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Effect of particle size and heating rate in microwave sintering of 316L stainless steel

Titelangaben

Ertugrul, O. ; Park, Ho-Seon ; Onel, K. ; Willert-Porada, Monika:
Effect of particle size and heating rate in microwave sintering of 316L stainless steel.
In: Powder Technology. Bd. 253 (Februar 2014) . - S. 703-709.
ISSN 0032-5910
DOI: https://doi.org/10.1016/j.powtec.2013.12.043

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Link zum Volltext (externe URL): Volltext

Abstract

The work evaluates the effect of heating rate in microwave sintering, and the effect of particle size of 316L powders in microwave and conventional sintering processes. The powders of 316L stainless steel were compacted by uniaxial press at 700 MPa, and sintered at 1250 °C for 1 h by means of conventional sintering and microwave sintering. The sintering atmospheres were Ar/H2 95/5% for conventional sintering and Ar/H2 90/10% for microwave sintering. Mechanical properties were evaluated using tensile tests. The samples were characterized by optical microscopy and SEM. The porosity levels were determined using image analysis software. Microwave sintering yields fully recrystallized microstructure different from conventional sintering, however no difference in distribution and shape of pores was noticed. Heating rate in microwave sintering affects densification, tensile strength and elongation. Moreover, the use of fine powders improves physical and mechanical properties of the samples sintered by both methods.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Keywords: 316L; Heating rate; Mechanical properties; Microwave sintering; Particle size
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Werkstoffverarbeitung
Fakultäten > Fakultät für Ingenieurwissenschaften > Ehemalige Professoren > Lehrstuhl Werkstoffverarbeitung - Univ.-Prof. Dr. Monika Willert-Porada
Fakultäten
Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Ehemalige Professoren
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 500 Naturwissenschaften
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Eingestellt am: 13 Feb 2015 15:56
Letzte Änderung: 13 Feb 2015 16:10
URI: https://eref.uni-bayreuth.de/id/eprint/6728