Advances in Materials Science and Engineering / 2018 / Article / Tab 5

Research Article

Mechanical Performance of Zr-Containing 354-Type Al-Si-Cu-Mg Cast Alloy: Role of Additions and Heat Treatment

Table 5

Variation in average UTS, YS, % El, Qc, and Q values of the alloys studied in as-cast, SHT, and T5- and T6-treated conditions obtained at ambient temperature.

AlloyConditionUTS (MPa)YS (MPa)Total strain (%)Plastic strain (%)E (GPa)nKqQc (Equation (2))Q (Equation (1))Difference (QQc) (MPa)

M1SAs-cast260.86194.391.581.1662.660.18580.560.07277.88290.5012.62
SHT300.34202.516.225.7462.500.17579.260.34512.36419.43−92.93
T5289.50258.750.940.4863.060.13591.690.04217.06285.4368.38
T6341.95324.991.10750.5662.450.10576.910.06281.53348.6067.07

M2SAs-cast320.35235.851.631.1667.580.19763.780.06342.14352.1910.05
SHT327.74212.613.202.7066.230.17759.320.16531.09403.43−127.66
T5299.97277.190.800.3465.640.15701.960.02167.10285.22118.12
T6362.33351.570.800.2464.710.11707.790.02196.04348.16152.12

M3SAs-cast325.78245.721.761.2664.730.15648.890.08354.71362.557.84
SHT334.75209.433.813.3064.470.12646.470.27549.26421.97−127.29
T5314.58279.390.980.4964.140.13634.490.04238.21313.1074.89
T6357.01355.140.750.2064.320.08624.210.02192.02338.50146.48

M4SAs-cast304.40224.611.330.8766.100.20836.770.04293.64322.8729.23
SHT312.32207.092.221.7566.560.18821.350.10469.59364.27−105.32
T5276.44254.140.710.3168.430.20857.070.0299.28254.51155.24
T6315.98315.980.57050.1167.100.10634.740.0177.52279.41201.89

M5SAs-cast297.07226.591.270.8366.910.20792.010.04273.91312.8038.89
SHT299.79206.641.991.5467.350.17780.350.09437.14344.62−92.52
T5284.61277.000.660.2264.740.15722.110.0197.20257.45160.25
T6314.04314.040.560.1167.890.11677.640.0145.43276.32230.89

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