Dimensional Changes in Some Iron-Based Powder Metallurgy Alloys
Keywords:
powder metallurgy, sintering, density, dimensional changes
Abstract
The purpose of this paper is to present the dimensional changes in some ironbased (P/M) alloys. The specimens produced from atomized iron powder and alloyed powder with different sizes (< 45, 45-63, 63-100, 100-150, >150 μm) were subjected to compaction at 400 and 600 MPa. After compaction, the specimens were sintered at 1150 ºC for 1 h. The density of green and sintered iron and ironbased alloys, the mechanical properties (hardness) and dimensional changes were evaluated.
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References
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[4]. Dobrzanski L. A., Otreba J., Actis Grande M., Rosso M., Mechanical and microstructural properties of Ni-Mo and NiMo sintered steels, Proc. of AMME’ 2005, Gliwice-Zakopane, p. 240-246, 2005.
[5]. Kandavel T. K., Chandramouli R., Experimental investigations on the microstructure and mechanical properties of sinter-forged Cu and Mo alloyed low alloy steels, Int J Adv Manuf Technol, vol. 50, p. 53-59, 2010.
[6]. Chawla N., Deng X., Microstructure and mechanical behavior of porous sintered steels, Materials Science and Engineering A, vol. 390, p. 98-112, 2005.
[7]. Sanjay S. R., Milind M. S., Vikram V. D., Effect of molybdenum addition on the mechanical properties of sinter-forged Fe Cu C alloys, Journal of Alloys and Compounds 649, p. 988-995, 2015.
[8]. Wu M. W., Tsao L. C., Shu G. J., Lin B. H., The effects of alloying elements and microstructure on the impact toughness of powder metal steels, Materials Science and Engineering: vol. A 538, p. 135-144.
[9]. D.Angel W., Tellez L., Alcala J. F., Martinez E., Cedeno V. F., Effect of copper on the mechanical properties of alloys formed by powder metallurgy, Materials and Design, vol. 58, p. 12-18, 2014.
[10]. Marucci M. L., Hanejko F. G., Effect of copper alloy addition method on the dimensional response of sintered Fe-Cu-C steels, Advances in Powder Metallurgy and Particulate Materials, MPIF, p. 1-11, 2010.
[11]. Dong Y., Jun L., Wen J., Jie S., Kunyu Z., Effect of Cu addition on microstructure and mechanical properties of 15% Cr super martensitic stainless steel, Mater Des, vol. 41, p. 16-22, 2012.
[12]. Takaki S., Fujioka M., Aihara S., Nagataki Y., Yamashita Y., Sano N., Adachi Y., Nomura M., Yaguchi K., Effect of Copper on Tensile Properties and Grain-Refinement of Steel and its Relation to Precipitation Behavior, Mater Trans, vol. 45, p. 2239-2244, 2005.
[13]. Bernier F., Plamondon P., Bailon J. P., L’Esperance G., Microstructural characterisation of nickel rich areas and their influence on endurance limit of sintered steel, Powder Metallurgy, vol. 54, issue 5, p. 559-565, 2011.
Published
2015-03-15
How to Cite
1.
MARIN M, POTECAȘU F, POTECAȘU O. Dimensional Changes in Some Iron-Based Powder Metallurgy Alloys. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Mar.2015 [cited 24Dec.2024];38(1):66-0. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/1375
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