Paper Title:
The Properties and Structure of Infiltrated High Speed Steel-Tungsten Carbide-Copper Composites
  Abstract

The aim of the present study was to produce high speed steel – tungsten carbide – copper composites, which should have acceptable density, wear resistance and good sliding prosperities. Various amounts of WC powder were added to the HSS powder prior to compaction. The following compositions were investigated: 100% M3/2, M3/2 + 10% WC and M3/2 + 30%WC. The mixtures were prepared by mixing for 30 minutes in the 3-D pendulum motion Turbula® T2C mixer. Then the powders were cold pressed in a rigid cylindrical die at 800 MPa. Both green compacts and pre-sintered compacts (pre-sintering condition: 1150°C in vacuum for 60 minutes) were infiltrated with copper. The whole infiltration process was carried out in vacuum better than 10-3 Pa. Pre-weighed preforms of copper were carefully placed on top of the rigid skeletons in which porosity were predetermined, heated up to 1150°C, subsequently held at temperature for 15 minutes, and cooled down with the furnace to the room temperature. The dilatometer was used to detect some reaction in the sintering. The changes in as pressed and as sintered density, hardness, bending strength and tribological properties are discussed in this work.

  Info
Periodical
Materials Science Forum (Volumes 636-637)
Edited by
Luís Guerra ROSA and Fernanda MARGARIDO
Pages
184-191
DOI
10.4028/www.scientific.net/MSF.636-637.184
Citation
M. Madej, "The Properties and Structure of Infiltrated High Speed Steel-Tungsten Carbide-Copper Composites", Materials Science Forum, Vols. 636-637, pp. 184-191, 2010
Online since
January 2010
Authors
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Shoko Suyama, Yoshiyasu Itoh
Abstract:Reaction-sintered silicon carbide of 800 MPa class bending strength had been newly developed. The developed silicon carbide showed good...
374
Authors: Zhi De Huang
Chapter 3: Steel and Iron
Abstract:Microstructure and properties of Forging high Cr cast iron were investigated according to the requirements for production and application of...
552
Authors: You Jun Lu, Yan Min Wang
Chapter 8: Energy Materials, Engineering Materials and Processing Technologies
Abstract:In this article, the properties of carbon particle modified silicon carbide (Cp/SiC) composites was studied. The mixture powder of...
1639
Authors: Jun Ming Luo, Ji Lin Xu, Zheng Wei
Chapter 2: Materials Science and Engineering
Abstract:WC steel-bonded cemented carbides were prepared by microwave sintering through ball milling, press forming and sintering with iron powders as...
850