Formation mechanism of weak ferrite areas in Ni-containing powder metal steels and methods of strengthening them

The mechanical properties of Ni-containing powder metal steels are typically inferior to those of their wrought counterparts due to the presence of pores and soft Ni-rich/C-lean ferrite. To improve the mechanical properties, the distribution of alloying elements and the formation mechanism of the so...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2010-08, Vol.527 (21), p.5421-5429
Hauptverfasser:	Wu, M.W., Hwang, K.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloy design Applied sciences Chromium Diffusion Diffusion couple Exact sciences and technology Ferrite Fracture Homogenization Martensite Mechanical properties Metal powders Metals. Metallurgy Microstructure Nickel Pearlite Powder metallurgy Powder metallurgy. Composite materials Production techniques Sintering Structural steels
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