Name: UNI EN ISO 4521 : 2008
Brand: UNI

METALLIC AND OTHER INORGANIC COATINGS - ELECTRODEPOSITED SILVER AND SILVER ALLOY COATINGS FOR ENGINEERING PURPOSES - SPECIFICATION AND TEST METHODS

Published date

18-12-2008

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
4 INFORMAZIONI CHE IL COMMITTENTE DEVE FORNIRE AL
  GALVANOTECNICO
  4.1 Informazioni essenziali
  4.2 Informazioni aggiuntive
5 CLASSIFICAZIONE
  5.1 Generalità
  5.2 Specifiche della classificazione
  5.3 Classificazione del materiale base
  5.4 Classificazione dei requisiti del trattamento termico
  5.5 Esempi di classificazioni
6 REQUISITI
  6.1 Generalità
  6.2 Aspetto
  6.3 Spessore
  6.4 Porosità
  6.5 Prova di corrosione accelerata
  6.6 Composizione
  6.7 Trattamento termico di distensione prima
       dell'elettrodeposizione
  6.8 Trattamento termico di distensione per ridurre
       l'infragilimento da idrogeno dopo il deposito
       elettrolitico
  6.9 Aderenza
  6.10 Proprietà elettriche
  6.11 Microdurezza
  6.12 Saldabilità
  6.13 Resistenza all'usura
  6.14 Duttilità
  6.15 Substrati
  6.16 Assenza di contaminazioni
  6.17 Trattamenti anti-opacizzanti
7 CAMPIONAMENTO
APPENDICE A (normativa) - REQUISITI DEI SUBSTRATI
APPENDICE B (normativa) - METODI DI MISURAZIONE
  DELLO SPESSORE DEI RIVESTIMENTI DI ARGENTO E DI LEGA DI
  ARGENTO
APPENDICE C (normativa) - PROVE DI ADERENZA
APPENDICE D (normativa) - DETERMINAZIONE DELLA PRESENZA DI
  SALI RESIDUI
BIBLIOGRAFIA

Describes requirements for electroplated silver and silver alloy coatings for electrical, electronic and other engineering applications, including test methods.

DevelopmentNote	Supersedes UNI ISO 4521. (12/2008)
DocumentType	Test Method
ProductNote	Italian version is available for this standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI ISO 4521 : 1988

Standards	Relationship
EN ISO 4521 : 2008	Identical
ISO 4521:2008	Identical

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