Sintering behavior of Cr in different atmospheres and its effect on the microstructure and properties of copper-based composite materials

被引：10

作者：

Wang, Ye ^{[1
]}

Yan, Qing-zhi ^{[1
]}

Zhang, Fei-fei ^{[1
]}

Ge, Chang-chun ^{[1
]}

Zhang, Xiao-lu ^{[2
]}

Zhao, Hai-qin ^{[3
]}

机构：

[1] Univ Sci & Technol Beijing, Lab Special Ceram & Powder Met, Beijing 100083, Peoples R China

[2] Beijing Railway Star Fortune Technol Co Ltd, Beijing 102200, Peoples R China

[3] CSR Qingdao Sifang Locomot & Rolling Stock Co Ltd, Qingdao 266111, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2013年 / 20卷 / 12期

关键词：

metallic matrix composites; microstructure; mechanical properties; chromium; ferrochrome; sintering; MOLYBDENUM-DISULFIDE; WEAR; FRICTION; TEMPERATURE; FABRICATION; CHROMIUM;

D O I：

10.1007/s12613-013-0856-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Copper matrix composites consisting of chromium (Cr) or ferrochrome (Cr-Fe) as strengthening elements and molybdenum disulfide as a lubricant had been sintered in nitrogen and hydrogen atmosphere, respectively. Their morphology and energy-dispersive X-ray spectrometry (EDS) analysis showed that serious interaction occurred between MoS2 and Cr (or Cr-Fe) particles when the samples were sintered in hydrogen atmosphere. Chromium sulfide compound (CrxSy) was formed as a reaction product, which decreased the density and strength of the composites remarkably. This interaction was inhibited when the samples were sintered in nitrogen atmosphere; thus, the mechanical properties of the composites were improved.

引用

页码：1208 / 1213

页数：6

共 20 条

[1]

[白同庆 Bai Tongqing], 2006, [材料工程, Journal of Materials Engineering], P25

[2]

[陈洁 Chen Jie], 2003, [非金属矿, Non-metallic Mines], V26, P50

[3] Heat generation in Fe-C-Cu-MoS2-sintered spur gears under unlubricated conditions [J].

Dhanasekaran, S. ;

Gnanamoorthy, R. .

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2007, 221 (J6) :645-652

[4] Dry sliding friction and wear characteristics of Fe-C-Cu alloy containing molybdenum di sulphide [J].

Dhanasekaran, S. ;

Gnanamoorthy, R. .

MATERIALS & DESIGN, 2007, 28 (04) :1135-1141

[5] The effects of applied load on the coefficient of friction in Cu-MMC brake pad/Al-SiCp MMC brake disc system [J].

Gultekin, D. ;

Uysal, M. ;

Aslan, S. ;

Alaf, M. ;

Guler, M. O. ;

Akbulut, H. .

WEAR, 2010, 270 (1-2) :73-82

[6] Influence of vanadium and chromium additions on the wear resistance of a gray cast iron [J].

Hassani, A. ;

Habibollahzadeh, A. ;

Sadeghinejad, S. .

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS, 2012, 19 (07) :602-607

[7]

Kan CY, 1994, TRIBOLOGY, V14, P193

[8] Wear and mechanical properties of sintered copper-tin composites containing graphite or molybdenum disulfide [J].

Kato, H ;

Takama, M ;

Iwai, Y ;

Washida, K ;

Sasaki, Y .

WEAR, 2003, 255 (1-6) :573-578

[9] The tribological properties and mechanism of wear of Cu-based sintered powder materials containing molybdenum disulfide and molybdenum diselenite under unlubricated sliding against copper [J].

Kovalchenko, A. M. ;

Fushchich, O. I. ;

Danyluk, S. .

WEAR, 2012, 290 :106-123

[10] Friction and wear properties of Ni-Cr-W-Al-Ti-MoS2 at elevated temperatures and self-consumption phenomena [J].

Li, Jian Liang ;

Xiong, Dang Sheng ;

Huo, Ming Feng .

WEAR, 2008, 265 (3-4) :566-575

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