy AZ31 withWrought magnesium alloy AZ31 a thick section of 20 mm was prepared by squeeze castingSqueeze Casting (SC) and permanent steel mold castingPermanent Steel Mold Casting (PSMC). The yield strength (YS), ultimate yield strength (UTS), elongation (ef), and strain-hardening rate of the cast AZ31 specimens were evaluated by tensile testing. The measured engineering stress versus strain curves showed that the SC AZ31 alloyAZ31 alloy exhibited 62 MPa in YS, 194 MPa in UTS, and 13.8% in ef, while the YS, UTS, and ef of the PSMC AZ31 specimen were only 58, 173 MPa, and 9.9%. The results of the tensile testing evidently showed that the YS, UTS, and ef of the SC AZ31 alloy were 7, 12, and 39% higher than those of the PSMC counterpart. The calculated resilience and tensile toughness indicated that the SC AZ31 was more capable of resisting energy loads in elastic deformation and had an ability to absorb energy during plastic deformationPlastic deformation without fracture than that of the PSMCPermanent Steel Mold Casting AZ31. Also, the analyses of the true stress versus strain curves revealed that, upon the onset of plastic deformationPlastic deformation, the strain-hardening rate of the SC AZ31 sample was 10,000 MPa, which was 25% higher than that (8000 MPa) of the PSMC AZ31 specimen. The obtained mechanical propertiesMechanical Properties showcased the fit of the casting process to wroughtCast/wrought processingmagnesiumMagnesiumAZ31 alloyAZ31 alloy, which was squeeze castingSqueeze Casting. The porosityPorosity measurements of the SCSqueeze Castingand PSMCPermanent Steel Mold Casting showed that the SC AZ31 had a porosity of 1.13%, which was the 57% lower than that (2.66%) of the PSMC AZ31 counterpart. The low porosity level of the SC AZ31 alloy should be somewhat responsible for its high mechanical propertiesMechanical Properties.
Porosity and Mechanical Properties of Squeeze Cast and Permanent Mold Cast Wrought Mg Alloy AZ31
The Minerals, Metals & Materials Series
Leonard, Aeriel (editor) / Barela, Steven (editor) / Neelameggham, Neale R. (editor) / Miller, Victoria M. (editor) / Tolnai, Domonkos (editor) / Dhaif, A. (author) / Shen, W. (author) / Hu, H. (author)
TMS Annual Meeting & Exhibition ; 2024 ; Orlando, FL, USA
2024-02-03
6 pages
Article/Chapter (Book)
Electronic Resource
English
Squeeze casting , Wrought magnesium alloy AZ31 , Permanent steel mold casting , Mechanical properties , Porosity Engineering , Building Materials , Structural Materials , Aerospace Technology and Astronautics , Mechanical Engineering , Industrial and Production Engineering , Chemistry and Materials Science
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