Microwave sintering of 316L stainless steel: Influence of sintering temperature and time

Nagaraju, K.; Kumaran, S.; Rao, T. Srinivasa

doi:10.1016/j.matpr.2019.09.062

Cited by 12 publications

(2 citation statements)

References 15 publications

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“…Nagaraju et al successfully fabricated stainless steel 316L (X2CrNiMo17-12-2) powder samples using the microwave sintering route. The sintered material had a relative density of 90%, with a reduced pore concentration and an enhanced pore size [48].…”

Section: Metals and Alloysmentioning

confidence: 99%

A Review of Microwave-Assisted Sintering Technique

Ćurković

Veseli

Gabelica

et al. 2021

TFAMENA

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The present study examines the potential of microwave heating as an emerging and innovative energy-efficient alternative to conventional heating techniques used for different materials, with a focus on the processing of ceramic materials. Modern ceramics are studied extensively, and their use and different applications are wide due to many advantages of these materials. The most important factor in microwave sintering which differentiates it from conventional heating techniques is a unique heat transfer mechanism. Microwave energy is absorbed by the material, hence the transfer of energy takes place at the molecular level. This way, the heat is generated throughout the material, i.e. on the inside as well on the outside. This allows a very low temperature gradient throughout the material cross section. When conventional sintering is used, typically at high heating rates, high temperature gradients pose a problem. The accelerated microwave heating occurs through the whole volume, so the heating is uniform, which limits the grain growth and coarsening, and leads to a uniform and fine microstructure. The densification is accelerated as well during the unique heat transfer mechanism of microwave sintering, which enhances the mechanical properties of the sintered materials.This paper discusses the use of microwave sintering in the manufacturing of different modern technical materials, namely ceramics, composites, metals and alloys, and glasses. The improvement of different properties is described using the available literature.

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Section: Metals and Alloysmentioning

confidence: 99%

A Review of Microwave-Assisted Sintering Technique

Ćurković

Veseli

Gabelica

et al. 2021

TFAMENA

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show abstract

“…Furthermore, microwave sintering drastically suppresses grain growth during densification [13]. Therefore, in past two decades microwave sintering, an emerging technology has been successfully applied to the sintering of different materials such as: complexshaped alumina with short processing time [14], finegrained Al 2 O 3 /SiC composite ceramic tool materials [15], yttrium-stabilized zirconia polycrystalline (Y-TZP) ceramics [16], zirconia nanocomposite powders doped with cerium and toughened with alumina (10Ce-TZP/Al 2 O 3 ) [17], porous silicon nitride materials with controllable dielectric constant and pore structure [18], Si 3 N 4 ceramics with excellent mechanical properties and microstructure [19], the porous Ti-Cu alloys [20], PM stainless steel 316L [21], PM copper steel [22], aluminophosphate glass [23], metal doped borosilicate glass with controlled isolated porosity [24], metal-diamond composite material with excellent mechanical properties [25], the boronised Ti6Al4V/hydroxyapatite (HA) composites [26], titanium carbide in presence of different amount of Ni [27], etc. a b…”

Section: Introductionmentioning

confidence: 99%

Conventional and Non-conventional Sintering Techniques of High Purity Alumina Ceramics

Ropuš¹,

Ćurković

Mandić

et al. 2021

Teh. vjesn.

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The goal of this study is to compare the properties of cold isostatically pressed (CIP) alumina (A2O3) samples sintered by conventional (electrical) and nonconventional (hybrid microwave) techniques. X-ray diffraction was used to determine phase composition of A2O3 samples (raw powder and granules). Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) were used to investigate the thermal behaviour of the Al2O3 powder and granules during the thermal treatment. Compaction of spray dried A2O3 granules into green compact bodies was performed by CIP, followed by sintering of green bodies at 1600 °C in an electrical and hybrid microwave kiln, respectively. Scanning electron microscopy (SEM) was used to analyse morphology of the Al2O3 granules and fracture surface of Al2O3 compacts derived by both sintering techniques. Higher linear shrinkage and densification were obtained for alumina samples sintered in electrical kiln (conventional method), while sintering by faster and more energy efficient hybrid microwave kiln (non-conventional sintering method) yielded alumina samples with finer grain size. Alumina samples sintered by electrical kiln displayed higher relative densities and lower porosities.

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Texture genetics and magnetic properties of Fe-6.5%Si materials modified with Cu

Zhang,

Song,

et al. 2024

J Mater Sci

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Microwave sintering of 316L stainless steel: Influence of sintering temperature and time

Cited by 12 publications

References 15 publications

A Review of Microwave-Assisted Sintering Technique

A Review of Microwave-Assisted Sintering Technique

Conventional and Non-conventional Sintering Techniques of High Purity Alumina Ceramics

Texture genetics and magnetic properties of Fe-6.5%Si materials modified with Cu

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