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作者:Shadia J Ikhmayies
来源:[J].JOM(IF 0.986), 2020, Vol.72 (2), pp.628-634
摘要:Three-dimensional (3D) zinc oxide (ZnO) multilayered structures with diameters as large as 26.7 im are obtained in this work in thin-film form. The 1im-thick films are produced using the spray pyrolysis method on glass substrates at a substrate temperature of 350 ± 5°C. X-ra...
作者:Shadia J Ikhmayies
来源:[J].JOM(IF 0.986), 2020, Vol.72 (2), pp.621-627
摘要:Flower-like zinc oxide (ZnO) micro-/nano-structures are synthesized as thin films on glass substrates by the spray pyrolysis technique at a substrate temperature of 350 ± 5°C. The films are characterized using x-ray diffraction (XRD), scanning electron microscopy (SEM) and x...
作者:Pingmei Tang , Sen Wang , Huamei Duan ...
来源:[J].JOM(IF 0.986), 2020, Vol.72 (3), pp.1128-1137
摘要:Humps and ripples are typical surface morphologies obtained in the selective laser melting processes and have an important influence on the surface quality of the fabricated parts. In this study, a three-dimensional powder-scale model is presented to investigate the molten behavi...
作者:David Restrepo , Steven E Naleway , Vinoy Thomas ...
来源:[J].JOM(IF 0.986), 2020, Vol.72 (3), pp.1151-1153
摘要:Manufacturing and processing are becoming increasingly important for biomaterials, bioinspired materials, and biological materials. This includes additive manufacturing techniques such as three-dimensional (3D) printing, advanced manufacturing techniques such as freeze casting, a...
作者:Ying-Chao Zhao , Yue Tang , Ming-Chun Zhao ...
来源:[J].JOM(IF 0.986), 2020, Vol.72 (3), pp.1163-1175
摘要:The problem of the degradation rate being too slow is a key technical bottleneck to clinical applications for pure iron (Fe), a promising candidate biodegradable metal. This work used powders of pure Fe and graphene oxide (GO) to prepare Fe-xGO composites (x = 0.4 wt.%, 0.8 wt.%,...
作者:Murad Ali , M A Hussein , N Al-Aqeeli
来源:[J].JOM(IF 0.986), 2020, Vol.72 (3), pp.1186-1194
摘要:A magnesium-based metal matrix composite incorporated with 2.5 wt.% TiB2 has been fabricated using spark plasma sintering for the first time. The Taguchi design approach was used to analyze the significant influences of sintering parameters such as the temperature, pre...
作者:Zheng-Jun Shen , Yan Lin , Yan-Nan Zhang ...
来源:[J].JOM(IF 0.986), 2020, Vol.72 (2), pp.658-664
摘要:The porosity of a self-lubricating chromium-free passivation film is evaluated by means of a novel finite element model and structural parameter, λ (λ represents the porosity of passive film). The applicability of this equivalent model is validated via thin-film thermocouple...
作者:Fiseha Tesfaye , Naiyang Ma , Mingming Zhang
来源:[J].JOM(IF 0.986), 2020, Vol.72 (2), pp.764-765
作者:Won Sik Hong , Mi Song Kim , Oh Chulmin ...
来源:[J].JOM(IF 0.986), 2020, Vol.72 (2), pp.889-897
摘要:Pressureless silver (Ag) sintering was optimized at 250°C in vacuum and nitrogen gas atmosphere with silicon carbide (SiC) chips, and silicon nitride active metal-brazed substrates (AMB). A 1200-V/200-A power module was developed using a pressureless Ag-sintered live SiC met...
作者:G Ghiara , L Repetto , P Piccardo
来源:[J].JOM(IF 0.986), 2019, Vol.71 (2), pp.779-783
摘要:This work focuses on the localized forms of corrosion caused by microbiological activity, which have seldom been considered for long-term alteration processes of copper-based alloys. To reproduce a seldom-documented corrosion morphology found in some archaeological objects, calle...

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