Dry sliding wear behavior of low carbon dual phase powder metallurgy steels

被引：25
|
作者：
Tekeli, S. [1 ]
Gural, A.
Ozyurek, D.
机构：
[1] Gazi Univ, Tech Educ Fac, Div Mat, TR-06500 Ankara, Turkey
[2] Zonguldak Karaelmas Univ, Karabuk Tech Educ Fac, Casting Div, TR-078100 Karabuk, Turkey
来源：
MATERIALS & DESIGN | 2007年 / 28卷 / 05期
关键词：
D O I：
10.1016/j.matdes.2006.03.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dry sliding wear behavior of Fe + 0.3% graphite powder metallurgy processed (PM) steels was investigated at constant sliding speed, load and distance. For this purpose, atomized iron powder was mixed with 0.3% graphite powder and sintered at 1200 degrees C for 30 min under Argon gas atmosphere. The sintered PM specimens were intercritically annealed at different temperatures (728 and 760 degrees C) and then water-quenched. After sintering, a typical ferrite + pearlite microstructure was obtained. In the microstructure of the intercritically annealed PM specimens, a ferrite + martensite microstructure was produced. After wear tests, it was seen that the wear rate of the intercritically annealed specimens was very low in comparison to as-sintered specimen. The specimen intercritically annealed at 728 degrees C showed the lowest wear rate, despite its lower martensite volume fraction. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1685 / 1688
页数：4
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