Results 161 to 170 of about 3,335 (207)
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Constitutive modeling of hot deformation behavior of H62 brass
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2011Abstract The hot deformation behaviors of H62 brass are investigated by isothermal compression tests on a Gleeble 1500 thermal-mechanics simulator in the temperature range of 650–800 °C and the strain rate range of 0.01–10 s −1 . Most of the stress–strain curves exhibit a single peak stress, indicating a typical dynamic recrystallization (DRX ...
Yan-Hong Xiao, Cheng Guo, Xiao-Yan Guo
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Effects of Grain Refiner and Cooling Rate on Solidification Structure of H62 Brass
Advanced Materials Research, 2013In this paper, effects of different grain refiners on solidification structure of H62 brass under different cooling rates were investigate by macro corrosion, SEM and EDX analyses. Results of experiments indicate that the columnar crystal zone of H62 brass is completely eliminated and the grain size is reduced remarkably by 0.01%B.
Zheng Hua Guo
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Fabrication of superhydrophobic surface with enhanced corrosion resistance on H62 brass substrate
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2020Abstract Corrosion protection of metals plays an important role in developing economy. Inspired by the lotus leaf in nature, superhydrophobic surfaces with excellent water-repellent properties has great potential to solve corrosion problem. Herein, superhydrophobic surfaces with improved anticorrosion performance were achieved on H62 brass.
Qiaoxin Zhang
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Equivalent strain, microstructure and hardness of H62 brass deformed by constrained groove pressing
Computational Materials Science, 2011Constrained groove pressing (CGP) has been developed to refine grain sizes, and in most cases is conducted under partially constrained conditions. Here we report the first investigation of the Von Mises equivalent strain and its distribution in samples subject to CGP under partially constrained conditions.
Kaiping Peng, Leon L Shaw
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Friction and Wear Properties of H62 Brass Subjected to Laser Shock Peening
Guangxue Xuebao/Acta Optica Sinica, 2018段海峰 Duan Haifeng +2 more
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Atmospheric corrosion of tin coatings on H62 brass and T2 copper in an urban environment
Engineering Failure Analysis, 2022Dengke Li, Tangqing Wu
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Metabolism of glycolic acid by Azotobacter chroococcum PRL H62
Canadian Journal of Microbiology, 1973When Azotobacter chroococcum grows on glycolic acid as sole C source, it cannot utilize N2 and must be provided with reduced nitrogen. Glycolic acid is metabolized via Kornberg's dicarboxylic acid cycle. The TCA cycle enzymes are low in activity, and isocitric dehydrogenase is absent.
Kurz, W. G. W., LaRue, T. A. G.
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Wear-resistant reinforcement of welds formed by H62 filler material
Welding in the World, Le Soudage Dans Le MondeBojiang Ma
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Experimental Study of Micro Deep Drawing for H62 Brass
Key Engineering Materials, 2011In this paper, the influence of grain size and blank hold force on micro deep drawing stress and displacement are studied by self-made device. The results show that drawing stress decreases and elongation rate increases with the increase of grain size, the concentrated force area of cylinder-shaped part is transferred from the area punch fillet to die ...
Guang Hua Lu +3 more
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Experiment Research on Grinding Temperature of Micro-Grinding H62
Advanced Materials Research, 2013The thermocouple temperature measurement method was adopted to measure the surface temperature in micro-grinding experiment. According to the different grinding depth, the appropriate processing parameters were chosen to find out the temperature field distribution on the surface and in different depth of subsurface.
Ya Dong Gong +5 more
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