| 摘要 |
PROBLEM TO BE SOLVED: To provide glass having a high Young's modulus. SOLUTION: This glass composition has the composition ranges of main components being 40.5 wt.%<=SiO2<=44 wt.%, 5 wt.%<=Al2O3<=30 wt.%, 10 wt.%<=MgO<=30 wt.%, and 7 wt.%<=TiO2<=10 wt.%.
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