ASTM-C770 2008

$40.63

C770-98(2008) Standard Test Method for Measurement of Glass Stress—Optical Coefficient

Published By	Publication Date	Number of Pages
ASTM	2008	7

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Categories: 81.040.10 - Raw materials and raw glass, ASTM

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Description

ASTM C770-98-Reapproved2008

Historical Standard: Standard Test Method for Measurement of Glass Stress—Optical Coefficient

ASTM C770

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 coefficient; Optical materials/properties/tests; Stress–glass materials/applications; Stress cracking tests

ICS Code

ICS Number Code 81.040.10 (Raw materials and raw glass)

DOI: 10.1520/C0770-98R08

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Significance and Use Apparatus
2	Test Specimen FIG. 1 FIG. 2
3	FIG. 3
4	FIG. 4 FIG. 5
5	Procedure FIG. 6 FIG. 7
6	Calculation Report A1. SIGN OF ROTATION A1.1
7	A2. ANNEALING PROCEDURE A2.1 A3. DETERMINATION OF SLOPE S A3.1 A4. UNITS CONVERSION TABLE

Additional information

Standard Title	C770-98(2008) Standard Test Method for Measurement of Glass Stress—Optical Coefficient
Published Code	ASTM
Publication Date	2008
Pages Count	7
ICS Codes	81.040.10 - Raw materials and raw glass