Wear Behaviour of A356/TiAl3 in Situ Composites Produced by Mechanical Alloying

被引：9

作者：

Cam, Seda ^{[1
]}

Demir, Vedat ^{[1
]}

Ozyurek, Dursun ^{[1
]}

机构：

[1] Karabuk Univ, Mfg Engn Technol Fac, TR-78100 Karabuk, Turkey

来源：

METALS | 2016年 / 6卷 / 02期

关键词：

A356-Ti alloys; mechanical alloying; sintering; wear behavior; METAL-MATRIX COMPOSITE; HEAT-TREATMENT; AL; MICROSTRUCTURE; FABRICATION;

D O I：

10.3390/met6020034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, the effects of in situ TiAl3 particles on dry sliding wear behavior of A356 aluminum alloy (added Ti) composites were investigated. The wear samples were prepared by adding different amounts of Ti (4%, 6%, and 8%) into A356 powder alloy by mechanical alloying. The mechanically alloyed powders were cold pressed at 600 MPa and sintered 530 degrees C for 1 h in argon atmosphere and cooled in the furnace. After the sintering process, the samples were characterized. The results show that AlTi and TiAl3 intermetallic phases were formed and their amount increased depending on the amount of Ti added into A356 powder alloy. Out of the samples sintered with different titanium amounts (1 h at 530 degrees C), the highest hardness value and, accordingly, the lowest wear amount, were observed in the alloy containing 8% Ti.

引用

页数：9

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