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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......
capability of about 2.5 times. The strengthening mechanism of the composite coatings mainly included fine-crystal grain effect, nanoparticle dispersion effect and dislocation effect. 关键词:nanoparticles...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......
the interaction between dislocation and precipitated particles inside the twinning lamellar. Key words: Ti-6Al-4V alloy; scandium; high temperature deformation; strengthening ... dislocations near grain boundary and dislocation blockings near triple grain boundaries can also be found. These are the strengthening reasons that will be summarized in next part. When the alloys of TC4......
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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......
, which results in strengthened γ/γ′ interface at elevated temperature. Key words: single crystal superalloy; γ/γ?; interface strengthening; dislocation; Re 1 Introduction The strength of single crystal... γ/γ′ interface strengthening of Re in single crystal superalloys LUO Yu-shi(骆宇时), LI Jia-rong(李嘉荣), LIU Shi-zhong(刘世忠), HAN Mei(韩 梅), CAO Chun-xiao(曹春晓) National Key Laboratory of Advanced High......
strengthening includes the load transfer from the matrix to Al11Nd3 phase and the enhancement of dislocation density due to the geometrical mismatch and thermal mismatch between the matrix and Al11Nd3 phase...Microstructure and strengthening mechanisms of Mg-6Al-6Nd alloyWU Yufenga, b, DU Wenbob, YAN Zhenjieb, WANG Zhaohuib, and ZUO Tieyonga, b a Institute of Recycling Economy, Beijing University......
-solution strengthening, dislocation strengthening, and precipitation strengthening, respectively, was confirmed as the most applicable for AISI H13 steel, which indicates a strong link between...Nanoscale precipitates and comprehensive strengthening mechanism in AISI H13 steelWen-wen Mao1,2,An-gang Ning3,Han-jie Guo1,21. School of Metallurgical and Ecological Engineering, University......
and the dislocation cells, causing the heterogeneous deformation effect and the heterogeneous strengthening effect. And the alloys present non-uniform deformation structures in the fracture surfaces and low... suggest that the dislocation induce the heterogeneous nucleation and growth of the strengthening phase. As for the opinion that the η′ phase in the 7A04 aluminum alloy heterogeneously nucleate and grow......
that dislocation structures form both in the Al2O3 grain and on the Al2O3grain boundary. 关键词:nanocomposite; mechanicai behavior; strengthening and toughening; hot-pressing; [全文内容正在添加中] ......
