Carbon nanotubes/hydroxyapatite nanocomposites fabricated by spark plasma sintering for bonegraft applications by Cui, Fuzhai, Wang, Wei, Zhu, Yuhe, Watari, Fumio, Liao, Susan, Yokoyama, Atsuro, Omori, Mamoru, Ai, Hongjun

“…The bulk density of the MWCNTs/HA composites was increased by the addition of HA. However, the Vickers hardness, porosity, Young's modulus, flexure strength and compression strength of the MWCNTs/HA composites were decreased with increasing content of HA. …”
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Deposition of TiC film on titanium for abrasion resistant implant material by ion-enhanced triode plasma CVD by Zhu, Yuhe, Wang, Wei, Jia, Xingya, Akasaka, Tsukasa, Liao, Susan, Watari, Fumio

“…Carbide layer of about 6 μm thickness was observed on the cross section of the specimen by scanning electron microscopy (SEM). The Vickers hardness of surface carbide was more than 2000, which confirmed its high abrasion resistance.…”
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Characterisation of porosity, density, and microstructure of directed energy deposited stainless steel AISI 316L by Tan, Eddie Zhi’En, Pang, John Hock Lye, Kaminski, Jacek, Pepin, Helene

“…The element composition and Vickers microhardness measurements were taken at the fusion lines and track body locations to characterise the differences in materials and mechanical properties at the 2 locations. …”
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Comparison study on additive manufacturing (AM) and powder metallurgy (PM) AlSi10Mg alloys by Chen, Biao, Moon, Seung Ki, Yao, Xiling, Bi, Guijun, Shen, Jianghua, Umeda, Junko, Kondoh, Katsuyoshi

“…Room-temperature tensile tests and Vickers hardness measurements were performed to characterize the mechanical properties. …”
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Hard polycrystalline eutectic composite prepared by spark plasma sintering by Grasso, Salvatore, Bogomol, I., Nishimura, T., Sakka, Y., Loboda, P., Vasylkiv, O.

“…XRD analysis revealed that the eutectic B4C–TiB2 composite consist mainly of B4C and TiB2 phases. The measured Vickers hardness was in the range of 32.35–54.18 GPa and the average fracture toughness of the samples was as high as 4.81 MPa m1/2. …”
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Consolidation of B4C-TaB2 eutectic composites by spark plasma sintering by Demirskyi, Dmytro, Sakka, Yoshio, Vasylkiv, Oleg

“….% TaB2 obtained by SPS exhibited lower Vickers hardness (25–26 GPa) but higher indentation fracture toughness (up to 4.9 MPa m1/2) than eutectic composites with 30–35 mol.% of TaB2.…”
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Laser powder bed fusion of titanium-tantalum alloys : compositions and designs for biomedical applications by Huang, Sheng, Sing, Swee Leong, de Looze, Geoff, Wilson, Robert, Yeong, Wai Yee

“…The mechanical properties of the alloys were investigated with tensile and Vickers hardness tests. To ascertain the suitability of these alloys as biomaterials, Ti50Ta scaffolds with 60% porosity were characterized biologically. …”
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Effect of aluminum on the friction and wear behavior of AlₓCrFeNi medium-entropy alloys by Qiao, Ling, Ramanujan, Raju V., Zhu, Jingchuan

“…A higher volume fraction of the BCC phase with increasing Al content favors spinodal decomposition. The Vickers microhardness increases from 345HV (x = 0.3) to 486HV (x = 1.2) with increasing Al content; a nanohardness size effect is revealed by nanoindentation tests. …”
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Aluminium-carbon nanotubes composites produced from friction stir processing and selective laser melting by Du, Zhenglin, Wei, Jun, Tan, Ming Jen, Guo, Jun Feng

“…Very fine grains were successfully achieved in both methods with high Vickers hardness values. Cavities were present in selective laser melting of AlSi10Mg reinforced with multi-wall carbon nanotubes parts resulting in higher stress concentration brittle fracture appearance. …”
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Consolidation of B4C–VB2 eutectic ceramics by spark plasma sintering by Demirskyi, Dmytro, Sakka, Yoshio, Vasylkiv, Oleg

