Investigation of dry sliding wear properties of boron doped powder metallurgy 316L stainless steel

Uzunsoy, Deniz

doi:10.1016/j.matdes.2010.02.053

Cited by 38 publications

(13 citation statements)

References 12 publications

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“…Earlier studies reported that the presence of BNNTs favors grain enhancement in Al 2 O 3 , Si 3 N 4 , HA, and Al‐based composites . A similar microstructure has been also reported in sintered stainless steel with added boron‐containing powders . On the other hand, according to Figure , the presence of h‐BN seemingly reduced (slightly) densification, in all temperatures.…”

Section: Resultssupporting

confidence: 80%

“…17 A similar microstructure has been also reported in sintered stainless steel with added boroncontaining powders. 18 On the other hand, according to The X-ray diffractograms of the samples with 0.5 and 1.5% h-BN sintered at 1000 and 13008C, shown in Figure 3, suggest that the produced h-BN/HA composites were well crystallized. Besides the dominant peaks of HA, the peaks of the basal plane of h-BN at 308, attributed to the (002) plane of h-BN, are clearly observed.…”

Section: Densification and Crystallographic Characterizationmentioning

confidence: 94%

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Synthesis, characterization, and biological properties of composites of hydroxyapatite and hexagonal boron nitride

et al. 2017

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Hydroxyapatite (HA), obtained from bovine bones, was successfully reinforced with hexagonal boron nitrite (h-BN). h-BN/HA composites, with BN content up to 1.5 wt %, were sintered at various temperatures between 1000 and 1300°C, in air. Well-sintered samples were obtained after sintering at 1200 and 1300°C. The presence of h-BN contributed to dense, fine, and well-crystallized microstructure. The results of X-ray diffraction analysis and FT-IR spectroscopy showed that the produced composites comprised biphasic β-TCP/HCA (HCA: carbonate partially substituted HA). High values of mechanical properties were achieved, namely compression strength 155 MPa for the sample 0.5% h-BN/HA and Vickers microhardness of 716 HV for the samples 1.5% h-BN/HA, both sintered at 1300°C. U2OS human bone osteosarcoma proliferation and cell viability showed no adverse effect in the presence of h-BN/HA, suggesting the potential use of the produced materials as safe biomaterials in bone tissue engineering. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 2384-2392, 2018.

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Section: Resultssupporting

confidence: 80%

Section: Densification and Crystallographic Characterizationmentioning

confidence: 94%

Synthesis, characterization, and biological properties of composites of hydroxyapatite and hexagonal boron nitride

et al. 2017

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“…To strengthen HEAs with FCC solid solution phase, plenty of investigations have been reported concerning to address the problem: solid solution strengthening [14][15][16], nitriding [17], deformation strengthening [7,18] and annealing [19] are the methods have been used to strengthen this type of HEAs. In this study boron (B) as the minor alloying element has been selected due to following reasons; firstly, boron was nominated for its effective grain size reduction which was reported in various studies [20][21][22][23][24][25][26]. Secondly, the effects of thermomechanical treatments in the presence of boron were in a great deal of interest, and not last but least, the formation of possible M 2 B [27] and their effects on both microstructure and mechanical properties was supposed to investigate.…”

Section: Introductionmentioning

confidence: 99%

A novel medium entropy alloy based on iron-manganese-aluminum-nickel: influence of boron addition on phase formation, microstructure, and mechanical properties

Mohsen

2019

Mater. Res. Express

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A novel Medium Entropy Alloy (MEA) based on Fe-Mn-Al-Ni has been designed adopting High Entropy Alloys' (HEAs) phase formation rules, and the effects of minor boron addition on phase content and mechanical properties have been separately investigated. Boron-free Fe (52.71-x) Mn 31.11 Al 5.09 Ni 11.08 B x (x=0, 0.05, 0.2, 0.5, 0.7 wt%) MEA showed a single face-centered cubic (FCC) structure. XRD results indicated that with 0.05 and 0.2 wt% boron addition the system maintains its single-phase structure. Further boron addition led to the formation of metal boride intermetallics by the volume fractions of 4.6 and 6.1% of Fe 2 B intermetallic phase in as-cast and 2.7 and 5.4% in Deformed and Heat-treated (D&H) samples according to Rietveld analysis for 0.5 and 0.7 wt% boron doped alloys, respectively. Boron addition had a positive effect on grain size reduction of the system where just by 0.05 wt% boron addition the grain size has been almost halved compared to boron free as-cast sample. Moreover, it was observed that as the boron level increases, the hardness value increases. With in the all samples subjected to thermomechanical process, 0.7wt % boron doped alloy showed the best yield strength (increasing by ∼50%, from 151 MPa to 222.5 MPa) and ultimate tensile strength (increasing by ∼15%, from 476 MPa to 543 MPa) compared to undoped MEA at comparable ductility (ε>60%).

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“…Moreover, it is possible to obtain a material whose properties have lesser decrease in ductility and impact toughness as the boron content increases compared with similar boron-containing cast/wrought borated stainless steels. The application of boron in powder metallurgy as addition to ferrous alloys has been of interest to numerous researchers over the last years [3][4][5][6][7][8][9][10][11][12]. The main cause of this interest is the eutectic reaction between iron and boron, resulting in the appearance of a liquid phase which efficiently improves mass transport by intensifying a diffusion process [7].…”

Section: Introductionmentioning

confidence: 99%

In Situ Formation of TiB2 in Fe-B System with Titanium Addition and Its Influence on Phase Composition, Sintering Process and Mechanical Properties

et al. 2019

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Interaction of iron and boron at elevated temperatures results in the formation of an E (Fe + Fe 2 B) eutectic phase that plays a great role in enhancing mass transport phenomena during thermal annealing and therefore in the densification of sintered compacts. When cooled down, this phase solidifies as interconnected hard and brittle material consisting of a continuous network of Fe 2 B borides formed at the grain boundaries. To increase ductile behaviour, a change in precipitates' stoichiometry was investigated by partially replacing iron borides by titanium borides. The powder of elemental titanium was introduced to blend of iron and boron powders in order to induce TiB 2 in situ formation. Titanium addition influence on microstructure, phase composition, density and mechanical properties was investigated. The observations were supported with thermodynamic calculations. The change in phase composition was analysed by means of dilatometry and X-ray diffraction (XRD) coupled with thermodynamic calculations. 235 maximum force (Figure 9a,b) and hence, the TRS as well (Figure 9c). Other additions of titanium (A 236 and B) show intermediate states-samples with 0.47 wt % titanium addition (A) show a decrease of

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Investigation of dry sliding wear properties of boron doped powder metallurgy 316L stainless steel

Cited by 38 publications

References 12 publications

Synthesis, characterization, and biological properties of composites of hydroxyapatite and hexagonal boron nitride

Synthesis, characterization, and biological properties of composites of hydroxyapatite and hexagonal boron nitride

A novel medium entropy alloy based on iron-manganese-aluminum-nickel: influence of boron addition on phase formation, microstructure, and mechanical properties

In Situ Formation of TiB2 in Fe-B System with Titanium Addition and Its Influence on Phase Composition, Sintering Process and Mechanical Properties

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