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Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy

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Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy. / Jia, Z.; Zhang, P.; Yu, Z.; Wu, D.; Tian, Y.; Yan, H.

In: Optics Express, Vol. 29, No. 12, 07.06.2021, p. 18495-18501.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Jia, Z, Zhang, P, Yu, Z, Wu, D, Tian, Y & Yan, H 2021, 'Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy', Optics Express, vol. 29, no. 12, pp. 18495-18501. https://doi.org/10.1364/OE.422369

APA

Jia, Z., Zhang, P., Yu, Z., Wu, D., Tian, Y., & Yan, H. (2021). Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy. Optics Express, 29(12), 18495-18501. https://doi.org/10.1364/OE.422369

Vancouver

Author

Jia, Z. ; Zhang, P. ; Yu, Z. ; Wu, D. ; Tian, Y. ; Yan, H. / Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy. In: Optics Express. 2021 ; Vol. 29, No. 12. pp. 18495-18501.

Bibtex

@article{53aa0b3eb15f43c6bdddc03d9c63ebc0,
title = "Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy",
abstract = "It is difficult to collect the crack propagation signal under general continuous welding condition due to other signal interference of molten pool. In order to study the effect of residual stress on crack propagation, acoustic emission technology was successfully applied to monitor welding process according to the characteristics of pulsed laser welding. Crack free welding is achieved by reducing the pulse interval to limited the crack size of single pulse welding spot. The welding process was monitored synchronously by high speed photography and acoustic emission, the evidence of crack propagation after solidification of weld is successfully captured. ",
keywords = "Aluminum alloys, Crack propagation, Cracks, High speed photography, Pulsed lasers, Solidification, Welding, Crack free, Crack sizes, Emission technology, Molten pool, Single-pulse welding, Solidification cracks, Welding conditions, Welding process, Acoustic emission testing",
author = "Z. Jia and P. Zhang and Z. Yu and D. Wu and Y. Tian and H. Yan",
year = "2021",
month = jun,
day = "7",
doi = "10.1364/OE.422369",
language = "English",
volume = "29",
pages = "18495--18501",
journal = "Optics Express",
issn = "1094-4087",
publisher = "Optical Society of American (OSA)",
number = "12",

}

RIS

TY - JOUR

T1 - Evidence of solidification crack propagation in pulsed laser welding of aluminum alloy

AU - Jia, Z.

AU - Zhang, P.

AU - Yu, Z.

AU - Wu, D.

AU - Tian, Y.

AU - Yan, H.

PY - 2021/6/7

Y1 - 2021/6/7

N2 - It is difficult to collect the crack propagation signal under general continuous welding condition due to other signal interference of molten pool. In order to study the effect of residual stress on crack propagation, acoustic emission technology was successfully applied to monitor welding process according to the characteristics of pulsed laser welding. Crack free welding is achieved by reducing the pulse interval to limited the crack size of single pulse welding spot. The welding process was monitored synchronously by high speed photography and acoustic emission, the evidence of crack propagation after solidification of weld is successfully captured.

AB - It is difficult to collect the crack propagation signal under general continuous welding condition due to other signal interference of molten pool. In order to study the effect of residual stress on crack propagation, acoustic emission technology was successfully applied to monitor welding process according to the characteristics of pulsed laser welding. Crack free welding is achieved by reducing the pulse interval to limited the crack size of single pulse welding spot. The welding process was monitored synchronously by high speed photography and acoustic emission, the evidence of crack propagation after solidification of weld is successfully captured.

KW - Aluminum alloys

KW - Crack propagation

KW - Cracks

KW - High speed photography

KW - Pulsed lasers

KW - Solidification

KW - Welding

KW - Crack free

KW - Crack sizes

KW - Emission technology

KW - Molten pool

KW - Single-pulse welding

KW - Solidification cracks

KW - Welding conditions

KW - Welding process

KW - Acoustic emission testing

U2 - 10.1364/OE.422369

DO - 10.1364/OE.422369

M3 - Journal article

VL - 29

SP - 18495

EP - 18501

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 12

ER -