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Non-Alkali multicomponent La2O3-Al2O3-SiO2 glasses has been designed and analyzed on the basis of a mixture design experiment with constraints. Fitted models for thermal expansion coefficient, glass transition temperature, Young’s modulus, Shear modulus and density are as follows: α(/ o C) = 8.41 × 10 8 x1 +5 .72× 10 7 x2 +2 .13× 10 7 x3 +1 .09× 10 7 x4 +1 .10× 10 7 x5 +1 .15× 10 7 x6 +2 .72× 10 8 x7 +2 .41× 10 7 x8 − 1.08 ×10 8 x1x2 +4 .28× 10 8 x3x7−2.02 × 10 8 x3x8−1.60 × 10 8 x4x5−2.71 × 10 9 x4x8−2.19 × 10 8 x5x6−3.89 ×10 8 x5x7 Tg( o C) = 7.36x1+15.35x2+20.14x3+8.97x4+13.85x5+4.22x6+28.21x7−1.44x8−0.84x2x3−0.45x2x5−1.64x2x7+0.93x3x8−1.04x5x8−0.48x6x8 E(GPa) = 2.04x1+14.26x2−1.22x3−0.80x4−2.26x5−1.67x6−1.27x7+3.63x8−0.24x1x2−0.07x2x8+0.14x3x6−0.68x3x8+0.29x4x5+1.28x5x8 G(GPa) = 0.35x1 +1 .78x2 +1 .35x3 +1 .87x4 +9 .72x5+ 29.16x6− 0.99x7 +3 .60x8− 0.48x1x6− 0.50x2x5 +0 .08x3x7−0.66x3x8 +0 .94 x 5x8 ρ(g/cm 3 )=0 .09x1 +0 .51x2− 4.94 × 10 3 x3− 0.03x4 +0 .45x5− 0.07x6− 0.10x7 +0 .07x8− 9.60 × 10 3 x1x2− 8.20 × 10 3 x1x5 +2 .17× 10 3 x3x7−

Composition-Some Properties Relationships of Non-Alkali Multi-component La2O3-Al2O3-SiO2Glasses

Composition-Some Properties Relationships of Non-Alkali Multi-component La₂O₃-Al₂O₃-SiO₂Glasses