“….% VB2 exhibited a lower Vickers hardness (23–24 GPa) and higher indentation fracture toughness (up to 4.5 MPa·m1/2) than the eutectic composites with 48 mol.% of VB2.…”
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Microstructural response and strain hardening in deep cold rolled nickel-based superalloy for aerospace application by Kumar, Dharmesh, Idapalapati, Sridhar, Wei, Wang

“…After DCR process, a deep layer of compressive residual stress up to 1mm was observed, which agrees well with the depth profile of Vickers micro-hardness. Statistical analysis of Grain Orientation Spread (GOS) in the Electron Back Scattered Diffraction (EBSD) map also shows the presence of strain hardening layer after the DCR process. …”
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B6O ceramic by in-situ reactive spark plasma sintering of a B2O3 and B powder mixture by Sakka, Yoshio, Badica, Petre, Vasylkiv, Oleg, Solodkyi, Levgen, Borodianska, Hanna, Zhao, Ting

“…As-prepared B6O dense ceramic has Vickers hardness (36.7 ± 1.2 GPa) and fracture toughness (K1c = 4.2 ± 0.15 MPa.m1/2) comparable with the highest values reported in literature for the bulks obtained by processing routes of already reacted B6O powders (ex-situ routes).…”
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Microstructural heterogeneity and property variations in cast and vacuum hot-pressed CoCrPtB alloy by Li, Yan, Guan, Weiming, Wen, Ming, Guo, Junmei, Chen, Ze, Wang, Chuanjun

“…This investigation delved into the interconnection between the secondary dendrite arm spacing (SDAS) in the as-hot-pressed samples and their corresponding attributes, specifically Vickers hardness and magnetic properties. Systematic sampling was conducted on the cross-sectional layer and longitudinal surface. …”
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Mechanical and Tribological Properties of Cold-Sprayed Ti Coatings on Ti-6Al-4V Substrates by Khun, Nay Win, Tan, Adrian Wei Yee, Liu, Erjia

“…The hardness of the Ti coatings was measured using a Vickers micro-indenter. It was found that the thicker Ti coatings had higher hardness probably due to the better uniformity and higher density of the coatings. …”
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High hardness BaCb-(BxOy/BN) composites with 3D mesh-like fine grain-boundary structure by reactive spark plasma sintering by Borodianska, Hanna, Grasso, Salvatore, Badica, Petre, Vasylkiv, Oleg, Sakka, Yoshio, Su, Liap Tat, Bosman, Michel, Ma, Jan, Tok, Alfred Iing Yoong

“…For an optimum hexagonal BN (h-BN) content estimated from X-ray diffraction measurements at ∼0.4 wt%, the as-prepared B a C b -(B x O y /BN) ceramic shows values of Berkovich and Vickers hardness of 56.7 ± 3.1 GPa and 39.3 ± 7.6 GPa, respectively. …”
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Bulks of Al-B-C obtained by reactively spark plasma sintering and impact properties by Split Hopkinson Pressure Bar by Vasylkiv, O., Borodianska, H., Demirskyi, D., Li, Peifeng, Suzuki, T. S., Grigoroscuta, M. A., Pasuk, I., Kuncser, A., Badica, P.

“…Namely, the highest values of the Vickers hardness (32.4 GPa), dynamic strength (1323 MPa), strain and toughness were determined for the samples with R = 1.3, i.e., for the samples with a high amount of AlB24C4. …”
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Geometric influence of the laser-based powder bed fusion process in Ti6AL4V and AlSi10Mg by Chua, Zhong Yang, Moon, Seung Ki, Jiao, Lishi, Ahn, Il Hyuk

“…The samples are systematically evaluated by the optical microscope and the Vickers hardness tester. Microstructural characterisation of these samples is further evaluated via scanning electron microscopy. …”
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