Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (1): 31-40.DOI: 10.1007/s40195-018-0771-z
Special Issue: 2019年镁合金专辑; 2019年复合材料专辑
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Sabbah Ataya1,2(), Naser A. Alsaleh2, Mohamed M. El-Sayed Seleman1
Received:
2018-03-28
Revised:
2018-05-09
Online:
2019-01-10
Published:
2019-01-18
Contact:
Ataya Sabbah
About author:
Author brief introduction:Dao-Kui Xu Professor of IMR, CAS, and “Young Merit Scholar” of Corrosion Center in the Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS). He achieved Ph.D. degree from IMR, CAS, in 2008, during which he obtained “Chinese Academy of Sciences-BHP Billiton” Scholarship award, “Shi Changxu” Scholarship award and “Zhu-LiYueHua” Excellent Doctorate Student Scholarship of Chinese Academy of Sciences. He worked as a Research Fellow in ARC Center of Excellence, Design of Light Metals, Department of Materials Engineering, Monash University, Australia (2008.10-2011.10). He published more than 60 peer-reviewed scientific papers, attended 20 invited lectures and holds seven patents. His papers were cited more than 1200 times. His research interests mainly include: (1) fatigue behavior and fracture toughness of light metals, such as Mg, Al and Ti alloys; (2) effects of alloying, heat treatment and thermomechanical processes on the microstructural evolution and mechanical improvement of light metals; (3) corrosion, stress corrosion cracking and corrosion fatigue behavior of lightweight alloys; and (4) design of new lightweight alloys with a good balance of properties in terms of mechanical property and corrosion resistance.
Sabbah Ataya, Naser A. Alsaleh, Mohamed M. El-Sayed Seleman. Strength and Wear Behavior of Mg Alloy AE42 Reinforced with Carbon Short Fibers[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(1): 31-40.
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Al | Zn | Mn | Ce | La | Nd | Pr | Th | Mg |
---|---|---|---|---|---|---|---|---|
3.93 | 0.01 | 0.30 | 1.20 | 0.60 | 0.40 | 0.10 | 0.26 | Bal. |
Table 1 Chemical composition (wt%) of magnesium matrix material (AE42)
Al | Zn | Mn | Ce | La | Nd | Pr | Th | Mg |
---|---|---|---|---|---|---|---|---|
3.93 | 0.01 | 0.30 | 1.20 | 0.60 | 0.40 | 0.10 | 0.26 | Bal. |
Nominal composition (wt%) | Density (g/cm3) | Tensile strength (GPa) | Elastic modulus (GPa) | Strain to failure (%) |
---|---|---|---|---|
>?95 C | 1.76 | 2-3.5 | 230-400 | 1.2-1.5 |
Table 2 Nominal chemical composition and physico-mechanical properties of the carbon short fibers [23]
Nominal composition (wt%) | Density (g/cm3) | Tensile strength (GPa) | Elastic modulus (GPa) | Strain to failure (%) |
---|---|---|---|---|
>?95 C | 1.76 | 2-3.5 | 230-400 | 1.2-1.5 |
Material | Theoretical density (g/cm3) | Bulk density (g/cm3) | Relative density (%) | Hardness (HV) |
---|---|---|---|---|
AE42 alloy | 1.80 | 1.69 | 94 | 46.8 |
AE42-23 vol% C | 1.79 | 1.72 | 96 | 91.2 |
Table 3 Density and hardness of Mg alloy AE42 and its composite AE42-C
Material | Theoretical density (g/cm3) | Bulk density (g/cm3) | Relative density (%) | Hardness (HV) |
---|---|---|---|---|
AE42 alloy | 1.80 | 1.69 | 94 | 46.8 |
AE42-23 vol% C | 1.79 | 1.72 | 96 | 91.2 |
Elements (wt%) | Spot 1 | Spot 2 | Spot 3 | Spot 4 | Spot 5 | Spot 6 |
---|---|---|---|---|---|---|
Mg | 100.0 | 64.88 | - | 11.38 | 68.33 | 72.78 |
Al | - | 12.59 | - | - | - | - |
O | - | 22.53 | - | - | 31.67 | 27.22 |
C | - | - | 100.0 | 88.62 | - | - |
Table 4 EDX analysis (wt%) of various spots shown in the micrograph in Fig. 13 for AE42-C under wear load of 4.9 N for sliding distance of 8.9 km
Elements (wt%) | Spot 1 | Spot 2 | Spot 3 | Spot 4 | Spot 5 | Spot 6 |
---|---|---|---|---|---|---|
Mg | 100.0 | 64.88 | - | 11.38 | 68.33 | 72.78 |
Al | - | 12.59 | - | - | - | - |
O | - | 22.53 | - | - | 31.67 | 27.22 |
C | - | - | 100.0 | 88.62 | - | - |
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