New Laser Source Technology

Cp, Christensen

doi:10.1126/science.224.4645.117

Cited by 11 publications

(3 citation statements)

References 15 publications

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“…Lasers have played an important role in the joining of materials since the invention of high power gas and solid state lasers in the 1960s [39][40][41][42][43]. Laser welding is used widely in the automotive manufacturing industry attributed to its ability to focus the intense beam (heat source) and reduce the weld bead width and the heat-affected zone (HAZ) regions [44].…”

Section: Laser Welding Technologymentioning

confidence: 99%

Microstructure and Mechanical Properties of Welded Advanced Materials for Automotive Applications

Xu¹

2023

Preprint

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Growing use of advanced materials (advanced high strength steel DP980 and ultralight-weight magnesium alloys) and innovative joining techniques (new-generation laser welding technology and weld bonding technique) is crucial for better fuel economy and lower CO2 emissions in automotive manufacturing. Microstructures and mechanical properties of fiber laser welded high strength low alloy and DP980 steel joints, weld-bonded Mg/Mg and Mg/steel joints and adhesive-bonded Mg/Mg joints were studied. Tempered martensite and welding concavity were observed in fiber laser welded DP980 joints which reduced fatigue resistance, while both HSLA and DP980 joints showed a superior tensile strength. Weld-bonded Mg/Mg and Mg/steel joints with an adhesive layer were significantly stronger than resistance spot welded Mg/steel joints. Reducing bonding length on weld bonded Mg/Mg joints led to a higher maximum tensile shear stress, both tensile and fatigue strength were slight lower than that of adhesive bonded Mg/Mg joints, while ability of energy absorption was equivalent. The tensile properties reduced at a higher temperature (90°C) but it increased at a lower temperature (-40°C).

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Section: Laser Welding Technologymentioning

confidence: 99%

Microstructure and Mechanical Properties of Welded Advanced Materials for Automotive Applications

Xu¹

2023

Preprint

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“…Creating a focused beam allows very high energy densities in comparison to other conventional welding techniques. Because of this property, laser welding techniques have played an ever advancing role in the joining of materials since the invention of high power solid state and gas lasers in the 1960s [16,21,22,23,24].…”

Section: Laser Weldingmentioning

confidence: 99%

Dissimilar fiber laser welding between dual phase and high strength low alloy steels

Parkes¹

2021

Preprint

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With increasing use of dual phase steels in the automotive industry, it is important to have an understanding of how they behave when they are welded to conventional high strength low alloy steels (HSLA). Fiber laser welded dissimilar joints between DP980 and HSLA steels were evaluated in tension at low temperature (-40°C), room temperature (25°C), elevated temperature (180°C), and in fatigue under different welding conditions. Triple dissimilar welds were tested in various combinations and with different types of protective zinc coatings to determine the effect that coatings play on the tensile and fatigue behaviour. Lastly, an analysis was done on how the change in DP980 chemistry could affect the final mechanical properties of their welded joints.

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“…Amniocentesis is used for the early detection of genetic diseases, teratological events, and fetal distress, particularly in domestic species (67). A new application of the laser in oncology involves its ability to initiate a lethal photochemical reaction in cancerous tissue during photoradiation therapy (41).…”

Section: Advances In Instrumentationmentioning

confidence: 99%

Alternatives to Animal Use in Research

1986

Journal of Gerontology

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New Laser Source Technology

Cited by 11 publications

References 15 publications

Microstructure and Mechanical Properties of Welded Advanced Materials for Automotive Applications

Microstructure and Mechanical Properties of Welded Advanced Materials for Automotive Applications

Dissimilar fiber laser welding between dual phase and high strength low alloy steels

Alternatives to Animal Use in Research

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