Silver braze alloy

US6596229B2 · kind B2 · utility

Assignee

• UNITED TECHNOLOGIES CORPORATION · US

Inventors

• Wangen Lin · South Glastonbury, US
• Brian J. Schwartz · Town of West Hartford, US
• Viktor Khorunov · Horlivka, UA
• F. Michael Hosking · Albuquerque, US
• Svitlana Maksymova · Horlivka, UA

Key dates

• Filing date: Dec 29, 2000
• Grant date: Jul 22, 2003
• Expiry date: Jan 20, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C5/08
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The present invention relates to a silver braze alloy having improved wetting properties. The silver braze alloy consists essentially of from about 52.25 wt % to about 57.0 wt % silver, from about 38.95 to about 43.0 wt % copper, from about 0.5 wt % to about 5.5 wt %, preferably from about 1.0 wt % to about 5.5 wt %, manganese, and up to about 2.5 wt %, preferably from about 1.5 wt % to about 2.5 wt %, nickel. The alloy further may contain 0.15 wt % total of other trace elements.