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ASTM F 14 : 1980 : R2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Making and Testing Reference Glass-Metal Bead-Seal

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

09-01-2005

CONTAINED IN VOL. 15.02, 2017 Describes the procedures for preparing and testing reference glass-to-metal bead-seals for determining the magnitude of thermal expansion (or contraction) mismatch between the glass and metal.

1.1 This practice covers procedures for preparing and testing reference glass-to-metal bead-seals for determining the magnitude of thermal expansion (or contraction) mismatch between the glass and metal. Tests are in accordance with method F218 ().

1.2 This practice applies to all glass-metal combinations, established or experimental, particularly those intended for electronic components.

1.3 The practical limit of the test in devising mismatch is approximately 300 ppm, above which the glass is likely to fracture.

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.

Committee
C 14
DocumentType
Standard Practice
Pages
4
ProductNote
Reconfirmed 2005
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM F 218 : 2013 : REDLINE Standard Test Method for Measuring Optical Retardation and Analyzing Stress in Glass
ASTM F 31 : 2016 : REDLINE Standard Specification for Nickel-Chromium-Iron Sealing Alloys
ASTM F 30 : 1996 Standard Specification for Iron-Nickel Sealing Alloys

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US$66.00
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