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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......
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[J]. Materials and Design, 2000, 21: 191-198. [5]Zwilsky K M, Grant N J. Dispersion strengthening in the copper-alumina system [J]. Transactions of the Metallurgical Society of AIME, 1961, 221: 371...Influence of annealing treatment on properties and microstructures of alumina dispersion strengthened copper alloy SONG Ke-xing(宋克兴)1, 2, XING Jian-dong(邢建东)1, TIAN Bao-hong(田保红)2,LIU Ping(刘 平......
Effect of cold rolling on properties and microstructures of dispersion strengthened copper alloys GUO Ming-xing(郭明星)1, WANG Ming-pu(汪明朴)1, SHEN Kun(申 坤)1, CAO Ling-fei(曹玲飞)2, LEI Ruo-shan(雷若姗...; Abstract: Mechanical properties and microstructures of unidirectionally and tandem rolled alumina dispersion strengthened copper(ADSC) alloys under different......
98.22% to 98.63% when the content of TiC is 0.3% after sintered at 1300 ℃. In summary, the addition of TiC can play a good role in grain refinement and dispersion strengthening. Key words: W-Cu composites; TiC; dispersion strengthening; fine grain strengthening Foundation item: Project(2017YFBO306002) supported by the National Basic Research Development Program of China Received date: 2019-06-10......
strengthening of Al solid soluted in Mg-Al matrix and grain refinement strengthening, dispersion strengthening, and composite strengthening brought by the precipitation of Al11Nd3 phase. The composite...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......
particles is a promising method to improve the mechanical properties of Mo alloys. Key words: Mo-Al2O3 alloys; hydrothermal synthesis; interface; compression test; dispersion strengthening 1... of Mo alloys [1]. Indeed, a considerable amount of research on this topic has been conducted in recent decades [11,12]. Dispersion strengthening by doping with oxides can effectively improve......
diffusion. Key words: copper alloys; alumina dispersion strengthened alloy; high temperature mechanical behavior; creep behavior; fracture; strengthening mechanism 1 Introduction Alumina dispersion... deformation occurs between the alumina particles and the matrix copper, which would cause stress concentration. At room temperature, the strengthening effects of dispersion strengthened alloys are mainly......
, SCATTERGOOD R O. The effect of dislocation self-interaction on the orowan stress[J]. Philosophical Magazine, 1973, 28(6): 1241-1263. [29] RUSSELL K C, BROWN L M. A dispersion strengthening model based...: 111-120. Strengthening model and thermal stability of anoxide dispersion strengthened alloy with bimodal size distribution of grains ZHAN Xin1, 2, WANG Guo-wei1, 2, TAN Li-ming1, 2, HE Wu-qiang1, 2......