ASTM-C770 Standard Test Method for Measurement of Glass Stress—Optical Coefficient

ASTM-C770 - 2016 R20 EDITION - CURRENT
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Standard Test Method for Measurement of Glass Stress—Optical Coefficient
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Scope

1.1 This test method covers procedures for determining the stress-optical coefficient of glass, which is used in photoelastic analyses. In Procedure A the optical retardation is determined for a glass fiber subjected to uniaxial tension. In Procedure B the optical retardation is determined for a beam of glass of rectangular cross section when subjected to four-point bending. In Procedure C, the optical retardation is measured for a beam of glass of rectangular cross-section when subjected to uniaxial compression.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

Glass; Optical materials/properties/tests; Stress; Stress cracking tests; glass stress/optical coefficient, test

To find similar documents by ASTM Volume:

15.02 (Glass; Ceramic Whitewares)

To find similar documents by classification:

81.040.10 (Raw materials and raw glass)

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Document Number

ASTM-C0770-16R20

Revision Level

2016 R20 EDITION

Status

Current

Modification Type

Revision

Publication Date

Aug. 1, 2020

Document Type

Test Method

Page Count

9 pages

Committee Number

C14.04