Vacuum laser beam welding characteristics for aluminum alloys and its effects on plasma plume generation and laser weldability

Lee, Yong-ki; Cheon, Jason; Kang, Minjung

doi:10.1007/s00170-021-07081-8

Cited by 4 publications

(1 citation statement)

References 23 publications

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“…Heating is required in various manufacturing processes of metallic products such as forming [1], [2], heat treatments [3], [4] and welding [5], [6] , because the microstructure and properties of Manuscript for IJAMT 2 / 25 metallic materials are closely associated with temperature [7]. For example, heating is often applied before metal forming (annealing), after metal forming (hardening or annealing) and sometimes during the metal forming process [8].…”

Section: Introductionmentioning

confidence: 99%

Microwave heating and processing of solid metals using electromagnetic resonators

Zhou

Xue

et al. 2022

Int J Adv Manuf Technol

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Heating plays a vital role in various manufacturing processes of metallic products. Microwave heating has many advantages over conventional conductive heating methods whilst it is currently limited to heating dielectric materials and powdered metals. This paper reports a new microwave heating method using electromagnetic resonators, which was, for the first time, proved effective for heating solid metals. This is a quite promising discovery, because as known, solid metals are essentially reflective of microwaves, and thus metallic objects are often prohibited in microwave ovens. The experiment results showed almost complete microwave absorption and excellent heating performance for a range of metal plates including both magnetic (e.g., iron, nickel and invar) and non-magnetic (e.g., tin and zinc). A patterned microwave heating process was also presented by adjusting electromagnetic resonators and microwave radiations. On this basis, a new multi-zone microwave processing paradigm was developed and demonstrated for welding metal plates. The research work may not only provide potential solutions for efficient heating and processing of complex shaped metal parts, but also enable a plethora of applications like localized heating and thermal display.

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