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Effect of processing parameters on solidification defects behavior of laser deposited AlSi10Mg alloy
Gao, Yuan1,2,3; Zhao, Jibin2,3; Zhao, Yuhui2,3; Wang, Zhiguo2,3; Song, Hongwu4; Gao, Mengqiu2,3
Corresponding AuthorZhao, Yuhui(yhzhao@sia.cn)
2019-09-01
Source PublicationVACUUM
ISSN0042-207X
Volume167Pages:471-478
AbstractIn order to investigate the influences of different processing parameters to the defects feature and microstructure of the Laser Direct Metal Deposited AlSi10Mg alloy parts, AlSi10Mg alloy depositing experiments were carried out using various scanning speed, carrier gas flow rate and laser incidence directions. The effects of the above parameters to the inner defects feature and microstructure of the deposited layers were obtained through analyzing the metallographic samples. And the causes of the pore defects inside the samples were analyzed and speculated. To verified the conclusions, tensile tests were implemented. It is discovered that increasing the scanning speed properly during depositing can reduce the pores generated by both hydrogen and trapped external gases, and have positive impact to the microstructure and microhardness of the samples. In addition, increasing the carrier gas flow rate will dramatically worsen the defects feature, and deflecting the laser incidence direction to obtuse angle to the laser scanning direction can lessen the number and the size of pore defects.
KeywordLaser deposition AlSi10Mg alloy Processing parameter Pore defect
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China
DOI10.1016/j.vacuum.2019.06.042
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFB1105802] ; National Key Research and Development Program of China[2017YFB110400] ; National Key Research and Development Program of China[2016YFB1102002] ; National Natural Science Foundation of China[51805526]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000482245800067
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/134980
Collection中国科学院金属研究所
Corresponding AuthorZhao, Yuhui
Affiliation1.Northeastern Univ, Sch Mech Engn & Automat, Shenyang 110004, Liaoning, Peoples R China
2.Chinese Acad Sci, Shenyang Inst Automat, Shenyang 110016, Liaoning, Peoples R China
3.Chinese Acad Sci, Inst Robot & Intelligent Mfg Innovat, Shenyang 110016, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Gao, Yuan,Zhao, Jibin,Zhao, Yuhui,et al. Effect of processing parameters on solidification defects behavior of laser deposited AlSi10Mg alloy[J]. VACUUM,2019,167:471-478.
APA Gao, Yuan,Zhao, Jibin,Zhao, Yuhui,Wang, Zhiguo,Song, Hongwu,&Gao, Mengqiu.(2019).Effect of processing parameters on solidification defects behavior of laser deposited AlSi10Mg alloy.VACUUM,167,471-478.
MLA Gao, Yuan,et al."Effect of processing parameters on solidification defects behavior of laser deposited AlSi10Mg alloy".VACUUM 167(2019):471-478.
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