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Relationship between distribution coefficient of lead in solution and pH value 铅离子吸附试验结果见图6,结果表明,1.00 g异极矿在浓度为5×10-5 mol/L的20 mL硝酸铅溶液中搅拌5 min后,异极矿对Pb2+的吸附率达到了96.46%,说明异极矿对Pb2+有非常强的吸附能力.相同条件下,石英对..., 蒋世鹏, 冯其明, 张佰发. 溶液体系中含锌矿物表面硫化研究[J]. 中南大学学报(自然科学版), 2017, 48(4): 851-859. ZHANG Guo-fan, JIANG Shi-peng, FENG Qi-ming, ZHANG Bai-fa. Surface sulfidization of zinc minerals in solution system[J......
Trans. Nonferrous Met. Soc. China 28(2018) 2395-2400 Strengthening mechanisms based on reinforcement distribution uniformity for particle reinforced aluminum matrix composites Gang CHEN1, Jia WAN1... Abstract: A modified mixed strengthening model was proposed for describing the yield strength of particle reinforced aluminum matrix composites. The strengthening mechanisms of the composites were analyzed......
ageing, the strengthening phase precipitates from the supersaturated solid solution (SSSS), which is formed after quenching. Generally, the precipitation sequence for Al-Mg-Si alloys is recognized... in 6A02 aluminium alloy sheets. These researchers studied the effect of solution treatment on the Vickers hardness of the formed part. The strengthening mechanism was further clarified. MA et al [9......
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experiment, optical microscope observation and Vickers hardness. The results show that the yield strength model can be established by integrating solid solution strengthening (σss), grain size...; (6) 式中:q值为2.各个合金的强化系数ks,i如表2所列[21]. 表2 各强化元素在镍中的强化系数ks,i值[21] Table 2 Strengthening coefficient ks,i value of each......
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alloy.Quantitative analysis of the strengthening contributions,showed that the solid solution strengthening,arising from a large misfit effect due to the size and modulus,and the high shear modulus of matrix...Superior mechanical properties and strengthening mechanisms of lightweight AlxCrNbVMo refractory high-entropy alloys(x = 0, 0.5,1.0) fabricated by the powder metallurgy processByungchul......
solution strengthening effect in this HEA is mainly resulted from Ti because of its large atomic radius. It can be seen that increasing the concentration of Ti may further improve the hardness... solution and precipitate strengthening, have been explored to further improve the strength of HEAs [1,2]. Substitutional solid solution strengthening in metals is usually considered to arise from the lattice......
for AlxCoCrCuFeNi MEAs [13]. These improvements of mechanical properties in FeCoNiCr- based MEAs are mainly due to the severe lattice distortion effect and solid solution strengthening from the addition of Al... increased with the content of Al element. Strengthening mechanisms in FeCoNiAlx can be summarized into several aspects, including solid-solution hardening (σss), grain-boundary hardening (σgb......
: 1-101. LU Shi-qiang. Strengthening mechanisms and hot deformation characteristics of MP159 alloy[D]. Xi’an: Northwestern Polytechnical University, 1999: 1-101. [11] ESCALAS F, GALANTE J, ROSTOKER W...): 1088-1101. [23] GRAHAM A H, YOUNGBLOOD J L. Work strengthening by a deformation-induced phase transformation in "MP alloys"[J]. Metallurgical and Materials Transactions B, 1970, 1(2): 423-430. [24......
