[1]刘英莉,尹建成,钟毅,等.约束喷射Al-20Si合金沉积坯的形状及显微组织[J].哈尔滨工程大学学报,2017,38(08):1273-1277.[doi:10.11990/jheu.20160304087]
 LIU Yingli,YIN Jiancheng,Zhong Yi,et al.Shape and microstructure of constrained spray formed Al-20Si alloy[J].hebgcdxxb,2017,38(08):1273-1277.[doi:10.11990/jheu.20160304087]
点击复制

约束喷射Al-20Si合金沉积坯的形状及显微组织(/HTML)
分享到:

《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2017年08期
页码:
1273-1277
栏目:
出版日期:
2017-08-25

文章信息/Info

Title:
Shape and microstructure of constrained spray formed Al-20Si alloy
作者:
刘英莉12 尹建成2 钟毅2 陈业高2 杨环2 张八淇2 姜瑛1
1. 昆明理工大学 信息工程与自动化学院, 云南 昆明 650500;
2. 昆明理工大学 材料科学与工程学院, 云南 昆明 650093
Author(s):
LIU Yingli12 YIN Jiancheng2 Zhong Yi2 CHEN Yegao2 YANG Huan2 ZHANG Baqi2 JIANG Ying1
1. School of Information Engineering and Automation, Kunming University of Science and Technology, Kunming 650500, China;
2. School of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
关键词:
Al-20Si合金沉积坯形状控制微观组织喷射沉积连续挤压约束喷射沉积双盘流型控制器
分类号:
TG146.2
DOI:
10.11990/jheu.20160304087
文献标志码:
A
摘要:
针对喷射沉积区域与连续挤压机轮槽不匹配的问题,本文采用双盘流型控制器约束雾化射流,研究熔体温度和雾化气体压力对Al-20Si合金沉积坯形状及微观组织的影响。结果表明:在0.10~0.25 MPa的范围内,随雾化气体压力的增加,合金沉积坯变得越来越窄且高度不断增加。随雾化气体压力的增大,合金中初晶Si的等效直径先急剧减小,而后缓慢增加。在熔体温度为829℃,雾化气体压力为0.2 MPa时,获得的沉积坯的Si颗粒尺寸细小、分布均匀,且沉积坯宽度较小。研究结果可为喷射沉积连续挤压试验参数的优化提供参考。

参考文献/References:

[1] 汪创伟,尹建成,周静波,等. 喷射沉积连续挤压制备2A12铝合金[J]. 中国有色金属学报, 2013, 23(4):957-963.WANG Chuangwei, YIN Jiancheng, ZHOU Jingbo, et al. 2A12 aluminum alloy produced by spray forming Conform[J].The Chinese journal of nonferrous metals, 2013, 23(4):957-963.
[2] 李昊. 喷射沉积连续挤压Al-20Si合金组织与性能研究[D].昆明:昆明理工大学, 2015:51-55LI Hao. Study on microstructure and properties of Al-20Si alloy prepared by spray conform[D]. Kunming:Kunming University of Science and Technology, 2015:51-55.
[3] CHEN Y G, ZHONG Y, YIN J C, et al. Spray conform 7075 Al[J]. RSC Adv, 2015, 5(118):97612-97618.
[4] 刘英莉,尹建成,郑大亮,等.一种与连续挤压机匹配的喷射沉积装置[P].中国:CN 203346464 U.2013.12.18.LIU Yingli, YIN Jiancheng, ZHENG Daliang, et al. A spray deposition device matching a continuous extrusion.[P].China:CN 203346464 U.2013.12.18.
[5] 左克生. 过共晶Al-Si合金凝固组织研究[D].沈阳:东北大学, 2012:39.ZUO Kesheng. Study on the solidification structures of hypereutecticAl-Si alloy[D]. Shenyang:Northeastern University, 2012:39.
[6] 吴龙彪,肖寒,王佳,等. 重熔工艺对应变诱导熔化激活法制备ZCuSn10铜合金半固态组织的影响[J]. 中国有色金属学报, 2013, 23(12):3302-3307.WU Longbiao, XIAO Han, WANG Jia, et al. Effect of remelting process on microstructure of semi-solid ZCuSn10 copper alloy fabricated by strain induced melt activated method[J]. The Chinese journal of nonferrous metals, 2013, 23(12):3302-3307.
[7] 丁国陆,李华伦,勾宏图,等. 铝合金低压气雾化技术研究[J]. 粉末冶金技术, 1996, 14(2):96-101.DING Guolun, LI Hualun, GOU Hongtu, et al. Study of low pressure gas atomization technology of alominium alloy[J]. Powder metallurgy technology, 1996, 14(2):96-101.
[8] UNAL A. Effect of processing variables on particle size in gas atomization of rapidly solidified aluminium powders[J]. Materials science and technology, 1987, 3:1029-1039.
[9] YAMAGATA H, KASPRZAK W, ANIOLEK M, et al. The effect of average cooling rates on the microstructure of the Al-20% Si high pressure die casting alloy used for monolithic cylinder blocks[J]. Journal of materials processing technology, 2008(203):333-341.
[10] ZUO M, LIU X F, SUN Q Q, et al. Effect of rapid solidification on the microstructure and refining performance of an Al-Si-P master alloy[J]. Journal of materials processing technology, 2009, 209(15/16):5504-5508.

备注/Memo

备注/Memo:
收稿日期:2016-04-28。
基金项目:国家自然科学基金项目(50874055,51467007);云南省自然科学基金重点项目(2007E0013Z);云南省教育厅科学研究基金项目(2016ZZX041).
作者简介:刘英莉(1978-),女,讲师,博士研究生;钟毅(1964-),男,教授,博士生导师;尹建成(1978-),男,副教授.
通讯作者:尹建成,E-mail:yjc_2002@126.com
更新日期/Last Update: 2017-08-28