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, the austenite strengthening is one of the key factors to improve SME. Key words: FeMnSiCrNi; shape memory effect; corrosion resistance; copper; austenite strengthening strengthening the austenite to improve yield strength is one of the key factors correlative with the shape memory recovery of Fe-Mn-Si based SMAs. References [1] SATO A, SOMA......
收稿日期:2000-01-23 Strengthening and toughening of AA1100 aluminum foil Abstract: The effects of homogenizing, middle and final annealing processes on strength...% and the best strengthening and toughening effect of this foil is achieved by adopting 560 ℃, 16 h homogenizing and 230~260 ℃, 1 h final annealing. The strengthening and toughening mechanism......
strengthening of magnesium alloys. Key words: Mg-Zn-Y quasicrystals; AZ91 alloy; mechanical properties; composite strengthening 1 Introduction At present, composite strengthening is one of the most... for composite strengthening of magnesium alloys. 2 Experimental Initially, AZ91 magnesium mother melt was prepared by induction melting with magnesium (99.9%, mass fraction), aluminum (99.9%), zinc......
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......
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......
Trans. Nonferrous Met. Soc. China 30(2020) 2650-2657 Microstructure modification and precipitation strengthening for Mg-6Zn-1Mn-4Sn-0.5Ca through extrusion and aging treatment Xia CHEN1,2, Ding-fei... be attributed to the precipitation strengthening of β' phase. Key words: Mg-6Zn-1Mn-4Sn-0.5Ca; extrusion; aging; microstructure; precipitation strengthening 1 Introduction Magnesium (Mg) alloys have become......
Trans. Nonferrous Met. Soc. China 24(2014) 641-647 Strengthening contributions in ultra-high strength cryorolled Al-4%Cu-3%TiB2 in situ composite N. NAGA KRISHNA, K. SIVAPRASAD, P. SUSILA Advanced... August 2013 Abstract: Ultra-high strength Al alloy system was developed by cryorolling and the contribution of various strengthening mechanisms to the overall yield strength of the system was evaluated......
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and discussed. Based on the experimental results, the relationships between the strength increase and microstructure development during the cold wire drawing were studied to reveal the strengthening... strength wires. Furthermore, formation process of the best microstructure for producing the ultra-high strength wires was also discussed. Key words: lamellar composite; strengthening mechanism; wire......
of mineral substrate with Cu2+ can accelerate the leaching process of marmatite by galvanic effect. The strengthening mechanism of Fe2+ and Fe3+ ions on the marmatite bioleaching are consistent...; bioleaching; strengthening action 生物浸矿技术作为从低品位, 复杂多金属矿物中回收有价金属的重要方法, 具有成本低, 操作简单和对环境友好等优点, 因而受到广泛关注. 目前, 虽然生物浸矿技术已经在低品位硫化矿中浸出铜, 铀和预处理难冶炼金矿等[1-3]得到了广泛应用, 但依然存在浸出周期长, 浸出效率低等问题. 为了加快硫化矿的生物浸出速率和缩短......
