Joining of iron powder compacts by an infiltration method |
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| Affiliation: | 1. Faculty of Material Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;2. National & Local Joint Engineering Laboratory for Technology of Advanced Metallic Solidification Forming and Equipment, Kunming 650093, China;3. Faculty of Mechanical and Electrical Engineering Kunming University of Science and Technology, Kunming 650550, China;1. School of Material Science and Engineering, Xi''an University of Technology, Xi''an, 710048, China;2. Institute of New Materials, Guangdong Academy of Sciences, Guangzhou 510650, China;3. School of Chemistry and Chemical Engineering, Yulin University, Yulin, 719000, China;4. School of Materials Science and Chemical Engineering, Harbin University of Science and Technology, Harbin, 150000, China;1. College of Energy Engineering, Yulin University, Yulin, 719000, China;2. School of Material Science and Engineering, Xi''an University of Technology, Xi''an, 710048, China |
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| Abstract: | Joining of iron powder compacts by an infiltration method was attempted. The joining strength of the compacts was investigated with respect to variations in roughness of the surface, applied pressure, relative density of preforms, infiltration temperature and the time. The joining strength was found to be almost equal to those of monobloc ompacts by conventional infiltration when the joining was done under the optimum conditions. Joining of the iron powder compact and wrought steel samples such as S10C and S55C was also carried out and high strength could be obtained by this method. Samples with complicated shapes or with holes in the parts could be easily made with the infiltration technique proposed. |
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