Production of dispersion-strengthened Cu-TiB2 alloys by ball-milling and spark-plasma sintering

被引：2

作者：

Kwon, Dae-Hwan ^{[1
]}

Kum, Jong-Won ^{[1
]}

Nguyen, Thuy Dang ^{[1
]}

Dudina, Dina ^{[1
]}

Choi, Pyuck-Pa ^{[1
]}

Kim, Ji-Soon ^{[1
]}

Kwon, Young-Soon ^{[1
]}

机构：

[1] Univ Ulsan, Sch Mat Sci & Engn, Res Ctr Machine Parts & Mat, San 29 Mugeo Dong, Ulsan 680749, South Korea

来源：

PROGRESS IN POWDER METALLURGY, PTS 1 AND 2 | 2007年 / 534-536卷

关键词：

ball-milling; Cu-TiB2; alloy; spark-plasma sintering;

D O I：

10.4028/www.scientific.net/MSF.534-536.1489

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Dispersion-strengthened copper with TiB2 was produced by ball-milling and spark plasma sintering (SPS).Ball-milling was performed at a rotation speed of 300rpm for 30 and 60min in Ar atmosphere by using a planetary ball mill (AGO-2). Spark-plasma sintering was carried out at 650 degrees C for 5min under vacuum after mechanical alloying. The hardness of the specimens sintered using powder ball milled for 60min at 300rpm increased from 16.0 to 61.8 HRB than that of specimen using powder mixed with a turbular mixer, while the electrical conductivity varied from 93.40% to 83.34%IACS. In the case of milled powder, hardness increased as milling time increased, while the electrical conductivity decreased. On the other hand, hardness decreased with increasing sintering temperature, but the electrical conductivicy increased slightly.

引用

页码：1489 / +

页数：2

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