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Comparison of microstructure and properties of AZ31 Mg alloy sheet produced through different routes LUO Jin-ru(罗晋如)1, CHEN Xing-pin(陈兴品)2, XIN Ren-long(辛仁龙)2, HUANG Guang-jie(黄光... words: AZ31 Mg alloy; texture; mechanical property; anisotropy ......
验 实验材料为厚度为5 mm 的AZ31镁合金挤压板材,其成分为(质量分数,%):Al,2.95；Zn,0.86；Mn,0.33；余量为Mg.其室温抗拉强度为275 MPa,屈服强度为183.5 MPa,断后伸长率为22.7%. 疲劳实验设备为SDS-100电液伺服疲劳试验机并配备腐蚀箱,疲劳加载频率f为10 Hz,应力比r为0.1.实验环境为3.5% NaCl溶液(模拟海洋环境),与空气(相对湿...合金腐蚀试验过程中声发射波形频率主要集中在80~300 kHz范围内,峰值频率约为180 kHz. 图1 AZ31镁合金在3.5% NaCl溶液中静置一段时间后的声发射波形图 Fig. 1 AE waveform of AZ31 magnesium alloy after etching in 3.5% NaCl solution for a period of time......
, and elongation are increased by 6.35%, 15.30%, and 7.88%, respectively, while the AZ31 alloy does not exhibit significant hardening behavior over the aging period. Key words: AZ80 Mg alloy; AZ31 Mg alloy... illustrating the micro- structures of the AZ31 alloy in as-received condition and aged conditions are shown in Fig.2. The solution-treated texture is oversaturated by α-Mg solid solution. No obvious β......
be found on the Mg alloy profiles in bending process. In this work, the springback characteristics of AZ31 profile in warm tension-rotation bending process were investigated. The bending experiments..., Tian Fang, Zhang Yu-jing, Zhou Xiao-jie, Chen Jia. Structure evolution of AZ31 Mg alloy sheet during bidirectional cyclic bending at low temperature and subsequent annealing [J]. Acta Metallurgica......
resistance of CaAl-LDH film on AZ31 magnesium alloy[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(2): 298-309. DOI: 10.11817/j.ysxb.1004.0609.2020-39653 镁合金具有很多优异的力学性能,如低密度,高比强度,良好的铸造加工性能等,而...描电子显微镜(SEM),能谱仪(EDS),电化学阻抗(EIS)和极化测试等手段研究了水热反应温度对CaAl-LDH膜层结构和耐蚀性的影响,探讨了水热反应下CaAl-LDH膜层的生长机理. 1 实验 1.1 膜层制备 实验材料选用AZ31镁合金(元素成分(质量分数):Al 3.0%,Zn 0.9%,Mn 0.4%,Ca 0.04%,余量为Mg),切割成尺寸为30 mm×20......
.如图9(d)所示,400 ℃电场退火样品中强点在<>,强度值为2.8,与非电场退火样品的强点位置(如图9(c)所示)的f角相差11?. 图9 AZ31镁合金在不同温度下非电场和电场退火样品的ODF截面图 Fig.9 ODF figures of AZ31 Mg alloy after annealing with or without electric...,增加了退火织构的漫散度. 关键词:AZ31镁合金；织构；动态再结晶；挤压比；挤压温度；电场退火 中图分类号:TG 146.22 文献标识码:A Effect of extrusion and annealing technology on microstructure and texture of AZ31 magnesium alloy......
Grain refining and property improvement of AZ31 Mg alloy by hot rolling MIAO Qing(苗 青), HU Lian-xi(胡连喜), SUN Hong-fei(孙宏飞), WANG Er-de(王尔德) School of Materials Science and Engineering...; Abstract: Hot rolling of AZ31 Mg alloy was performed by using as-cast alloy ingot as the starting material......
式. 1 实验 实验材料采用经过固溶处理的AZ31半连续铸 造镁合金,成分为Al 2.8%~3.2%,Mn 0.2%~1%, Zn 0.8%~1.2%,w(Si)≤0.05%,w(Cu)≤0.05%, w(Ni)≤0.005%,w(Fe)≤0.005%,杂质≤0.3%,余量为Mg(质量分数).将固溶后的合金加工成直...文章编号:1004-0609(2012)08-2141-07 AZ31镁合金热压缩过程中晶粒取向和织构的演变 刘 筱1,娄 燕1, 2,李落星1,朱必武1,何凤亿1 (1. 湖南大学 汽车车身先进设计制造国家重点实验室,长沙 410082； 2. 深圳大学 机电与控制工程学院,深圳 518060) 摘 要:利用电子背散射衍射(EBSD)取向成像技术分析AZ31......
nucleation mechanism. Key words: AZ31 magnesium alloy; grain refinement; limestone ore; microstructure; ultrasonic treatment 1 Introduction Mg-Al alloys should be the most commercially used, because... of AZ31 magnesium alloy. LU et al [8] studied the grain refining efficiency of Al4C3 on Mg-Al alloys, while some carbonates were also used to refine AZ31 alloys [9]. Meanwhile, YANO et al [10] even used......
,而且由于分布在晶界而抑制细小晶粒的进一步长大,这就导致在140 ℃时效后合金塑性大幅提升而强度并无显著降低. 图5 AZ31镁合金在不同状态下的拉伸性能 Fig. 5 Tensile properties of AZ31 magnesium alloy under different conditions 图6所示为不同状态下试样断口形貌的SEM像.由图6(a)可以看出...(0002)基面织构 Fig. 8 Texture evolution after warm rolling and annealing 表1 在不同时效状态下AZ31镁合金的相干衍射区尺寸,微观应变以及位错密度 Table 1 Crystallite size, microstrain and dislocation density of AZ31 alloy......
