Location

La Jolla, CA

Start Date

1-1-1998 12:00 AM

Description

The principal MDA task under the Affordable Polymeric Composite Material, Synthesis, and Processing program was the development and implementation of in- process nondestructive evaluation (NDE). The goals of the NDE effort were to: (1) develop an on-line ultrasonic scanning method for the CRTM™ process; (2) demonstrate the feasibility of the approach on a fabricated structure; and (3) incorporate the on-line ultrasonic system into the CRTM™ production line for long-term evaluation of the process during actual fabrication. The cost of NDE is significant for a composite structure fabricated by the hand layup – autoclave process, depending on the complexity of the structure. In addition to the labor required to accomplish the inspection, the part must be removed from the manufacturing flow and transported both to and from an offline inspection facility. A continuous fabrication process such as CRTM™ allows the incorporation of an inspection system directly into the processing line. Significant cost reductions are achievable by performing continuous and simultaneous inspection of composite structures as they are fabricated.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

17B

Chapter

Chapter 7: New Inspection/Control Procedures

Section

Process Modeling/Control

Pages

1883-1890

DOI

10.1007/978-1-4615-5339-7_244

Language

en

File Format

application/pdf

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Jan 1st, 12:00 AM

Development of On-Line NDE for the Continuous Resin Transfer Molding (CRTM)™ Process

La Jolla, CA

The principal MDA task under the Affordable Polymeric Composite Material, Synthesis, and Processing program was the development and implementation of in- process nondestructive evaluation (NDE). The goals of the NDE effort were to: (1) develop an on-line ultrasonic scanning method for the CRTM™ process; (2) demonstrate the feasibility of the approach on a fabricated structure; and (3) incorporate the on-line ultrasonic system into the CRTM™ production line for long-term evaluation of the process during actual fabrication. The cost of NDE is significant for a composite structure fabricated by the hand layup – autoclave process, depending on the complexity of the structure. In addition to the labor required to accomplish the inspection, the part must be removed from the manufacturing flow and transported both to and from an offline inspection facility. A continuous fabrication process such as CRTM™ allows the incorporation of an inspection system directly into the processing line. Significant cost reductions are achievable by performing continuous and simultaneous inspection of composite structures as they are fabricated.