| 摘要 |
PROBLEM TO BE SOLVED: To provide an alloy for strengthening glass with which strengthened glass having high adhesive strength to glass as a material to be strengthened and having also high impact resistance and hardly causing secular charge can be attained. SOLUTION: The alloy for strengthening glass has a chemical composition consisting of, by weight, 30-35% Ni, 17-25% Co, 1-7% Cr and the balance essentially Fe with inevitable impurities and a thermal expansion coefficient at 30-590 deg.C of (100×1017 to 110×10-7)/ deg.C.
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