ASTM International - ASTM F319-09
Standard Practice for Polarized Light Detection of Flaws in Aerospace Transparency Heating Elements
| Organization: | ASTM International |
| Publication Date: | 15 May 2009 |
| Status: | inactive |
| Page Count: | 4 |
| ICS Code (Aerospace electric equipment and systems): | 49.060 |
significance And Use:
This practice is useful as a screening basis for acceptance or rejection of transparencies during manufacturing so that units with identifiable flaws will not be carried to final inspection for... View More
scope:
1.1 This practice covers a standard procedure for detecting flaws in the conductive coating (heater element) by the observation of polarized light patterns.
1.2 This practice applies to coatings on surfaces of monolithic transparencies as well as to coatings imbedded in laminated structures.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 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. For specific precautionary statements see Section 6.
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