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公开(公告)号：US11555796B2
公开(公告)日：2023-01-17
申请号：US16910227
申请日：2020-06-24
Applicant: AGC Inc.
Inventor： Kazuya Sasaki , Masaaki Takata
Abstract: The present invention relates to a method for evaluating the thermal expansion properties of a titania-containing glass body. On the basis of measured values, obtained at a certain temperature, for a physical parameter that changes depending on the titania concentration and a physical parameter that changes depending on the fictive temperature, the thermal expansion coefficient of the titania-containing silica glass body and the slope of the thermal expansion coefficient are calculated using a linear relational expression represented by a plurality of physical properties. The thermal expansion properties of the titania-containing silica glass body are evaluated on the basis of the calculated thermal expansion coefficient and thermal expansion coefficient slope.
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公开(公告)号：US20200319124A1
公开(公告)日：2020-10-08
申请号：US16910227
申请日：2020-06-24
Applicant: AGC Inc.
Inventor： Kazuya Sasaki , Masaaki Takata
Abstract: The present invention relates to a method for evaluating the thermal expansion properties of a titania-containing glass body. On the basis of measured values, obtained at a certain temperature, for a physical parameter that changes depending on the titania concentration and a physical parameter that changes depending on the fictive temperature, the thermal expansion coefficient of the titania-containing silica glass body and the slope of the thermal expansion coefficient are calculated using a linear relational expression represented by a plurality of physical properties. The thermal expansion properties of the titania-containing silica glass body are evaluated on the basis of the calculated thermal expansion coefficient and thermal expansion coefficient slope.
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