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확장도 측정(DIL)

based on, e.g., DIN EN 821, DIN 51045, ASTM E831, ASTM E228 

Dilatometry is the method of choice to study length change phenomena of ceramics, glasses, metals, composites, and polymers as well as other construction materials, thus revealing information regarding their thermal behavior and about process parameters or sintering (and curing) kinetics.