ASTM-F14:2015 Edition

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F14-80(2015) Standard Practice for Making and Testing Reference Glass-Metal Bead-Seal

Published By	Publication Date	Number of Pages
ASTM	2015	4

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Categories: 29.080.20 - Bushings, ASTM

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Description

ASTM F14-80-Reapproved2015

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

ASTM F14

Scope

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 Test Method F218 (2).

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.

Keywords

ICS Code

ICS Number Code 29.080.20 (Bushings)

DOI: 10.1520/F0014-80R15

Additional information

Standard Title	F14-80(2015) Standard Practice for Making and Testing Reference Glass-Metal Bead-Seal
Published Code	ASTM
Publication Date	2015
Pages Count	4
ICS Codes	29.080.20 - Bushings