Comparison of the effect of carbide addition on particle size reduction on UNS S31803 steel chip millings

Mendonça, C. S. P.; Oliveira, Valesca Donizeti de; Oliveira, Adhimar Flávio; Silveira, L. R.; Andrade, Bruno Gonçalves; Silva, G.

doi:10.1007/s00170-018-2366-2

Cited by 1 publication

(2 citation statements)

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“…Much research has used PM to recycle scraps and produce metallic powders with success. For instance, a study [12] verified the efficiency of titanium and niobium carbides in the chip milling process of a duplex stainless steel UNS S31803 and obtained a particle size reductions of 43.5% (TiC) and 35% (NbC), with 50 h milling.…”

Section: Introductionmentioning

confidence: 99%

“…The PM route involves processes, such as mechanical alloying and also mechanical milling of metal scraps for posterior powder compaction in a die and sintering using a furnace in high temperatures. The powder analysis for available particle size is an important factor which can affect compressibility, thus enhancing the densification and properties of the sintered products [10,[12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

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Influence of ball milling parameters on microstructure and magnetic properties of aluminum bronze chips reinforced with vanadium carbide

Dias

Silva

2021

Int J Adv Manuf Technol

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This article analyzes the influence of mechanical ball milling parameters on processed aluminum bronze chips in order to increase the efficiency of this process in terms of particles' size reduction. Also evaluated is the addition of vanadium carbide (VC) in this response, along with its microstructure and magnetic properties. The experiments have been carried out in accordance with DOE design methodology. After machined, its residues can still be reused to produce composites through powder metallurgy routes, preserving good mechanical properties without onus to the environment. The study aims to produce and characterize powders resulting from ball milling processes, identifying the influential parameters, in addition to verify its soft magnetization behavior. The powder morphologies and particle sizes underwent scanning electron microscopy (SEM), coupled with energy-dispersive spectroscopy (EDS) and laser diffraction particle analyses, respectively, in addition to phase identification via X-ray diffraction (XRD). Moreover, saturation magnetization (M s ), remanent magnetization (M r ), coercivity (H c ), and remanence-to-saturation ratio (M r /M s ) were determined through magnetic hysteresis curves obtained from a vibrating sample magnetometer (VSM). Results indicate that % VC and milling time are the main parameters to improve the milling efficiency and obtain submicrometric particles with sizes almost 800 times smaller than the initial chips. After the milling process, aluminum bronze powders presented certain amorphization, a decrease of about 24% in M s and an elevation about 81% in H c , both compared with the as cast material. The M r /M s ratio indicates a slight conservation of magnetization.

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Section: Introductionmentioning

confidence: 99%