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Processing and mechanical properties of SiC particulate reinforced AZ91 composites fabricated by stir casting WANG Xiao-jun(王晓军), WU Kun(吴 昆), PENG De-lin(彭德林), ZHANG Hai-feng(张海峰), ZHENG...: The influence of stirring parameters (stirring temperature, stirring speed and stirring time) on the particle distribution of 10%(volume fraction) SiC particulate reinforced AZ91 composites (SiCp/AZ91......
文章编号:1004-0609(2009)06-0992-07 喷射成形高强度AZ91镁合金的组织与力学性能 崔 华1,李永兵2,黄进峰1,余红燕1,熊柏青3,张济山1 (1. 北京科技大学 材料科学与工程学院,北京 100083; 2. 机械科学研究总院 先进制造技术研究中心,北京 100083; 3. 北京有色金属研究总院,北京100088) 摘 要:在保护气氛中采用喷射成形制备技术制备了形状完整的AZ91镁合金沉积圆柱坯.对沉积坯进行显微组织分析,结果表明:喷射沉积AZ91镁合金具有均匀,细小的等轴晶组织,平均晶粒尺寸约17 μm,有效地改善了离异共晶β-Mg17Al12相在晶界的偏析;挤压变形过程引发的动态再结晶使喷射成形AZ91镁合金的组织进一步细化;经175 ℃时效时,析出相中多数为不连续析出,连续析出所占比例很小;后期阶段时效过程加快,长时......
temperature. Therefore, the microstructure of AZ91 alloy with aluminum composites of about 9% can be deduced to be a mixture structure of α-Mg solid solution matrix and precipitate of Al-Mg. Furthermore... Trans. Nonferrous Met. Soc. China 22(2012) 1028-1034 Microstructural evolution of AZ91 magnesium alloy during extrusion and heat treatment LI Jing-yuan1, XIE Jian-xin1, JIN Jun-bing2, WANG......
Trans. Nonferrous Met. Soc. China 22(2012) 2357-2363 Effect of cooling condition on microstructure of semi-solid AZ91 slurry produced via ultrasonic vibration process ZHANG Liang1, WU Guo-hua1, WANG... Laboratory, Beijing 100076, China Received 9 July 2012; accepted 6 August 2012 Abstract: The effects of cooling conditions on the microstructure of semi-solid AZ91 slurry produced via ultrasonic vibration......
Trans. Nonferrous Met. Soc. China 23(2013) 2914-2922 Improvement of wear and corrosion resistance of AZ91 magnesium alloy by applying Ni-SiC nanocomposite coating via pulse electrodeposition M... the surface properties of AZ91 magnesium alloy, Ni-SiC nanocomposite coatings with various SiC contents were pulse electrodeposited in modified Watts baths containing SiC nano-particles......
and Engineering, Harbin Institute of Technology, Harbin 150001, China Received 10 November 2011; accepted 11 June 2012 Abstract: SiC particles reinforced AZ91 Mg matrix composites (SiCp/AZ91) with SiC volume..., the grain size of the extruded composites decreases, the strength and elastic modulus increase but the elongation decreases. Key words: extrusion; Mg matrix composites; SiCp; AZ91 magnesium alloy......
Trans. Nonferrous Met. Soc. China 24(2014) 619-625 Microstructure and property of rheocasting AZ91 slurry produced via ultrasonic vibration process Jun-ping YAO1,2, Zhong SUN1, Tao YANG2, Bharat... State University, OH 43210, USA Received 18 March 2013; accepted 5 November 2013 Abstract: The microstructure and mechanical properties of rheocasting AZ91 magnesium alloy were investigated......
文章编号:1004-0609(2014)12-2951-10 热处理对搅拌摩擦加工AZ91镁合金显微组织和力学性能的影响 柴 方1, 2,张大童1, 2,李元元1, 2 (1. 华南理工大学 国家金属材料近净成形工程技术研究中心,广州 510640; 2. 华南理工大学 机械与汽车工程学院,广州 510640) 摘 要:对AZ91镁合金铸板进行搅拌摩擦加工,研究热处理对被...续析出.时效处理可较大程度地提高合金的硬度,以16 h最为显著,搅拌区平均显微硬度的最大值为118.4HV.预先固溶处理可以提高搅拌摩擦加工合金的塑性,伸长率为31.5%;随后时效处理(16 h)则可以大幅度提高合金的抗拉强度,由搅拌摩擦加工板的265 MPa增至340 MPa. 关键词:AZ91镁合金;搅拌摩擦加工;组织;力学性能;热处理 中图分类号:TG146.2;TG156.92 ......
Transactions A, 2009, 40: 116-127. [20] GARCIA-RODRIGUEZ S, TORRES B, MAROTO A. Dry sliding wear behavior of globular AZ91 magnesium alloy and AZ91/SiCp composites [J]. Wear, 2017, 390-391: 1-10. [21] ABBAS... of Composite Materials, 2020, 54: 141-152. [23] AYDIN F, SUN Y, TURAN M E. The effect of TiB2 content on wear and mechanical behavior of AZ91 magnesium matrix composites produced by powder metallurgy [J]. Powder......
Non-flux purification behavior of AZ91 magnesium alloy WU Guo-hua(吴国华)1, 2, DAI Ji-chun(戴吉春)1, 2, SUN Ming(孙 明)1, 2, DING Wen-jiang(丁文江)1, 2 1. National Engineering Research Center of Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai 200240, China; 2. State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China Received 23 October......