Table 3 Elastic properties of Al and Si phases at RT and 15 K

From: Enhanced strength and ductility in an additively manufactured Al10SiMg alloy at cryogenic temperatures

Al

E111 (GPa)

E200 (GPa)

E220 (GPa)

E311 (GPa)

E222 (GPa)

EAl (GPa)

a0 (Å)

 

293 K

74

72.4

75.6

71.4

71.1

74.6

4.0497

 

15 K

82.1

84.6

89.2

83.8

89

85.5

4.0340

 

Si

E111 (GPa)

E220 (GPa)

E311 (GPa)

E400 (GPa)

E331 (GPa)

E422 (GPa)

ESi (GPa)

a0 (Å)

293 K

103.3

88.6

85.6

66.9

95.2

94.5

87.7

5.4268

15 K

104.9

99.8

103.7

114

118.9

104.3

107.7

5.4252

  1. The elastic moduli along different hkl-planes (\({E}_{{hkl}}\)), along with the bulk phase elastic moduli (\({E}_{{Al}},\,{E}_{{Si}}\)) and lattice constants before deformation (\({a}_{0}\)) for each phase are listed.
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