TWI620529B

TWI620529B

Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a β phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUMEI, TAKANORI, HIROMI, CHIKAKO, YOKOTA, MUNEYOSHI, FUKUYAMA, TAKAHIRO, OGIHARA, ATSUSHI, TAIRA, YOSHIO, KIDO, KOUTA
Format: Patent
Sprache:chi
Schlagworte:
BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
HABERDASHERY
HUMAN NECESSITIES
JEWELLERY
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Beschreibung
Zusammenfassung:Provided is a copper alloy fastener element which improves season cracking resistance by a means different from that of increasing a ratio of a β phase. The copper alloy fastener element includes a copper-zinc alloy as a base material, the base material having: an apparent zinc content of from 34 to 38%; a dendrite structure; and a β phase at a ratio of 10% or less.