Effect of Traverse Speed on Microstructure and Microhardness of Cu/B4C Surface Composite Produced by Friction Stir Processing

被引：12

作者：

Sathiskumar, R. ^{[1
]}

Murugan, N. ^{[1
]}

Dinaharan, I. ^{[2
]}

Vijay, S. J. ^{[2
]}

机构：

[1] Coimbatore Inst Technol, Dept Mech Engn, Coimbatore 641014, Tamil Nadu, India

[2] Karunya Univ, Sch Mech Sci, CRM, Coimbatore 641114, Tamil Nadu, India

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2013年 / 66卷 / 04期

关键词：

Friction stir processing; Surface composite; Microstructure; Microhardness; PARTICLE-REINFORCED COMPOSITE; METAL-MATRIX COMPOSITES; MECHANICAL-PROPERTIES; FABRICATION;

D O I：

10.1007/s12666-013-0259-5

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Friction stir processing (FSP) has evolved as a potential candidate to fabricate surface composites. This paper investigates the influence of traverse speed on microstructure and microhardness of Cu/B4C surface composite fabricated using FSP. The traverse speed was varied from 20 to 60 in steps of 20 mm/min. The tool rotational speed, axial force and groove width were kept constant. Optical microscopy and scanning electron microscopy were employed to study the microstructure of the fabricated surface composites. The results indicated that the traverse speed significantly influenced the area of the surface composite and distribution of B4C particles. The area of the surface composite was found to bear an inversely proportional relationship to traverse speed. Lower traverse speed exhibited homogenous distribution of B4C particles while higher traverse speed caused poor distribution of B4C particles in the surface composite.

引用

页码：333 / 337

页数：5

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