TY - JOUR

T1 - Prepreg tack: A review of mechanisms, measurement,and manufacturing implication

AU - Budelmann, Dennis

AU - Schmidt, Carsten

AU - Meiners, Dieter

N1 - ACKNOWLEDGMENTS The authors would like to acknowledge the financial sup-port of the European Regional Development Fund(ERDF) and the federal state of Lower Saxony for the interdisciplinary research project “FlexProCFK.”

PY - 2020/9/21

Y1 - 2020/9/21

N2 - The stickiness of prepregs (tack) is considered a decisive material property for the success of high-quality composite manufacturing by automated lay-up processes such as automated fiber placement (AFP) or automated tape laying (ATL). Adverse control of prepreg tack can easily result in laminate defects or machine breakdown, which are highly undesirable considering the tremendous machinery and material costs of these processes. Prepreg tack is governed by a complex interaction of adhesive and cohesive phenomena that are influenced by machine and environmental parameters of the production process as well as by intrinsic properties of the prepreg material itself. This review aims at providing a condensed insight into the current state of research on prepreg tack. Therefore, experimental studies including the discussion of utilized tack measurement methods as well as model approaches to prepreg tack are reviewed. The findings are discussed against the background of fundamental mechanisms, the strong interdependency of influencing parameters and the challenge of translating measured tack data into an enhanced AFP/ATL process stability by process adjustment.

AB - The stickiness of prepregs (tack) is considered a decisive material property for the success of high-quality composite manufacturing by automated lay-up processes such as automated fiber placement (AFP) or automated tape laying (ATL). Adverse control of prepreg tack can easily result in laminate defects or machine breakdown, which are highly undesirable considering the tremendous machinery and material costs of these processes. Prepreg tack is governed by a complex interaction of adhesive and cohesive phenomena that are influenced by machine and environmental parameters of the production process as well as by intrinsic properties of the prepreg material itself. This review aims at providing a condensed insight into the current state of research on prepreg tack. Therefore, experimental studies including the discussion of utilized tack measurement methods as well as model approaches to prepreg tack are reviewed. The findings are discussed against the background of fundamental mechanisms, the strong interdependency of influencing parameters and the challenge of translating measured tack data into an enhanced AFP/ATL process stability by process adjustment.

KW - adhesion

KW - cohesion

KW - composites

KW - interfaces

KW - processing

UR - http://www.scopus.com/inward/record.url?scp=85085625662&partnerID=8YFLogxK

U2 - 10.1002/pc.25642

DO - 10.1002/pc.25642

M3 - Review article

AN - SCOPUS:85085625662

VL - 41

SP - 3440

EP - 3458

JO - Polymer composites

JF - Polymer composites

SN - 0272-8397

IS - 9

ER -