The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites

Thermoplastic overmolding technique is an advanced integrated manufacturing technology to fabricate hybrid fiber reinforced thermoplastic composites (hybrid composites) components in which short fiber reinforced thermoplastics are injected onto the surface of thermoformed continuous fiber reinforced...

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Autores principales:	Liang Fu, Muhan Zhang, Zhanyu Zhai, Fengze Jiang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Overmolded thermoplastic composites Preheating temperature Interface Bonding mechanism Molecule diffusion Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/7e6f79d045a74a389b3dc07196371081
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spelling	oai:doaj.org-article:7e6f79d045a74a389b3dc071963710812021-11-24T04:26:35ZThe influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites0142-941810.1016/j.polymertesting.2021.107425https://doaj.org/article/7e6f79d045a74a389b3dc071963710812022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941821003688https://doaj.org/toc/0142-9418Thermoplastic overmolding technique is an advanced integrated manufacturing technology to fabricate hybrid fiber reinforced thermoplastic composites (hybrid composites) components in which short fiber reinforced thermoplastics are injected onto the surface of thermoformed continuous fiber reinforced thermoplastic (CFRT) laminate (organosheet). To further clarify the bonding mechanism between the heterogeneous interface of short and continuous glass fiber reinforced thermoplastic composites, a series of experimental tests and molecular dynamic (MD) simulations were conducted to investigate the preheating temperature of organosheet on mechanical properties of hybrid composites. The experimental results reveal that the surface roughness of organosheet is increased with raising the preheating temperature, resulting in the enhancement of mechanical interlock at the bonding interface. The interface region in SEM observation is gradually disappeared due to molecule diffusion. Simulation results show that both diffusion coefficient and interfacial bonding energy are clearly improved with preheating temperature. Compared with the non-preheating condition, the flexural strength of the hybrid composite is increased by more than three times when the preheating temperature is set as 220 °C by IR heater. Moreover, the fracture mode of hybrid composites has been proven to change with the preheating temperature.Liang FuMuhan ZhangZhanyu ZhaiFengze JiangElsevierarticleOvermolded thermoplastic compositesPreheating temperatureInterfaceBonding mechanismMolecule diffusionPolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 105, Iss , Pp 107425- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Overmolded thermoplastic composites Preheating temperature Interface Bonding mechanism Molecule diffusion Polymers and polymer manufacture TP1080-1185
spellingShingle	Overmolded thermoplastic composites Preheating temperature Interface Bonding mechanism Molecule diffusion Polymers and polymer manufacture TP1080-1185 Liang Fu Muhan Zhang Zhanyu Zhai Fengze Jiang The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
description	Thermoplastic overmolding technique is an advanced integrated manufacturing technology to fabricate hybrid fiber reinforced thermoplastic composites (hybrid composites) components in which short fiber reinforced thermoplastics are injected onto the surface of thermoformed continuous fiber reinforced thermoplastic (CFRT) laminate (organosheet). To further clarify the bonding mechanism between the heterogeneous interface of short and continuous glass fiber reinforced thermoplastic composites, a series of experimental tests and molecular dynamic (MD) simulations were conducted to investigate the preheating temperature of organosheet on mechanical properties of hybrid composites. The experimental results reveal that the surface roughness of organosheet is increased with raising the preheating temperature, resulting in the enhancement of mechanical interlock at the bonding interface. The interface region in SEM observation is gradually disappeared due to molecule diffusion. Simulation results show that both diffusion coefficient and interfacial bonding energy are clearly improved with preheating temperature. Compared with the non-preheating condition, the flexural strength of the hybrid composite is increased by more than three times when the preheating temperature is set as 220 °C by IR heater. Moreover, the fracture mode of hybrid composites has been proven to change with the preheating temperature.
format	article
author	Liang Fu Muhan Zhang Zhanyu Zhai Fengze Jiang
author_facet	Liang Fu Muhan Zhang Zhanyu Zhai Fengze Jiang
author_sort	Liang Fu
title	The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
title_short	The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
title_full	The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
title_fullStr	The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
title_full_unstemmed	The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
title_sort	influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/7e6f79d045a74a389b3dc07196371081
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The influence of preheating temperature on the mechanical properties of injection-overmolded hybrid glass fiber reinforced thermoplastic composites

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