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Trans. Nonferrous Met. Soc. China 24(2014) s125-s128 Effect of electrolyte on mechanical properties of AZ31B Mg alloy in electrolytic plasma processing Byung Hyun AHN1, Jung Il SONG2, Bon Heun KOO1 1... properties of AZ31B Mg alloys can be enhanced by the proper selection of electrolyte agent. Key words: AZ31B Mg alloy; surface treatment; electrolytic plasma processing 1 Introduction Magnesium and its......
; 所列. 表1 实验所用AZ31B镁合金的化学成分 Table 1 Chemical composition of AZ31B Mg alloy (mass fraction, %) 原始板坯经过430 ℃,2 h的均匀化退火后,电火花切割成d10 mm×6.5 mm的圆柱,样品截取方法如图1所示.压缩变形试验在Gleeble 1500热模拟机上进行,压...看出,实验所用AZ31B镁合金基本为等轴晶组织,晶粒大小为25 μm左右;均匀化处理后,AZ31B镁板具有较强的基面织构(轴密度参量为2.18),这对后续的压缩变形有重要影响. 图2 均匀化处理后AZ31B镁合金的金相组织 Fig.2 Optical microstructure of AZ31B Mg alloy after homo......
and properties of AZ31B Mg alloy sheets at different annealing temperatures and time were investigated. The result shows that the recrystallization temperature of Mg roll-casting sheet with the compound energy... are respectively improved by 4.7%, 17.2%, 34.1% and 74.6%.Key words:compound energy-field; AZ31B Mg alloy; annealing; roll-casting; properties......
温度较低时(170 ℃)(见图8(a)),合金晶粒沿拉深方向伸长,晶粒呈现长条形,有较多的孪晶和少量的动态再结晶晶粒在晶界和"三叉点"处出现;在195 ℃成形时,在 图7 铸轧AZ31B镁合金在不同温度下的LDR Fig.7 LDR of TRC AZ31B Mg alloy at various temperatures 大晶粒周围出现了越来越多的细小等轴晶,变...变形;温热拉深;极限拉深比 中图分类号:TG 146 文献标志码:A Deep drawing of twin-roll cast AZ31B Mg alloy sheets at warm temperatures by pre-forming LIU Zhi-min, XING Shu-ming, BAO Pei-wei, LI......
of combining energy-field Mg sheet are all higher than those of the normal Mg sheet. Key words: AZ31B Mg alloy; combining energy-field; dynamic recrystallization; texture 镁合金板带具有低密度,高比强度和比刚度及优良的阻尼性能及电磁屏蔽性能..., et al. Effect of annealing process on microstructure and properties of roll-casting AZ31B Mg alloy sheet[J]. Procedia Engineering, 2012, 27: 895-902. [15] 曾荣昌, 韩恩厚, 刘路, 等. 轧制组织对镁合金AM60疲劳性能的影响[J]. 材料研究学......
extrusion compared with the monolithic magnesium. Therefore, the wear rate was found to be less in the case of nano-composite compared with AZ31B Mg alloy. Fig. 5 Protruded layers on pin surface... Trans. Nonferrous Met. Soc. China 22(2012) 60-65 Sliding wear behaviour of AZ31B magnesium alloy and nano-composite M. SRINIVASAN1, C. LOGANATHAN2, M. KAMARAJ3, Q. B. NGUYEN4, M. GUPTA4, R......
75HV0.05,明显高于基体的显微硬度45HV0.05;Cu-Ni合金层比AZ31B镁合金基体的腐蚀电位正移317 mV,腐蚀电流降低78 mA/cm2,耐蚀性也得到较大改善. 关键词:AZ31B镁合金;Cu-Ni合金层;激光熔覆;耐磨性;耐蚀性 中图分类号:TG 174.44 文献标志码:A Laser cladding Cu-Ni alloy... AZ31B镁合金的化学成分 Table 1 Chemical composition of AZ31B (mass fraction, %) 表2 Ni60合金粉末的化学成分 Table 2 Chemical composition of Ni60 alloy powder(mass fraction, %) 试验前,用粗砂纸去除镁合金板......
Deformation behavior and microstructure transformation of AZ31B Mg alloy under high strain rate compressionSHEN Li-quan1,2,YANG Qi3,JIN Li1,2,DONG Jie1,2(1. School of Materials Science and Engineering... mechanical properties.Key words:AZ31B Mg alloy; high strain rate; compression deformation; microstructure; dynamic recrystallization......
623 K以上的各种应变速率下,AZ31B镁合金易变形. 关键词:AZ31B镁合金;热压缩变形;流变应力;组织演变 中图分类号:TG146.2 文献标志码:A Hot-compressive deformation behavior of semi-continuous cast AZ31B magnesium alloy YU Kun... at the temperature above 623 K. Key words: AZ31B magnesium alloy; hot-compressive deformation; flow stress; microstructure evolution 半连续铸造(SC)获得AZ31B镁合金铸锭进行热轧加工是目前最常采用的一种镁合金板材的热加工方式.经过热轧变形的镁合金比一般压铸等其它工艺生......
键词:AZ31B镁合金板;快速气压胀形;壁厚分布;组织演变 中图分类号:TG146. 22 文献标志码:A Quick gas blow forming behavior of AZ31B magnesium alloy sheet WANG Gang, WANG Jian-long, ZHANG Tuo-da, ZHANG Zhi... the microstructure at different temperatures. Key words: AZ31B magnesium alloy sheet; quick gas blow forming; thickness distribution; microstructure evolution 轻量化是航空,航天,汽车等领域的发展趋势,镁合金必将大量代替铝合金及其它材料,随着镁合......