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In situ optical observations of keyhole dynamics during laser drilling
Chen M(陈猛); Wang YR(王育人); Yu G(虞钢); Lan D(蓝鼎); Zheng ZY(郑中玉); Wang, YR (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.
Source PublicationAPPLIED PHYSICS LETTERS
2013-11-04
Volume103Issue:19Pages:194102/1-194102/4
ISSN0003-6951
AbstractTo better understand the laser drilling process and especially to clarify keyhole dynamics in metal drilling, a quasi-two-dimensional drilling assembly was set up with a thin sandwich structure. Keyhole dynamics coupling multiple physical processes were recorded using highspeed photography, and clear images were obtained. The formation of keyholes was found not to be a single unified process, and the whole drilling process could be divided into five stages: an initial melt ejection, mild melting, rapid drilling, hole expansion, and backflow and recasting. As the keyhole evolved, the removal of material changed.
KeywordHigh Speed Photography Drilling Assembly Drilling Process Dynamics Coupling Hole Expansions In-situ Optical Observations Physical Process Thin Sandwich Structures Unified Process
Subject Area固体力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000327817000102
Funding OrganizationNational Natural Science Foundation of China [10832011, 11272315]
DepartmentNML空间材料物理力学
Classification一类
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47731
Collection国家微重力实验室
Corresponding AuthorWang, YR (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Micrograv, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Chen M,Wang YR,Yu G,et al. In situ optical observations of keyhole dynamics during laser drilling[J]. APPLIED PHYSICS LETTERS,2013,103(19):194102/1-194102/4
APA 陈猛,王育人,虞钢,蓝鼎,郑中玉,&Wang, YR .(2013).In situ optical observations of keyhole dynamics during laser drilling.APPLIED PHYSICS LETTERS,103(19),194102/1-194102/4.
MLA 陈猛,et al."In situ optical observations of keyhole dynamics during laser drilling".APPLIED PHYSICS LETTERS 103.19(2013):194102/1-194102/4.
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