Al–H system

14 accepted literature values from 1 paper(s) (experimental 13, model 1); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (6) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence classValues
experimental13
model1
Accepted values by property group
Property groupValues
mixing / partial14

Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Assessments with a calculated phase diagram
TDB fileAssessmentSHA-256Links
AlH-04Qiu.tdbC. Qiu, G.B. Olson, S.M. Opalka, D.L. Anton, J. Phase Equilib. Diffus., 25, 520-27(2004). doi:10.1361/15477020421043cafc133e72167e9d6e3798d9b03129c2d3ec789f69ce3d6948649bf9e85ad256viewer · TDB · JSON
Calculated three-phase invariants (model, mole fraction of the second component)
TDB fileT (K)Phases at the invariant
AlH-04Qiu.tdb933.47FCC_A1 (x(H) 0) + LIQUID (x(H) 0) + GAS (x(H) 1)
AlH-04Qiu.tdb933.46FCC_A1 (x(H) 0) + LIQUID (x(H) 2.000e-5) + GAS (x(H) 1)
AlH-04Qiu.tdb933.46FCC_A1 (x(H) 0) + LIQUID (x(H) 2.000e-5) + GAS (x(H) 1)
AlH-04Qiu.tdb933.46FCC_A1 (x(H) 0) + LIQUID (x(H) 2.000e-5) + GAS (x(H) 1)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Other properties

Mixing / partial (14)

Mixing / partial, Al–H system
PropertyValueT (K)Phases / compositionClassSourceLocationQuote
Partial enthalpy
printed: ΔH
63.18 kJ/mol (basis unstated)fcc Al
alloy: H 0
experimental[1] Qiu 2004
cites Eichenauer 1968
Table 1, p. 2, row 5
report
Partial enthalpy
printed: ΔH
96.49 kJ/mol (basis unstated)fcc Al
alloy: H 0
experimental[1] Qiu 2004
cites Hashimoto 1983
Table 1, p. 2, row 7
report
Partial enthalpy
printed: ΔH
58.24 kJ/mol (basis unstated)fcc Al
alloy: H 0
experimental[1] Qiu 2004
cites Eichenauer 1961
Table 1, p. 2, row 3
report
Partial enthalpy
printed: ΔH
39.82 kJ/mol (basis unstated)fcc Al
alloy: H 0
experimental[1] Qiu 2004
cites Ransley 1948
Table 1, p. 2, row 1
report
Partial enthalpy
printed: ΔH
63.94 kJ/mol (basis unstated)fcc Al
alloy: H 0
experimental[1] Qiu 2004
cites Ichimura 1979
Table 1, p. 2, row 6
report
Partial enthalpy
printed: ΔH
51.94 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Grigorenko 1967
Table 1, p. 2, row 4
report
Partial enthalpy
printed: ΔH
51.69 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Talbot 1988
Table 1, p. 2, row 9
report
Partial enthalpy
printed: ΔH
59.08 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Eichenauer 1961
Table 1, p. 2, row 3
report
Partial enthalpy
printed: ΔH
52.84 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Ransley 1948
Table 1, p. 2, row 1
report
Partial enthalpy
printed: ΔH
45.8 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Imabayashi 1995
Table 1, p. 2, row 11
report
Partial enthalpy
printed: ΔH
48.82 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Opie 1950
Table 1, p. 2, row 2
report
Partial enthalpy
printed: ΔH
57.05 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Liu 1995
Table 1, p. 2, row 10
report
Partial enthalpy
printed: ΔH
56.86 kJ/mol (basis unstated)liquidexperimental[1] Qiu 2004
cites Feichtinger 1987
Table 1, p. 2, row 8
report
Partial enthalpy
printed: ⌬H
57.505 kJ/mol-atom933.15model[1] Qiu 2004p. 6
report
It is seen that the calculated ⌬H for liquid has a value of 57.505 kJ/mol atom at 660 °C and decreases slightly with increasing temperature.

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

  1. Caian Qiu, Gregory B. Olson, Susanne M. Opalka, Donald L. Anton, Thermodynamic Evaluation of the Al-H System, Journal of Phase Equilibria & Diffusion 25, 520-527 (2004). doi:10.1361/15477020421043