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,拉伸测试后取其平均值.最后采用Neuphoto光学显微镜,扫描电镜(SEM)和能谱分析仪(EDS)对样品进行显微组织分析. 图1 旋转永磁体搅拌工艺制备半固态A356铝合金浆料及流变压铸示意图 Fig. 1 Schematic diagram of semisolid A356 aluminum alloy slurry prepared by rotating... properties and fracture behavior of partial squeeze added slow shot die-cast A356 aluminum alloy[J]. Materials and Design, 2010, 31(9): 4237-4243. [2] CHEN Zheng-zhou, MAO Wei-min, WU Zong-chuang......
feedstock of A356 aluminum alloy was prepared through a serpentine pouring channel. The results indicate that favorable the microstructures of semi-solid A356 aluminum alloy can be generated by a serpentine... to a mixture of spherical and rosette-like grains at the transitional region, then to full rosettes at the edge. Key words: A356 aluminum alloy; semi-solid feedstock; serpentine pouring channel......
A356铝合金液相线铸造形核规律 崔建忠1,路贵民1,刘静2,王平1 (1.东北大学材料电磁过程教育部重点实验室,沈阳,110004;2.东北大学理学院,沈阳,110004) 摘要:研究了液相线铸造A356铝合金在不同保温温度,不同保温时间下的组织形成规律.电子显微镜及图象分析仪分析表明,由于过冷和扩散的共同影响,A356铝合金液相线铸造最佳保温温度605℃;在60min时间内,晶核数目随保温时间的延长而增加,且分布愈加均匀. 关键词:A356铝合金; 液相线铸造; 形核; 过冷; 扩散; [全文内容正在添加中] ......
by in-situ titanium alloying Al-0.28%Ti alloys which were produced by electrolysis, named electrolytic low-titanium A356 alloy (EA356). Another was produced by pure aluminum and Al-5Ti master alloys... of a cast A356 aluminum alloy [J]. Scripta Materialia, 1998, 39: 1491-1495. [13] FAN J H, MCDOWELL D L, HORSTEMEYER M F, GALL K. Cyclic plasticity at porosities and inclusions in cast Al-Si alloys [J......
Trans. Nonferrous Met. Soc. China 22(2012) s656-s660 Microforming of superplastic 5083 aluminum alloy Md. Abu Mowazzem HOSSAIN1, Sung-Tae HONG1, Kyu-Yeol PARK1, Young-Sang NA2 1. School of Mechanical...: The mechanical behavior of superplastic 5083 aluminum alloy during microforming process was investigated by finite element analysis. A micro V-groove die was modeled to analyze the effects of forming......
Microstructure and mechanical properties of Gd-modified A356 aluminum alloys史志铭,王强,史玉亭,赵鸽,张瑞英School of Materials Science and Engineering, Inner Mongolia University of Technology摘 要:The effect of Gd modification on the microstructure and mechanical properties of A356 aluminum alloys was investigated using the metallurgical microscopy, scanning electronic......
Microstructure and mechanical properties of Gd-modified A356 aluminum alloys史志铭,王强,史玉亭,赵鸽,张瑞英School of Materials Science and Engineering, Inner Mongolia University of Technology摘 要:The effect of Gd modification on the microstructure and mechanical properties of A356 aluminum alloys was investigated using the metallurgical microscopy, scanning electronic......
Effect of Stirring Velocity in Micro Fused-Casting for Metal on Microstructure and Mechanical Properties of A356 Aluminum Alloy Slurry罗晓强1,2,李正阳2,SHI Xiaojiao1,燕青芝11. School of Materials Science...(MFCM) process for producing A356 aluminum alloy slurry was proposed. MFCM means that the refined metal slurry is pressed out from the outlet of bottom of crucible to the horizontal movable plate......
strategy for aluminum alloy A356 was performed. Thixotropic testing and microstructure analysis showed that a homogenous temperature distribution was achieved after tempera-ture-power-time optimization... 4-step strategy could be the best strategy for billet heating during the thixo-forming of aluminum alloy A356.关键词:......
液相线铸造A356铝合金显微组织 崔建忠1,路贵民1,王平1 (1.东北大学材料电磁过程教育部重点实验室,沈阳,110006) 摘要:采用液相线铸造法铸造A356铝合金获得金属半固态加工要求的细小,等轴 "非枝晶"组织,考察铸造温度,保温时间及冷却速度对结晶组织的影响.在液相线附近,随铸造温度升高和保温时间的延长,晶粒变大,形状变得圆整,结晶组织均匀.冷却速度快,晶粒细小.铸锭中心部位组织比边缘部位组织粗大,且均匀,球化明显.结果表明,液相线半连续铸造可以获得理想的A356铝合金半固态浆料. 关键词:A356铝合金; 液相线铸造; 半固态浆; 显微组织; [全文内容正在添加中] ......
