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Dynamic recrystallization and texture development during hot deformation of magnesium alloy AZ31 YANG Xu-yue(杨续跃)1, 2, JI Ze-sheng(吉泽升)3, H. MIURA4, T. SAKAI4 1. School...; Abstract: The dynamic recrystallization(DRX) and texture development, taking place during hot deformation of magnesium alloy AZ31 with a strong wire texture, were......
Grain size and texture changes of magnesium alloy AZ31 during multi-directional forging YANG Xu-yue(杨续跃)1, 2, SUN Zheng-yan(孙争艳)1, XING Jie3, MIURA Hiromi3, SAKAI Taku3 1... changes of magnesium alloy AZ31 were studied in multidirectional forging(MDF) under decreasing temperature conditions. MDF was carried out up to large cumulative strains of 4.8 with changing......
文章编号:1004-0609(2009)09-1555-08 相场法模拟AZ31镁合金再结晶晶粒长大 王明涛,宗亚平,王 刚 (东北大学 材料与冶金学院 材料各向异性与织构教育部重点实验室,沈阳 110004) 摘 要:建立一个相场模型,并对AZ31镁合金进行再结晶晶粒长大模拟,提出一系列法则以确定模型中参数的真实值,从而实现组织演化在工业应用范围内?的真实时空模拟.在300~400 ℃ 100 min内时,模拟结果与实验结果吻合得很好,在250 ℃时,模拟结果与实验结果有较大偏离,说明该合金体系的界面迁移激活能在低温时有所改变,定量模拟研究该合金组织的混晶程度.结果表明:合金在300~400 ℃时,随时效时间的延长,混晶特别严重.模型模拟相场法界面控制过程组织演变的真实时空,所确定的参数值也可以用于其他相似合金系统的模拟. 关键词:AZ31镁合金；相场......
退火工艺对AZ31镁合金微观组织的影响 费立敏1,车俊铁2,李茂盛2 (1.中国石油大学(北京;2.北京石油化工学院机械工程学院,北京,102617) 摘要:研究了不同退火工艺下AZ31镁合金的微观组织.结果表明,退火温度在200~350℃,保温时间在30~120min时,AZ31镁合金横向和纵向显微组织变化基本一致;退火温度为300℃,保温120min后晶粒度均达到最小值,横截面最小晶粒度约为11.51μm,纵截面最小晶粒度约为12.85μm.分析了晶粒度随退火温度和保温时间的变化情况. 关键词:AZ31; 镁合金; 退火; 微观组织; 晶粒度; AZ31; magnesium alloy; annealing; microstructure; grain size; [全文内容正在添加中] ......
magnesium alloy AZ31B at elevated temperature [J]. Trans Nonferrous Met Soc China, 2003, 13(2): 335-338. [3] JEONG H T, HA T K. Texture development in a warm rolled AZ31 magnesium alloy [J]. Journal... Technology, 2003(140): 6-12. [12] CHANG L L, WANG Y N, ZHAO X, HUANG J C. Microstructure and mechanical properties in an AZ31 magnesium alloy sheet fabricated by asymmetric hot extrusion [J]. Materials......
了这一原因. 关键词:AZ31镁合金; TIG焊接接头; 示波冲击性能; 微观组织; 断口形貌; AZ31 magnesium alloy; TIG welded joint; oscillography impact property; microstructure; fracture pattern; [全文内容正在添加中] ...AZ31镁合金及其焊接接头示波冲击性能研究 苏娟1,张兰1,张红霞1,王文先1 (1.太原理工大学,新材料界面科学与工程省部共建教育部重点实验室,山西,太原,030024) 摘要:研究了AZ31镁合金及其TIG焊接接头常温时的示波冲击性能.研究表明,AZ31镁合金板材未开缺口和开Charpy V型缺口试样的冲击韧性分别为50.9和8.7 J·cm~(-2),开Charpy V型缺口试样的冲......
, et al. Grain-boundary sliding in AZ31 magnesium alloys at room temperature to 523 K[J]. Materials Transactions, 2003, 44: 445-451. [5] IWANAGA K, TASHIRO H, OKAMOTO H, SHIMIZU K. Improvement of formability from room temperature to warm temperature in AZ31 magnesium alloy[J]. Journal of Materials Processing Technology, 2004, 155/156: 1313-1316. [6] YIN D L, ZHANG K F, WANG G F, HAN W B. Warm......
Hot deformation behavior of a spray-deposited AZ31 magnesium alloyLI Yongbinga, CHEN Yunboa, CUI Huab, DING Jiea, ZUO Linglia, and ZHANG Jishanc a Advanced Manufacture Technology Center, China... AZ31 magnesium alloy with fine grains was investigated by means of compression tests with a Gleeble 1500 thermal mechanical simulator at isothermal constant strain rates of 0.01, 0.1, 1.0, and 10 s-1......
Trans. Nonferrous Met. Soc. China 28(2018) 896-901 Tensile behaviors of fatigued AZ31 magnesium alloy Yang SHU, Xi-yan ZHANG, Jiang-ping YU, Li TAN, Rui-sen YIN, Qing LIU School of Materials Science..., while there were many microvoids in the ultimate fracture region of the H-sample. Consequently, the tensile behaviors of fatigued magnesium have a close relationship with microstructure. Key words: AZ31......
MICROSTRUCTURAL STUDIES OF FRICTION STIR WELDED AZ31 MAGNESIUM ALLOY J.C.Feng1,H.Zhang1,L.Wu1,S.B.Lin1 (1.State Key Lab. of Advanced Welding Production Technology, Harbin Institute of Technology...) with energy dispersive spectroscopy (EDS), X-ray diffraction (XRD) and micro-hardness. AZ31 magnesium alloy has been successfully friction stir welded and exhibits the variations of microstructure......
