• Journal of Inorganic Materials
  • Vol. 35, Issue 1, 46 (2020)
Dan-Dan WANG1, Wu-Bian TIAN1、*, Jian-Xiang DING2, Ai-Bin MA3, Pei-Gen ZHANG1, Wei HE1, and Zheng-Ming SUN1、*
Author Affiliations
  • 1School of Materials Science and Engineering, Southeast University, Nanjing 211189, China
  • 2School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan 243002, China
  • 3College of Mechanics and Materials, Hohai University, Nanjing 210098, China
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    DOI: 10.15541/jim20190242 Cite this Article
    Dan-Dan WANG, Wu-Bian TIAN, Jian-Xiang DING, Ai-Bin MA, Pei-Gen ZHANG, Wei HE, Zheng-Ming SUN. Ag/Ti3AlC2 Composites Prepared by Equal Channel Angular Pressing Followed by Heat Treatment[J]. Journal of Inorganic Materials, 2020, 35(1): 46 Copy Citation Text show less
    Schematic diagram of ECAP process
    1. Schematic diagram of ECAP process
    SEM images of raw materials
    2. SEM images of raw materials
    XRD patterns of ECAPed Ag/Ti3AlC2 samples without and with heat treatment at 400, 600, 700, 800 ℃
    3. XRD patterns of ECAPed Ag/Ti3AlC2 samples without and with heat treatment at 400, 600, 700, 800 ℃
    Microstructure of the ECAPed Ag/Ti3AlC2 sample
    4. Microstructure of the ECAPed Ag/Ti3AlC2 sample
    Aspect ratio distributions of Ti3AlC2 particles
    5. Aspect ratio distributions of Ti3AlC2 particles
    SEM images of the ECAPed Ag/Ti3AlC2 heat-treated at different temperatures
    6. SEM images of the ECAPed Ag/Ti3AlC2 heat-treated at different temperatures
    Relative density of the ECAPed Ag/Ti3AlC2 samples
    7. Relative density of the ECAPed Ag/Ti3AlC2 samples
    Resistivity of the ECAPed Ag/Ti3AlC2 samples tested parallel to and perpendicular to the alignment of Ti3AlC2 particles
    8. Resistivity of the ECAPed Ag/Ti3AlC2 samples tested parallel to and perpendicular to the alignment of Ti3AlC2 particles
    Vickers hardness of the ECAPed Ag/Ti3AlC2 samples
    9. Vickers hardness of the ECAPed Ag/Ti3AlC2 samples
    Compressive stress-strain curves of the ECAPed Ag/Ti3AlC2 samples tested parallel and perpendicular to the alignment of Ti3AlC2 particles
    10. Compressive stress-strain curves of the ECAPed Ag/Ti3AlC2 samples tested parallel and perpendicular to the alignment of Ti3AlC2 particles
    Heat treatmentLoaded // alignmentLoaded ^ alignment
    σM/MPaεM/%σM /MPaεM/%
    N/A287.523.9336.929.2
    600 ℃366.128.9400.029.8
    800 ℃519.237.9784.052.8
    Table 1. The maximum compressive strength and strain of the ECAPed Ag/Ti3AlC2 compacts
    Ag/MAXPreparation methodRelative density/%Resistivity/(×10-9, Ω·m)Vickers hardness/HVMaximum compressive strength and strainRef.
    Ag/Ti3AlC2ECAPed at 37 MPa +800 ℃, 2 h(97.8±0.8)(65.1±1)(//alignment)(78.5±1)(⊥alignment)(79±5)519 MPa, 37.9%(loaded // alignment)784 MPa, 52.8%(loaded ^ alignment)This work
    Ag/Ti3AlC2Compacted at 800 MPa+800 ℃, 2 h(96.0±0.4)(60.6±1)(95±5)(446±15) MPa, (32.9±2.8)%[6]
    Ag/Ti3AlC2Compacted at 800 MPa+800 ℃, 2 h +ECAPed at 37 MPa(99.8±0.2)(59.3±1)(//alignment)(70.2±1)(⊥alignment)(132±5)(656±17) MPa, (30.3±2.7)%(loaded // alignment)(805±19) MPa, (43.8±2.2)%(loaded ^ alignment)[6]
    Ag/Ti3SiC2Compacted at 800 MPa+950 ℃, 1 h(95.0)(27.6±0.2)(56)N/A[7]
    Ag/Ti2AlCCompacted at 800 MPa+800 ℃, 2 h(95.7)(79.5)(88)N/A[10]
    Ag/Ti2SnCCompacted at 800 MPa+800 ℃, 2 h(95.0)(118.3)(75)N/A[9]
    Table 2. Basic physical propery of Ag/10wt% MAX composites
    Dan-Dan WANG, Wu-Bian TIAN, Jian-Xiang DING, Ai-Bin MA, Pei-Gen ZHANG, Wei HE, Zheng-Ming SUN. Ag/Ti3AlC2 Composites Prepared by Equal Channel Angular Pressing Followed by Heat Treatment[J]. Journal of Inorganic Materials, 2020, 35(1): 46
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