Development of a Numerical Model to Predict In-Plane Heat Generation Patterns                During Induction Processing of Carbon Fiber-Reinforced Prepreg Stacks

Kim, Hee June; Yarlagadda, Shridhar; Shevchenko, N. B.; Fink, Bruce K.; Gillespie, John W.

doi:10.1177/0021998303034460

Cited by 30 publications

(14 citation statements)

References 8 publications

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“…8 The first numerical works about induction heating of composites were dedicated to the identification of the dominant heating mechanisms. Many authors claimed that Joule heating within the carbon fibers is mainly responsible for the temperature increase, [9][10][11][12][13][14][15][16][17][18][19] while others [20][21][22][23] believed that heating occurs at the fiber junctions. This last heating mechanism relies on dielectric heating or Joule losses caused by contact resistance at fiber junctions.…”

Section: Introductionmentioning

confidence: 99%

Modeling and experimental investigation of induction welding of thermoplastic composites and comparison with other welding processes

O'Shaughnessey

Dubé

Villegas

2016

Journal of Composite Materials

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A three-dimensional finite element model of the induction welding of carbon fiber/polyphenylene sulfide thermoplastic composites is developed. The model takes into account a stainless steel mesh heating element located at the interface of the two composite adherends to be welded. This heating element serves to localize the heating where it is needed most, i.e. at the weld interface. The magnetic, electrical, and thermal properties of the carbon fiber/polyphenylene sulfide composite and other materials are identified experimentally or estimated and implemented in the model. The model predicts the temperature–time curves during the heating of the composite and is used to define processing parameters leading to high-quality welded joints. The effect of the heating element size and input current on the thermal behavior is investigated, both experimentally and using the developed model. The welds quality is assessed through microscopic observations of the weld interfaces, mechanical testing, and observations of the fracture surfaces. A comparison with two other welding processes, namely resistance welding and ultrasonic welding is finally conducted.

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Section: Introductionmentioning

confidence: 99%

Modeling and experimental investigation of induction welding of thermoplastic composites and comparison with other welding processes

O'Shaughnessey

Dubé

Villegas

2016

Journal of Composite Materials

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“…Bir başka çalışmada Kim ve ark. [25], oluşturdukları hesaplama modellerini geliştirmişler ve modellerin etkinliklerini deneysel olarak test etmişlerdir.…”

Section: çEşitli Modellerunclassified

Effects of induction heating in welding of carbon fiber reinforced thermoplastic composites

Olgun¹,

Çavdar²

2018

Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Thermoplastic composites are increasingly preferred not only because of their mechanical features but also production costs and environmental reasons. In order to accelerate heating process for the purpose of economic use of resources by shortening production process, it is essential to study on the effects of the induction heating method on thermoplastic composites. In this study, basic information and components related to induction heating method are explained, then fundamentals and intrinsic structure affecting the heating process are examined and finally the effects of the changes in the parameters of the method on the material are indicated. We assess that this study might be a resource to the researches to create new low-cost production processes of thermoplastic composites.

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“…3 Many different theories about the temperature distribution have been published. 2,7,8 –12 The theories of Rudolf et al, 2 Moser, 3 Miller et al, 8 Kim et al 9 , Yarlagadda 10 , and Fink et al 11,12 consider the temperature distribution in carbon fiber–reinforced thermoplastics. Vrana’s studies 7 refer to nickel alloys and Iwashita et al’s studies 13 examine copper foils.…”

Section: Introductionmentioning

confidence: 99%

Control of the through-thickness temperature distribution in carbon composite aerospace parts during induction welding

Schieler

Beier

Mitscháng

2017

Journal of Thermoplastic Composite Materials

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The increasing content of thermoplastic composites in the aerospace industry requires the application of new joining technologies. Their main assembly advantage is rivetless joining, which needs to be examined in greater detail in order to compensate the higher costs of these materials. Induction welding is already used in aerospace industry and shows a high potential for the application in helicopter manufacturing. In order to implement this technology in serial production, the main requirement is to determine and control the process temperature distribution. A wide range of literature describing various approaches that characterize the aforementioned temperature distribution exists. Although all approaches validate their findings by temperature measurement on the surfaces of their parts, their results seem inconsistent due to different results. In this article, a new approach is presented and validated by interlaminar temperature measurement. Based on this new approach, for induction welding, effects that are not yet described are discussed. Hereby, cooling of the surface by air jets is investigated as a mean to influence the thermal effects of the induction welding process.

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Development of a Numerical Model to Predict In-Plane Heat Generation Patterns During Induction Processing of Carbon Fiber-Reinforced Prepreg Stacks

Cited by 30 publications

References 8 publications

Modeling and experimental investigation of induction welding of thermoplastic composites and comparison with other welding processes

Modeling and experimental investigation of induction welding of thermoplastic composites and comparison with other welding processes

Effects of induction heating in welding of carbon fiber reinforced thermoplastic composites

Control of the through-thickness temperature distribution in carbon composite aerospace parts during induction welding

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