Fabrication of High-strength Cu40ZnSnTi Brass via Powder Metallurgy and Hot Extrusion

Li, Shufeng; Imai, Hisashi; Atsumi, Haruhiko et al.

Transactions of JWRI, 2011, 40(2), 59-62

Number of Access:578（2025-08-26 06:27 Counts）

Identifier to cite or link to this item: https://doi.org/10.18910/3776

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Title
Fabrication of High-strength Cu40ZnSnTi Brass via Powder Metallurgy and Hot Extrusion
Creator
CreatorName
Li, Shufeng
NRID
1000030452379 1000030452379
CreatorName
Imai, Hisashi ; イマイ, ヒサシ
CreatorName
Atsumi, Haruhiko ; アツミ, ハルヒコ
NRID
1000050345138 1000050345138
researchmap permalink
kondoh kondoh
Scopus Author ID
9942942300 9942942300
CreatorName
Kondoh, Katsuyoshi ; コンドウ, カツヨシ
Subject
Brass
Powder metallurgy
Extrusion
Microstructure
Mechanical property
Abstract
The super-saturated solid solution of Ti in water-atomized BS40-1.0Ti (Cu-40wt%Zn1.0wt%Ti) brass powder creates a high chemical potential for the precipitation reaction. However, Ti readily segregates in the primary particle boundaries at elevated temperatures, which detrimentally affectes the mechanical properties of the extruded BS40-1.0Ti brass via powder metallurgy (P/M). Accordingly, Sn was proposed as an additive in BS40-0.6Sn1.0Ti (Cu-40wt%Zn0.6wt%Sn1.0wt%Ti) to inhibit Ti segregation. Consequently, the Ti precipitates were retained as CuSn₃Ti₅ compound in both interior grains and grain boundaries rather than in the primary particle boundaries. This result demonstrates that Sn addition can effectively obstruct Ti segregation in the primary particle boundaries, and showed a significant grain refinement and mechanical strengthening effect on BS40-0.6Sn1.0Ti brass.
Publisher
大阪大学接合科学研究所
オオサカ ダイガク セツゴウ カガク ケンキュウジョ
Joining and Welding Research Institute, Osaka University
Source Title
Transactions of JWRI
Volume (Issue)
40(2)
Page
59-62
Date of Issued
2011-12
Language
English
Handle URL
https://hdl.handle.net/11094/3776
DOI
https://doi.org/10.18910/3776
PISSN
03874508
NCID
AA00867058
Access Rights
open access
oaire:version
Version of Record
Category
紀要論文 Departmental Bulletin Paper
Transactions of JWRI / Vol.40 No.2 (2011-12)