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Structure and properties of copper infiltrated iron.

University of British Columbia

Two-phase composites have been prepared by infiltrating sintered iron compacts with liquid copper. The effects have been studied of iron particle size, matrix mean free path, and the volume fraction and micro-hardness of the iron-rich constituent, on the tensile properties of composites. It has been found that the strength of the composites is related to the amount of solution hardening of the iron component during infiltration. The results of tensile tests have suggested that the hardness of the iron-rich constituent is the dominant factor controlling yield strength, ultimate tensile strength and elongation. However, the ultimate strength has been found to depend also on the volume fraction of the hard constituent, and elongation has also been found to be a function of the interface area.

Text

2011-10-04

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http://hdl.handle.net/2429/37770

Metals and Materials Engineering

University of British Columbia

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