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采用美国热电ARL9800XP+型 X 射线荧光光谱仪(XRF)对原尾矿料进行元素种类定性及半定量分析;采用电感耦合等离子体原子发射光谱法(ICP-AES)对原尾矿料,酸浸矿料和产物中所含主要元素进行定量分析;采用X'Pert3 Powder型多功能X-射线衍射仪(XRD,荷兰帕纳科公司,Cu靶,λ=1.54056 )分析样品的晶相结构,测试扫描步长为0.02626°,扫描速度为0.6565......
groups with various degrees of success [25-29]. Using a similar argument, nanosized second-phase particles were also introduced into the UFG microstructures by powder metallurgy [30-32] or breakdown......
by icosahedral quasicrystalline particles [J]. Acta Materialia, 2002, 50: 2343-2356. https://doi.org/10.1016/S1359-6454 (02) 00067-8. [10] KAWAMURA Y, HAYASHI K, INOUE A, MASUMOTO T. Rapidly solidified powder......
, Central South University,Changsha 410013, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China Central South University Press and Springer-Verlag GmbH......
] TANG C H, CHENG F T, MAN H C. Laser surface alloying of a marine propeller bronze using aluminium powder[J]. Surface and Coatings Technology, 2006, 200(8): 2602-2609. [47] MAJUMDAR J D, MANNA I......
hydroxides layers [J]. RSC Advances, 2018, 8: 22-48. [22] BESTETTI M, CAVALLOTTI P L, DA FORNO A, POZZI S. Anodic oxidation and powder coating for corrosion protection of AM60B magnesium alloys [J......
-containing waste residue by mechanical activation of zero-valent iron powder[D]. Changsha: Central South University, 2015. [53] 李阳文君. 铁基复合材料稳定含砷废渣的研究[D]. 长沙: 中南大学, 2017. LI Yang-wen-jun. Study......
of metal powder in high velocity compaction by using discrete element method[J]. Journal of Mechanical Engineering, 2018, 54(10): 85-92. Simulation on evolution characteristics of force chain in granular......
and mechanical properties of RS/PM (rapid solidification and powder metallurgy) AZ91 alloy[J]. Journal of Alloys and Compounds, 2009, 470(1): L17-L20. [44] MATSUBARA H, ICHIGE Y, FUJITA K, et al. Effect......
基本相符. 图4 辉钼精矿在873 K氧气气氛中焙烧20 min后获得的针状产物的形貌和XRD谱 Fig. 4 Powder micrograph(a) and XRD pattern(b) of needle-like product obtained by roasting molybdenite concentrate at 873 K for 20 min 图5... Industry, 2010, 34(5): 28-31. [17] WANG L, ZHANG G H, SUN Y J, et al. Preparation of ultrafine β-MoO3 from industrial grade MoO3 powder by the method of sublimation[J]. The Journal of Physical Chemistry C......