糖心产精国品免费入口*完整版辐照参数对糖心产精国品免费入口*完整版铝-钛-硼中间合金组织和性能的影响
Influence of Laser Parameters on Microstructure and Property of Al-Ti-B Master Alloy Prepared by Laser-induced 糖心产精国品免费入口*完整版
摘 要
采用糖心产精国品免费入口*完整版引燃自蔓延技术合成铝-钛-硼中间合金,利用此中间合金可对ZL108铝合金组织进行细化,研究了糖心产精国品免费入口*完整版辐照参数对中间合金和铝合金显微组织的影响.结果表明:通过对糖心产精国品免费入口*完整版器工作参数的调整,可制备出具有TiAl3和TiB2颗粒含量适中、弥散分布的中间合金;在本试验条件下,糖心产精国品免费入口*完整版功率1 200 W、照射1.0 s时,生成粒径约为1 μm、弥散分布的TiB2,长度约10 μm、均匀分布的长条状TiAl3,此时中间合金的细化效果最佳,铝晶粒平均尺寸为55 μm.
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
铝-钛-硼中间合金
laser
糖心产精国品免费入口*完整版
糖心产精国品免费入口*完整版
Al-Ti-B master alloy
Abstract
Self-propagating high-temperature synthesis(糖心产精国品免费入口*完整版) was ignited by the laser to synthesize Al-Ti-B master alloy,and the master alloy was used to refine ZL108 Al alloy.The influences of laser parameters on microstructure of 糖心产精国品免费入口*完整版and ZL108 alloy were analyzed.The results show that master alloy with proper TiAl3 and TiB2 particles which distributed dispersively by laser parameters adjusting.When the laser illumination time was 1.0 s and the power was 1 200 W,the distribution of TiB2 was dispersing,and the average size of TiB2 was about 1 μm.The distribution of strip-shaped TiAl3 was uniform and the length was about 10 μm;the microstructure of the master alloy was fine and the refinement effect was the best with the average Al grain size of 55 μm.
中图分类号 TG146.2
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(50704009);辽宁省博士启动基金资助项目(20031081)
收稿日期 2008/6/12
修改稿日期 2009/6/15
网络出版日期
作者单位
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备注糖心产精国品免费入口*完整版(1983-),男,黑龙江绥化人,助理工程师.
引用该论文: LI Yong,ZHUANG Hong-yu,PAN Xue-min. Influence of Laser Parameters on Microstructure and Property of Al-Ti-B Master Alloy Prepared by Laser-induced 糖心产精国品免费入口*完整版[J]. Materials for mechancial engineering, 2009, 33(9): 13～16
糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版,糖心产精国品免费入口*完整版. 糖心产精国品免费入口*完整版辐照参数对糖心产精国品免费入口*完整版铝-钛-硼中间合金组织和性能的影响[J]. 机械工程材料, 2009, 33(9): 13～16
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参考文献
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【4】 VENKATESWARLU K,CHAKRABORTY M,MURTY B S.Influence of thermo-mechanical processing of Al-5Ti-1B master alloy on its grain refining efficiency [J].Materials Science and Engineering,2004,A364:75-83.
【5】 张虎,高文理,张二林,等.Al-54Ti-xB合金中TiB2的形貌演变及生长机理[J].金属学报,2002,38(7):699-702.
【6】 于亚鑫,邱竹贤.Ti-B及其Al-Ti-B中间合金的研制[J].轻金属,1988(5):30-33.
【7】 LI Pei-jie,KANDALOVA E G,NIKITIN V I,et al.Effect of fluxes on structure formation of 糖心产精国品免费入口*完整版 Al-Ti-B grain refiner[J].Materials Letters,2003,57:3694-3698.
【8】 JONES G P,PEARSON J.Factors affecting the grain refinement of aluminum using titanium and boron additives [J].Metall Trans B,1976,7B:223-234.
【9】 张作贵,刘相法,边秀房,等.Al-Ti-B中间合金中的化合物形态[J].中国有色金属学报,1999,9(4):736-739.
【10】 WANG Yan,ZHANG Zhong-hua,WANG Wei-min,et al.Microstructural evolution and microhardness of a meltspun Al-5Ti-1B alloy during annealing[J].Materials Science and Engineering A,2004,350:17-24.
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