ISO-7991 › Glass - Determination of coefficient of mean linear thermal expansion
ISO-7991
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1ST EDITION
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CURRENT
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The method deals with the measurement of the change of length of a glass fibre under specified conditions. The apparatus including the used dilatometers and the possibilities of corretion, the formulae for the final length and the expansion coefficient are specified. In the annex, devices for self-adjusting alignment of specimen and push-rod axis are described and illustrated.
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Document Number
ISO 7991:1987
Revision Level
1ST EDITION
Status
Current
Publication Date
Dec. 15, 1987
Committee Number
ISO TC 48/SC 5