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ASTM-F14:1995 Edition

$35.75

F14-80(1995)e1 Standard Practice for Making and Testing Reference Glass-Metal Bead-Seal

Published By Publication Date Number of Pages
ASTM 1995 4
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ASTM F14-80-e1-Reapproved1995

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 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

bead seals; seals-electronic applications; bead-seals, making/testing (for thermal expansion/contraction mismatch); electronic materials/applications; glass-metal bead-seal

ICS Code

ICS Number Code n/a

DOI: 10.1520/F0014-80R95E01

ASTM-F14
$35.75