-
Impact damping has been widely used in machine tools, robots, turbine machineries, aircrafts, and launch vehicles. Introducing micro fine particles into impact dampers may bring additional irreversible energy loss such as particle size reduction and plastic deformation for the damping, and carve out a new way to control the motion. For this purpose we use copper particles with an average size of 50 μm in ball impact dampers installed on a cantilever subjected to sinusoidal vibration within 96-hour impacting, and test the damping characteristics. We show that the response of the primary system can be divided into three stages, i.e., increasing, then deceasing, and increasing again. This dynamic feature reflects the deformation behaviors of the micro copper particles in different stages. In the first stage, the copper particles may display elastic behavior, and the sub-harmonic vibration of the steel ball may return part of the energy back to the primary system and enhance the response. In the second stage, the copper particle is forced into its yield point and the plastic deformation exhausts the energy and response of the system decline. In the third stage, hardening effect of the copper particles occurs and the response of system increases again. Our results may be significant to passively control the vibrations and material deformation.
[1] Cheng J, Xu H 2006 Int. J. Solids and Structures 43 5355
[2] Wang S L 2004 China Patent ZL 03115511.1 (in Chinese) [王树林 2004 中国专利 ZL 03115511.1]
[3] Du Y C, Wang S L 2011 Int. J. Mech. Sci. 52 1015
[4] Du Y C, Wang S L, Zhu Y, Han G Q 2008 Chin. J. Mech. Engineer. 44 186 (in Chinese) [杜妍辰, 王树林, 朱岩, 韩光强 2008 机械工程学报 44 186]
[5] Du Y C, Wang S L 2011 J. Vib. Shock 30 160 (in Chinese) [杜妍辰, 王树林 2011 振动与冲击 30 160]
[6] Du Y C, Wang S L 2009 ASME J. Appl. Mech. 76 061010
[7] Du Y C, Wang S L 2010 Int. J. Impact Engineer. 37 309
[8] Song W X 2008 Metallography (Beijing: Metallurgical Industry Press) p153 (in Chinese) [宋维锡 2008 金属学 (北京: 冶金工业出版社) 第153页]
[9] Li H C, Wang S L, Du Y C, Li S J, Xu B, Jian D L, Zhu Y F 2013 J. Vib. Shock 32 156 (in Chinese) [李海超, 王树林, 杜妍辰, 李生娟, 徐波, 蹇敦亮, 朱钰方 2013 振动与冲击 32 156]
[10] Qin P, Lou Y W, Yang C Z, Xia B J 2006 Acta Phys. Sin. 55 1325 (in Chinese) [钦佩, 娄豫皖, 杨传铮, 夏保佳 2006 55 1325]
[11] Warren B E 1969 X-Ray Diffraction (Massachusetts, Menlo Park, California London: Addison-Wesley) p275
[12] Lang J K 2011 Crystal Structure Determination by X-Ray Powder Diffraction (Beijing: Science Press) p406 (in Chinese) [梁敬魁 2011 粉末衍射法测定晶体结构 (北京: 科学出版社) 第406页]
[13] Lu X S 1980 Acta Phys. Sin. 29 275 (in Chinese) [陆学善 1980 29 275]
[14] Budrovic Z, van Swygenhoven H, Derlet P M, van Petegem S, Schmitt B 2004 Science 304 273
[15] Wang G H, Pan H, Ke F J, Xia M F, Bai Y L 2008 Chin. Phys. B 17 259
-
[1] Cheng J, Xu H 2006 Int. J. Solids and Structures 43 5355
[2] Wang S L 2004 China Patent ZL 03115511.1 (in Chinese) [王树林 2004 中国专利 ZL 03115511.1]
[3] Du Y C, Wang S L 2011 Int. J. Mech. Sci. 52 1015
[4] Du Y C, Wang S L, Zhu Y, Han G Q 2008 Chin. J. Mech. Engineer. 44 186 (in Chinese) [杜妍辰, 王树林, 朱岩, 韩光强 2008 机械工程学报 44 186]
[5] Du Y C, Wang S L 2011 J. Vib. Shock 30 160 (in Chinese) [杜妍辰, 王树林 2011 振动与冲击 30 160]
[6] Du Y C, Wang S L 2009 ASME J. Appl. Mech. 76 061010
[7] Du Y C, Wang S L 2010 Int. J. Impact Engineer. 37 309
[8] Song W X 2008 Metallography (Beijing: Metallurgical Industry Press) p153 (in Chinese) [宋维锡 2008 金属学 (北京: 冶金工业出版社) 第153页]
[9] Li H C, Wang S L, Du Y C, Li S J, Xu B, Jian D L, Zhu Y F 2013 J. Vib. Shock 32 156 (in Chinese) [李海超, 王树林, 杜妍辰, 李生娟, 徐波, 蹇敦亮, 朱钰方 2013 振动与冲击 32 156]
[10] Qin P, Lou Y W, Yang C Z, Xia B J 2006 Acta Phys. Sin. 55 1325 (in Chinese) [钦佩, 娄豫皖, 杨传铮, 夏保佳 2006 55 1325]
[11] Warren B E 1969 X-Ray Diffraction (Massachusetts, Menlo Park, California London: Addison-Wesley) p275
[12] Lang J K 2011 Crystal Structure Determination by X-Ray Powder Diffraction (Beijing: Science Press) p406 (in Chinese) [梁敬魁 2011 粉末衍射法测定晶体结构 (北京: 科学出版社) 第406页]
[13] Lu X S 1980 Acta Phys. Sin. 29 275 (in Chinese) [陆学善 1980 29 275]
[14] Budrovic Z, van Swygenhoven H, Derlet P M, van Petegem S, Schmitt B 2004 Science 304 273
[15] Wang G H, Pan H, Ke F J, Xia M F, Bai Y L 2008 Chin. Phys. B 17 259
Catalog
Metrics
- Abstract views: 5583
- PDF Downloads: 320
- Cited By: 0
下载:
