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, MAO Ping-li, WANG Rui-feng, et al. Influence of pre-twinning on high strain rate compressive behavior of AZ31 Mg alloy rolling sheet[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(3): 649-658... strain rates[J]. Acta Materialia, 2010, 58(8): 2988-2998. [4] DUDAMELL N V, ULACIA I, GALVEZ F, et al. Twinning and grain subdivision during dynamic deformation of a Mg AZ31 sheet alloy at room......
Trans. Nonferrous Met. Soc. China 31(2021) 2287-2306 Corrosion and wear resistance of AZ31 Mg alloy treated by duplex process of magnetron sputtering and plasma electrolytic oxidation Bing-jian WEI..., the wear performance of the coatings on AZ31 Mg alloy in Ref. [30] is still inferior to that of the PEO coatings on an Al-Cu-Li alloy formed in a moderate concentrated aluminate electrolyte, which......
of AZ31 Mg alloy[J]. Acta Materialia, 2013, 61: 5966-5978. [16] 毛萍莉, 于金程, 刘 正, 董 阳, 席 通. 挤压态Mg-Gd-Y镁合金动态压缩力学性能与失效行为[J]. 中国有色金属学报, 2013, 23(4): 889-897. MAO Ping-li, YU Jin-cheng, LIU Zheng, DONG Yang, XI... of static recrystallization for 90° sample are delayed during the recrystallization annealing process. Key words: AZ31 magnesium alloy; cold forging; static recrystallization; texture 镁合金具有密度低,比强度和比刚度高,弹性......
, intermetallic compounds) of the substrate alloys [37]. The Mn-P coating on AZ91D alloy is prepared at 80 °C [40]. The Mo-P coating formed on AZ31 magnesium alloys consists of mixed phases of Mg(OH)2... resistance than the Zn-P coating on the AZ31 magnesium alloy. The formation and corrosion resistance of Zn-Ca-P coating are significantly influenced by its microstructure and the chemical composition of Mg-Al......
film based on fluorinated AZ91D magnesium alloy [J]. Corros Sci, 2008, 50: 2304-2309. 镁合金AZ31无铬无氟无亚硝酸盐磷化膜的制备及耐蚀性能 崔学军1, 2,刘春海1, 2,杨瑞嵩1, 2,李明田1, 2,林修洲1, 2,龚 敏1, 2 1. 四川理工学院 材料腐蚀与防护四川省重点实验室,自贡 643000； 2...Trans. Nonferrous Met. Soc. China 22(2012) 2713-2718 Phosphate film free of chromate, fluoride and nitrite on AZ31 magnesium alloy and its corrosion resistance CUI Xue-jun1, 2, LIU Chun-hai1, 2, YANG......
变形过程中孪生,动态再结晶和织构的相互作用；计算滑移系和孪生的斯密特因子用以分析各变形机制开启的先后次序,从而分析孪生和滑移对织构演变的影响. 1 实验 挤压态AZ31镁合金的成分为3.19%Al,0.81%Zn,0.33%Mn,其余为Mg(质量分数).将挤压态AZ31镁合金沿挤压方向车成d 8 mm×12 mm的圆柱并在100 kN servo-hydraulic MTS型试验机上进...2,仅有少量基面平行于ED方向的织构.当应变量增至-0.7时,其主要织构类型为基面垂直于ED方向的(0001)和(0001)织构. 图3 温度为350 ℃,应变速率为0.3 s-1,不同应变量下挤压态镁合金的宏观织构演变图 Fig. 3 Texture evolution of deformed Mg alloy at 350 ℃ and strain rate......
%Zn,0.33%Mn,其余为Mg(质量分数).采用到温入炉的方式,将镁合金板坯放至420 ℃的电阻炉中固溶处理12 h,然后取出水冷.将固溶处理后的镁合金板坯加工成123 mm×50 mm×10 mm的轧制坯料,在d 200 mm×d 200 mm的轧机上对AZ31镁合金进行预变形,变形工艺为:预变形温度300 ℃,保温15 min,轧辊转速20 r/min,变形量为10%.其预变形后的组织如图1所示.最....冲击实验后,沿着圆柱面中心切取样品进行金相观察. 图1 预变形后AZ31镁合金的组织 Fig. 1 Microstructure of AZ31 magnesium alloy after pre-deformation 2 结果与讨论 2.1 流变行为 图2 不同变形条件下预变形AZ31镁合金的流变应力 Fig. 2 ......
stress-strain curves of AZ31 magnesium alloy at different strain rates: (a) 1.0×10-3 s-1; (b) 1.0×10-1 s-1 2.2 动态试验结果分析 图2所示为高应变速率(5.0×103 s-1)下AZ31镁合金典型的应力-应变曲线.由于在试验过程中控制试样的变形,图中曲线的最大应变点试样并... 应变速率为5.0×103 s-1时AZ31镁合金塑性流动应 力-应变曲线 Fig.2 True stress-strain curves of AZ31 magnesium alloy at strain rate of 5.0×103 s-1 图3 应变速率为1.2×104 s-1时AZ31镁合金塑性流动应 力-应变曲线 Fig.3 ......
Trans. Nonferrous Met. Soc. China 24(2014) 2507-2515 Effects of welding current on properties of A-TIG welded AZ31 magnesium alloy joints with TiO2 coating Jun SHEN, Da-jun ZHAI, Kai LIU, Zhong-ming...-morphology, microstructure and mechanical properties of tungsten inert gas (TIG) welded AZ31 magnesium alloy joints with TiO2 coating were investigated. The results showed that the increase of welding......
of the Al-5C master alloys. For grain refinement tests, commercially pure Mg (>99.9%), Al (>99.9%), Zn (>99.9%) and Mg-4.5Mn master alloy were used for preparing AZ31 alloy in a magnesia... or Al2OC particles have not been found in AZ31 alloy as expect. In recent years, it had been reported that carbon inoculation cannot refine the binary Mg-Al alloy containing more than 3% Al (no Mn......
