标准摘要
[中文适用范围]： 指定的方法提供了对于指定玻璃器皿生产中的冷却程序有用的值。 通过测量简单加载玻璃梁的中点粘性弯曲率来确定退火点。 随后通过外推法确定应变点。 附件 A 提供了各种横截面几何形状下的横截面惯性矩的公式，附件 B 显示了梁弯曲装置的示例 [外文原描述]： The specified method provides values being useful for specifying the cooling programme in the production of glassware. The annealing point is determined by measuring the rate of midpoint viscous bending of a simple loaded glass beam. The strain point is subsequently determined by an extrapolation method. Annex A provides the formulae for cross-sectional moment of inertia at various cross-section geometries, and annex B shows an example of beam bending apparatus
英文名称Glass — Viscosity and viscometric fixed points — Part 7: Determination of annealing point and strain point by beam bending