Application of Frame-pack Rolling Technology to Process of Spray Deposition Sheets
摘 要
喷射沉积多孔铝合金板坯由于有孔洞且缺乏良好的冶金结合,直接轧制时易出现板坯表面裂纹及边裂.为此研究了外框限制轧制工艺对喷射沉积多孔材料5A06和8009铝合金板坯轧制组织和力学性能的影响.结果表明:外框限制轧制工艺提高了喷射沉积多孔材料的致密度,避免了轧制过程中裂纹的形成,有效地改善了喷射沉积板坯的轧制性能及材料的力学性能.
Abstract
Spray deposited porous aluminum alloy sheets easily have surface and edge crack when they are directly rolled due to the porosity and metallurgical bond.So the effecte of frame-pack rolling technology on microstructure and mechanical proprties of spray deposited porous 5A06 and 8009 aluminum alloy sheets after rolling were studied.The results show that “the frame-pack rolling” technology can increase the densify,avoid cracking during rolling,and effectively improve the deformability and mechanical properties of the spray deposited porous aluminum alloy sheets.
中图分类号 TG146.2 TG335
所属栏目
基金项目 国家“十五”攻关项目(MKPT-2004-23ZD)
收稿日期 2006/3/3
修改稿日期 2006/9/13
网络出版日期
作者单位点击查看
备注陈飞凤(1982-),女,广西南宁人,硕士研究生.
引用该论文: CHEN Fei-feng,YAN Hong-ge,CHEN Zhen-hua,ZHANG Hao,XIA Wei-jun. Application of Frame-pack Rolling Technology to Process of Spray Deposition Sheets[J]. Materials for mechancial engineering, 2007, 31(2): 19~22
陈飞凤,严红革,陈振华,张昊,夏伟军. 外框限制轧制工艺在喷射沉积板坯加工中的应用[J]. 机械工程材料, 2007, 31(2): 19~22
被引情况:
【1】郑大亮,高鹏,尹建成,刘英莉,王宇锋,钟毅, "2A12铝合金喷射沉积坯的形状控制及显微组织",机械工程材料 39, 22-25(2015)
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参考文献
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【3】Yuan Wuhua,Chen Zhenhua.Preparation of heat-resistant aluminum alloy pipe blanks by multi-layer spray deposition trans[J].Nonferrous Met Soc,China,2000,10(4):460-464.
【4】Hariprasad S,Saotry S M L,Jerina K L,et al.Microstructures and properties of dispersion-strengthed high-temperature Al-8.5Fe-1.2V-1.7Si alloys produced by atomized melt deposition process[J].Metall Trans A,1993,24A(4):865-875.
【5】詹美燕.喷射沉积材料压缩和轧制变形规律研究[D].长沙:湖南大学,2004.
【6】陈振华,詹美燕,夏伟军.改善喷射沉积耐热铝合金板坯轧制成形性能的研究[J].湖南大学学报(自然科学版),2003,30(5):10-14.
【7】詹美燕,夏伟军,袁武华,等.喷射沉积耐热铝合金8009板坯轧制工艺及其对板材组织性能的影响[J].热加工工艺,2004(2):38-40.
【8】陈振华.多层喷射沉积的装置和原理[J].湖南大学学报,2001,28(5):20-25.
【9】田荣璋.铝合金及其加工手册[M].长沙:中南大学出版社,2000.
【10】詹美燕,匡勇,周明,等.多孔金属及合金成形过程中的致密化与变形理论研究[J].稀有金属与硬质合金,2002,30(4):42-47.
【11】黄培云.粉末冶金原理[M].北京:冶金工业出版社,1981.
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