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Improvement of elevated-temperature strength and recrystallization resistance via Mn-containing dispersoid strengthening in Al-Mg-Si 6082 alloysChen Li,Kun Liu,X.-Grant ChenDepartment of Applied... alloy free of Mn) to 55 MPa(alloy with 0.5% Mn) and 70 MPa(alloy with 1% Mn), respectively, demonstrating a significant dispersoid strengthening effect at elevated temperature. In addition,the dispersoids......
Modeling of whole process of ageing precipitation and strengthening in Al-Cu-Mg-Ag alloys with high Cu-to-Mg mass ratio HOU Yan-hui(侯延辉)1, 2, 3, GU Yan-xia(谷艳霞)1, 2, LIU Zhi-yi (刘志义)1, 2, LI Yun... and density of precipitates for both θ′ and Ω phases) of the alloy. The strengthening model based on Orowan mechanism was deduced. The microstructural development and strength predictions of the model......
Trans. Nonferrous Met. Soc. China 26(2016) 2793-2799 Effect of magnesium on dispersoid strengthening of Al-Mn-Mg-Si (3xxx) alloys Zhen LI, Zhan ZHANG, X-Grant CHEN Department of Applied Sciences... temperature increase with increasing Mg content. The solid solution and dispersoid strengthening mechanisms of materials after heat treatment are quantitatively analyzed. Dispersoid strengthening for the alloys......
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for applications at elevated temperature via dispersoid strengthening [J]. Mater Des, 2015, 84: 340-350. [3] LIU K, CHEN X G. Evolution of intermetallics, dispersoids, and elevated temperature properties... aluminum alloy [J]. Mater Des, 2009, 30: 2685-2692. [5] MUGGERUD A M F, M RTSELL E A, LI Y, HOLMESTAD R. Dispersoid strengthening in AA3xxx alloys with varying Mn and Si content during annealing at low......
Discrete dislocation plasticity analysis of dispersion strengthening in oxide dispersion strengthened (ODS) steelsAkiyuki Takahashi, Shota Sato(Department of Mechanical Engineering, Faculty of Science and Technology,Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba, 278-8510, Japan)Abstract:A discrete dislocation plasticity analysis of dispersion strengthening in oxide dispersion......
Properties and Strengthening Mechanism of Brush Plated Nanoparticle Reinforced Composite Coatings XU Bin-shi1,TU Wei-yi1,DONG Shi-yun1,Ma Shi-ning1 (1.National Key Laboratory for Remanufacturing.... Hardness, wear resistance and contact-fatigue resistance of the composite coatings were determined, and strengthening mechanism of the composite coatings was discussed. Results showed......
-like grain; 2) The major strengthening phase identified is T1 precipitates with less θ′ and S′; 3) Two types of dispersoid particles are also observed, including Al6Mn and Al3Zr. Table 6 Tensile... in aerospace industry, the effects of microalloying elements such as Mg, Ag, Mn and Zn on the mechanical properties of Al-Cu-Li alloys were studied. The results show that the strengthening effects of Mg+Ag......
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The Strengthening of Cu-15Ni-8Sn Alloy WANG Ming-Pu1,WANG Yan-hui1,HONG Bin1 (1.School of Material Science and Engineering, Central South University, Changsha China) 摘要:The microstructure... structure.The ordering structure includes two types of DO22 and L12 ordering. Their strengthening for the alloy is much stronger than that of spinodal decomposition. 关键词:Cu-15Ni-8Sn alloy; DO22 ordering......