– Sandwich disbond test standards supporting the ongoing CMH-17 efforts for Rev. H – Evaluation of analysis used by industry for Category 2 and 3 large in-plane damage capability of sandwich structures, including complex structural loading – Development of building block test standards & related data analysis procedures to gain the structural data needed to […]
AMTAS Projects
Find AMTAS Projects
Nanomechanical Characterization of Adhesive Bondlines – JAMS.UW.Bonding
Advanced Materials & Manufacturing Training Innovation Center (AMMTIC)
AMMTIC’s mission is to develop and implement a strategic business plan that supports a self-sustaining advanced materials and manufacturing innovation facility and organization in Snohomish County and in Washington State that integrates public and private research and training initiatives designed to transform the aerospace and other advanced manufacturing workforce and keeps the United States globally […]
Training Strategy Development—Composite Materials Education for Aircraft Practitioners
The objectives of this project are to: Work with industry, other government agencies, and academia to ensure safe and efficient deployment of composite technologies used in existing and future aircraft Update policies, advisory circulars, training, and detailed background used to support standardized composite practices Practitioners will be educated through technology knowledge transfer. The technology knowledge […]
Course Development: Maintenance of Composite Aircraft Structures
The goal of this proposal is to develop, in conjunction with AMTAS academic and industry partners, a syllabus and course material for a short course addressing the maintenance of composite aircraft structures.
Adhesive Hot/Wet Creep Response
This is a Boeing-funded project though the AMTAS center, involving shear lap coupons exposed to hot water and creep stress.
The Effect of Surface Treatment on the Degradation of Composite Adhesives
To ensure the longevity of the commercial aircraft fleet, the long term durability of primary aircraft structure must be understood.
Development of Reliability-Based Damage Tolerant Structural Design Methodology
The purpose of this proposal is to develop a new design approach to quantify the reliability of aerospace structures. In this approach, the “Level of Safety (LOS) of an existing structural component is determined based on a probabilistic assessment of in-service accumulated damage and the ability of non-destructive inspection methods to detect such damage. Specifically, […]
Combined Global/Local Variability and Uncertainty in Integrated Aeroservoelasticity of Composite Aircraft
We propose to the FAA to develop analytical, computational and experimental capabilities to address “Combined Global/Local Variability and Uncertainty in Integrated Aeroservoelasticity of Composite Aircraft”.
Identification and Validation of Analytical Chemistry Methods for Detecting Composite Surface Contamination and Moisture
The primary objective of the proposed work is to verify the reliability and sensitivity of solid-state electrochemical sensors for detecting surface contaminants and moisture on pre-bond surfaces. Sensors, made using the novel concepts applied to solid-state electrochemical materials, were found to be very sensitive in experiments with polyester peel ply samples. However, the method has […]
Inverse/Optimal Thermal Repair of Composites
The goal of this project is to develop a software tool that can be used in the field to optimize the repair of composites by ensuring that the temperature at the repair can be maintained at a specified level for the required duration.
Standardization of Analytical and Experimental Methods for Crashworthiness Energy Absorption of Composite Materials
The proposed research will develop a set of standardized procedures for the experimental and numerical characterization of the crush behavior of composite materials.
Damage Tolerance Test Method Development for Sandwich Composites
The objective of this research project was to investigate candidate damage tolerance test methodologies for sandwich composites and to propose specific methodologies and configurations for standardization. Three candidate test configurations are currently under evaluation. The first methodology utilizes an end-loaded Compression After Impact (CAI) test configuration. Initial evaluations have been performed using sandwich configurations with […]
Composite Thermal Damage Measurement with Hand Held FT-IR
The purpose of this research is to determine if Fourier transform infrared (FTIR) spectroscopy can be used to quantify incipient thermal damage (ITD) in aerospace composites.
Certification of Discontinuous Composite Material Forms for Aircraft Structures
Discontinuous Fiber Composites (DFCs) represent a viable solution for the cost-effective design of secondary structures and components for aeronautical applications.