Ceramic particle-dispersed metal-matrix alloys were produced by the Mixalloying Process. In this process, two liquid metal jets were impinged into a mixing head and intimately mixed by turbulence. Liquid copper solution with dilute boron and liquid copper solution with dilute zirconium were impinged and submicron size zirconium diboride particles were produced in liquid copper. The copper-zirconium diboride mixture was solidified in a water cooled mold. Addition of excessive zirconium enhanced boride particle dispersion. Because of particle strengthening, the room temperature microhardness was twice that of annealed copper, and the hardness was retained up to 1173 K in one hour annealing treatments. Experimental result on copper-aluminum oxide alloy is also reported.
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November 1991
This article was originally published in
Journal of Engineering for Industry
Technical Briefs
Dispersion-Strengthened Alloys by the Mixalloying Process
C. N. Chu,
C. N. Chu
School of Industrial Engineering, Purdue University, West Lafayette, IN 47907
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N. Saka,
N. Saka
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
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S. T. Oktay,
S. T. Oktay
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
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N. P. Suh
N. P. Suh
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
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C. N. Chu
School of Industrial Engineering, Purdue University, West Lafayette, IN 47907
N. Saka
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
S. T. Oktay
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
N. P. Suh
Laboratory for Manufacturing and Productivity, Massachusetts Institute of Technology, Cambridge, MA 02139
J. Eng. Ind. Nov 1991, 113(4): 481-485
Published Online: November 1, 1991
Article history
Received:
October 1, 1989
Revised:
December 1, 1990
Online:
April 8, 2008
Citation
Chu, C. N., Saka, N., Oktay, S. T., and Suh, N. P. (November 1, 1991). "Dispersion-Strengthened Alloys by the Mixalloying Process." ASME. J. Eng. Ind. November 1991; 113(4): 481–485. https://doi.org/10.1115/1.2899727
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