Mold filling analysis in vacuum‐assisted resin transfer molding. Part II: SCRIMP based on grooves

Ni, Jun; Li, Shoujie; Sun, Xingming; Lee, L. James

doi:10.1002/pc.10156

Cited by 37 publications

(31 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The experimental permeability of each specimen derived from the in-plane flowing experiments and the predictive permeability obtained from the fitting curves showed in Table 3. The diversity of predictive and experimental permeability in Table 3 almost below ±15% and the experiments with large diversity happened in thick laminates, such as (MD) × 4 + M and (MLT) × 5 + M, because the channel effect [8] easily occurred in the sides of thick laminates and affected the observation of flowing process. The permeability of single-type laminates with white dots and data of multi-type laminates with black dots on top and bottom surfaces displays in Figure 6(a) and Figure 6(b) respectively.…”

Section: Permeability Prediction Of Fiber Laminates With Single-type mentioning

confidence: 99%

“…The VARTM simulation involves with parameters, such as the viscosity of resin, the porosity and permeability of fiber laminates. The permeability of FRP laminates is critical in the manufacturing process and numerous researchers have investigated the measurements and analytical models of permeability [7,8] [ [11][12][13][14][15]. Sun [7] and Ni [8] set up a device to visualize the experimental results and measurements of permeability.…”

Section: Introductionmentioning

confidence: 99%

“…The permeability of FRP laminates is critical in the manufacturing process and numerous researchers have investigated the measurements and analytical models of permeability [7,8] [ [11][12][13][14][15]. Sun [7] and Ni [8] set up a device to visualize the experimental results and measurements of permeability. Wang and Demaria [11][12][13] characterized the in-plane permeability of woven fabrics and proposed a predictive model.…”

Section: Introductionmentioning

confidence: 99%

“…With respect to the VARTM simulation, Mohan [6] modeled flow in channels based on a finite element method. Sun [7] and Ni [8] applied CV-FEM to predict the filling time and pattern associated with high-permeable medium and grooves in the SCRIMP process. Koorevaar [9,10] adopted 2.5D flow models, meaning that resin flow in the thickness direction is neglected, although the geometries are described as 3D, to simulate the VARTM and RTM process.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A Prediction Method for In-Plane Permeability and Manufacturing Applications in the VARTM Process

Lee¹,

Jhan²,

Chung³

et al. 2011

ENG

View full text Add to dashboard Cite

VARTM (Vacuum Assisted Resin Transfer Molding) is a popular method for manufacturing large-scaled, single-sided mold composite structures, such as wind turbine blades and yachts. Simulation to find the proper infusion scenario before manufacturing is essential to avoid dry spots as well as incomplete saturation and various fiber weaves with different permeability affect numerical simulation tremendously. This study focused on deriving the in-plane permeability prediction method for FRP (Fiber Reinforced Plastics) laminates in the VARTM process by experimental measurements and numerical analysis. The method provided an efficient way to determine the permeability of laminates without conducting lots of experiments in the future. In-plane permeability imported into the software, RTM-Worx, to simulate resin flowing pattern before the infusion experiments of a 3D ship hull with two different infusion scenarios. The close agreement between experiments and simulations proved the correctness and applicability of the prediction method for the in-plane permeability.

show abstract

Section: Permeability Prediction Of Fiber Laminates With Single-type mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Prediction Method for In-Plane Permeability and Manufacturing Applications in the VARTM Process

Lee¹,

Jhan²,

Chung³

et al. 2011

ENG

View full text Add to dashboard Cite

show abstract

“…Nevertheless, a few studies about resin flow through sandwich composites can be found. Jun Ni et al (1998) studied the resin flow in a sandwich composite with a grooved core designed to speed up the mold filling process. An analytic model for unidirectional flow advancement in a sandwich composite with fibrous core was presented by Song and Youn (2007).…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of the vacuum infusion process for sandwich composites with perforated core and different fiber orientations

Hurtado

Kaiser

Viedma

et al. 2015

Jnl of Sandwich Structures & Materials

View full text Add to dashboard Cite

The vacuum infusion is a process usually applied to manufacture large structures of composite materials, such as wind turbine blades. The specific stiffness and weight ratio required by these structures can be achieved by manufacturing sandwich composites. The forecast by numerical simulation of the resin infusion flow is an indispensable tool to design and optimize the manufacturing process of composite. Present work analyzes by numerical simulation the mold filling process of a sandwich composite, performed by fiberglass plies with different fiber orientations and a perforated core. The flow through a single perforation of the core is analyzed and the influence of the permeability values of fiberglass on the volume flow through core perforations is determined. In order to reduce the computing costs, a transfer function to simulate the flow through the perforations is developed and integrated in the numerical code by computational subroutines. A 3D numerical modelling of a sandwich composite, in which the flow through the core perforations is simulated via computational subroutines, is carried out and experimentally validated. KeywordsVacuum infusion, sandwich composites, perforated core, fiber orientation, computational modeling

show abstract

Resin Infusion Under Flexible Tooling ( RIFT )

Summerscales

2012

Wiley Encyclopedia of Composites

View full text Add to dashboard Cite

The traditional processes for the manufacture of high performance composite shell structures are (i) vacuum bagging (VB)/VB with autoclave cure VB(A), (ii) resin transfer molding (RTM), and (iii) compression molding. Over recent years, there have been a number of novel “infusion” processes introduced, which span the gap between VB(A) and RTM. The new processes are known by a confusing set of names or acronyms—each company uses a distinct name, yet often the processes are near identical. The infusion processes can be mapped onto four distinct generic processes: Resin infusion in the plane of the fabric (Type I), Resin infusion with a flow medium/transport or distribution mesh (Type II), Resin film infusion (Type III), and Semipreg techniques (Type IV). This article describes the attributes of each of the four variants above and considers their relative advantages and issues.

show abstract

Mold filling analysis in vacuum‐assisted resin transfer molding. Part II: SCRIMP based on grooves

Cited by 37 publications

References 5 publications

A Prediction Method for In-Plane Permeability and Manufacturing Applications in the VARTM Process

A Prediction Method for In-Plane Permeability and Manufacturing Applications in the VARTM Process

Numerical analysis of the vacuum infusion process for sandwich composites with perforated core and different fiber orientations

Resin Infusion Under Flexible Tooling ( RIFT )

Contact Info

Product

Resources

About