Microalloying in sintered steels by mechanical alloying: Evolution of nanostructure during attrition and thermal stability

Powder Metallurgy

Volumn 55, Issue 4, 2012, Pages 287-293

  Fuentes Pacheco, L ^a   Campos, M ^a  

^a UNIVERSIDAD CARLOS III DE MADRID   (Spain)

Author keywords

Mechanical alloying; Microalloying; Nanostructured powder; Sintered steels; Thermal stability

Indexed keywords

ALLOYING TECHNIQUES; BULK STEEL; DEFORMATION ENERGY; INTERNAL STRAINS; MICROALLOYING ELEMENTS; MILLED POWDERS; MILLING TIME; NANOSTRUCTURED POWDERS; POWDER CHARACTERISTICS; PROCESS CONTROL AGENTS; SINTERED STEELS; TAP DENSITY; TEMPERATURE INFLUENCE; WORK STUDY;

CARBIDES; IRON POWDER; MECHANICAL ALLOYING; MECHANICAL PROPERTIES; MICROALLOYING; MILLING (MACHINING); NANOSTRUCTURED MATERIALS; NANOSTRUCTURES; PARTICLE SIZE ANALYSIS; SINTERING; THERMODYNAMIC STABILITY;

ALLOYS;

EID: 84869014328     PISSN: 00325899     EISSN: 17432901     Source Type: Journal    
DOI: 10.1179/1743290112Y.0000000023     Document Type: Article

References (12)

1. B. K. Panigrahi, S. Mishra and S. Sen: 'Microalloyed high-strength steels - physical metallurgy and applications', Trans. Indian Inst. Met., 1986, 39, (3), 241-272.
2. A. J. DeArdo: 'Niobium in modern steels', Int. Mater. Rev., 2003, 48, (6), 371-402.
3. J. W. Cahn: 'Impurity-drag effect in grain boundary motion', Acta Metall., 1962, 10, (SEP), 789.
4. M. Hillert: 'Inhibition of grain-growth by 2nd-phase particles', Acta Metall., 1988, 36, (12), 3177-3181.
5. T. Gladman: 'On theory of effect of precipitate particles on grain growth in metals', Proc. R. Soc. Lond. A, 1966, 294 A, (1438), 298.
6. L. Lutterotti: 'MAUD', CPD Newslett., 2000, IUCr No. 24.
7. F. A. Mohamed and Y. W. Xun: 'Correlations between the minimum grain size produced by milling and material parameters', Mater. Sci. Eng. A, 2003, A354, (1-2), 133-139. (Pubitemid 36770575)
8. A. Molinari, S. Libardi, M. Leoni and P. Scardi: 'Role of lattice strain on thermal stability of a nanocrystalline FeMo alloy', Acta Mater., 2010, 58, (3), 963-966.
9. J. C. Rawers, R. Krabbe, D. C. Cook and T. H. Kim: 'Differences in the microstructure of iron mechanically processed powder alloyed with interstitial and substitutional elements', Nanostruct. Mater., 1997, 9, (1-8), 145-148. (Pubitemid 127434211)
10. M. I. Mendelev and D. J. Srolovitz: 'Impurity effects on grain boundary migration', Modell. Simul. Mater. Sci. Eng., 2002, 10, (6), R79-R109. (Pubitemid 35375234)
11. A. Vilenkin: 'Interaction of solute impurity with grain boundary: the impurity drag effect', Interface Sci., 2001, 9, (3-4), 323-329. (Pubitemid 34566583)
12. C. R. Hutchinson, H. S. Zurob, C. W. Sinclair and Y. J. M. Brechet: 'The comparative effectiveness of Nb solute and NbC precipitates at impeding grain-boundary motion in Nb steels', Scr. Mater., 2008, 59, (6), 635-637.