Effect of Cu addition on microstructure and mechanical properties of Fe-2 wt-%Ni alloy processed by metal injection moulding

Title
Effect of Cu addition on microstructure and mechanical properties of Fe-2 wt-%Ni alloy processed by metal injection moulding
Author(s)
고영건후세인시아리프양해웅김양곤[김양곤]
Keywords
POROUS SINTERED STEELS; POWDER MIXTURES; CARBONYL IRON; HEATING MODE; MOLYBDENUM; BEHAVIOR
Issue Date
201405
Publisher
MANEY PUBLISHING
Citation
MATERIALS RESEARCH INNOVATIONS, v.18, pp.629 - 632
Abstract
A study investigated the effect of Cu addition on microstructure and mechanical properties of Fe-2 wt-% Ni alloy fabricated by a metal injection moulding. Sintering treatments at 1100 degrees C for 1 h were carried out on the present samples with various Cu contents of 0-3 wt-%. Microstructural observations revealed that, under the same sintering condition, both the size and volume fraction of the micropores increased as the amount of Cu content increased, which was attributed to the movement of Cu elements into the matrix boundaries during sintering. Some micropores appeared to be connected together when Cu content exceeded 2 wt-%. Despite a significant amount of the micropores present in the microstructure, values of microhardness increased due to the solid solution hardening associated with the Cu addition.
URI
http://hdl.handle.net/YU.REPOSITORY/32327http://dx.doi.org/10.1179/1432891714Z.000000000541
ISSN
1432-8917
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공과대학 > 신소재공학부 > Articles
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