Chinese Optics Letters, Volume. 16, Issue 6, 061401(2018)
Investigation of latest generation pulsed fiber laser in dissimilar joining of Al and Mg alloys
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Fig. 1. (a) Schematic representation of the experimental setup; (b) an illustration of the line scanning distance and beam overlap; (c) an illustration of the tensile test sample.
Fig. 2. (a) SEM picture of the cross section of the weld seam; (b) an EDS mapping picture of the weld seam; (c) a micrograph with a higher magnification of the zone indicated in (b).
Fig. 3. (a) Microstructure of the weld seam; (b) magnified morphology of the weld seam; (c) the line scanning result.
Fig. 5. (a) Tensile shear strength of Mg–Al joints and substrates; (b) Mg–Al specimen after the tensile shear test; (c) an SEM image of the fractured surface.
Table 1. Chemical Compositions (%, Mass Fraction) of AZ31B and 1050 Alloys
View tableView in ArticleTable 1. Chemical Compositions (%, Mass Fraction) of AZ31B and 1050 Alloys
Material Al Zn Mn Si Fe Cu Ca Cr Mg Other AZ31B 2.5-3.5 0.6-1.4 0.2 0.1 0.005 0.05 0.04 — Bal 0.3 1050 Bal 0.050 0.05 0.25 0.4 0.05 — — 0.05 0.15
Table 2. Composition (%, Atomic Fraction) of the Phases Indicated in Figs. 2(c) and 3(b)
View tableView in ArticleTable 2. Composition (%, Atomic Fraction) of the Phases Indicated in Figs. 2(c) and 3(b)
Point Mg Al Possible Phases 1 37 63 -Al solid solution and 2 52 48 and 3 80 20 -Mg solid solution and
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Qiong Gao, Sonia Meco, Kehong Wang, Qi Zhou, Shun Guo, Supriyo Ganguly. Investigation of latest generation pulsed fiber laser in dissimilar joining of Al and Mg alloys[J]. Chinese Optics Letters, 2018, 16(6): 061401
Paper Information
Category: Lasers and Laser Optics
Received: Jan. 16, 2018
Accepted: Apr. 3, 2018
Published Online: Jul. 2, 2018
The Author Email: Kehong Wang (wkh1602@163.com)
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