Table 3 Tabulated data of intermetallic volume fraction, actual yield, and theoretical improvement from cast pure Al of all tested specimens of samples printing using Al-Ti64 feedstock

From: Tunable TiAl3-reinforced aluminum matrix composites via in-situ reactive printing: insights from operando synchrotron analysis and microstructural characterization

Sample ID

Intermetallic Vol. Fraction

Actual Yielda (MPa)

Grain Sizeb (µm)

Hall-Petch Strengthening

Load Transfer Strengthening

Theoretical Strengtheningc

Actual Strengthening

Cast pure Ald

N/A

52.68

1000–1100

   

0%

4a2

14.03%

71.63

10.79

36.25%

11.98%

48.23%

35.97%

8b2

29.22%

106.03

8.63

41.03%

24.95%

65.98%

101.27%

  1. aActual yield calculated using 0.2% offset yield approximation.
  2. bGrain size range of cast pure Al (cooling rate 1.0–3.5 K/s) extracted from literature30,31.
  3. cTheoretical strengthening calculated as addition of Hall-Petch strengthening and load transfer strengthening.
  4. dCast pure Al stress strain curve digitized from literature29 as reference for calculation of actual strengthening level.
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