Patent · US Expired

Brass material and a process for the preparation thereof

US4226621A · kind A · utility

8Cited by
5References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 11, 1978
Grant dateOct 7, 1980
Priority date
Expiry dateSep 11, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S420/902
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A brass material and a process for the preparation thereof, which comprises an alloy of 61 to 65% by weight of copper with the remainder being zinc; the material evidencing a structure in which the recrystallized phases .alpha. and .beta..sub.1 are present in a discrete fine mixture having grain sizes of less than 5 .mu.m. The component of the .beta..sub.1 phase comprises at least 10% of the structure and is arranged in the form of discrete particles in the grain boundaries of the .alpha. phase.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.