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The United States Army and Marine Corps (USMC) paint their vehicles with the Chemical Agent Resistant Coating (CARC) system. This system consists of a pretreatment, an epoxy primer, and polyurethane topcoat, similar to many other industrial paint systems, but with added functional requirements (e.g., chemical agent resistance, camouflage, and signature reduction) unique to these paints. The systems that utilize these coatings are also designed for specific capabilities, of which corrosion is usually a lower priority. Lastly, the vehicles and equipment of the Army and USMC typically operate in harsh environments, which are highly corrosive.
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The purpose of this document is to introduce Corrosion Control Information Management System (CCIMS), a US Navy partnership success story used to plan maintenance on ships to include assessment tracking, data analysis facilitation, repair/overhaul work planning and future maintenance needs forecasting.
Corrosion significantly impacts safety, availability and sustainment costs of U.S. Air Force (AF) systems and equipment. System downtime due to corrosion maintenance decreases the availability of systems to perform their national defense mission and drives the need for more aircraft and associated logistics tail. In addition, the AF spends about $5.5 Billion per year, about 21 percent of the annual AF maintenance budget, on corrosion maintenance.
The techniques used to measure, design, and test Radar Absorbing Materials (RAM) are described. Absorbing additives are added to polymer materials at a range of concentrations in the laboratory, and then tested over the frequency range of interest to determine the material’s permittivity and permeability. The techniques and algorithms used to extract these values are dependent upon the material under test and the type of information required.
In the summer of 2014 Vulcan Painters spearheaded a project to do surface preparation and recoat seven historic military tanks, asking for help from the industrial painting community, from contractors and suppliers. The aim of the project was to finish the work without expense to the foundation that sought to build a new museum to house 200 years of U.S. Army armor and cavalry history.
What would you say to someone if they accused you of intentionally accepting corrosion that led to damage or loss of military equipment, infrastructure and facilities or the injury, lost time, loss of lifer? The truth is, we do choose to accept corrosion and its negative consequences based on the tradeoffs/choices and limitations we are faced with. Scientists say that the average human makes thousands of decisions every day. Researchers at Cornell have found that the average human makes approximately 230 decisions a day on food alone.
The U.S. Navy has determined that thermal spray coatings can be used as an alternative to traditional epoxy based nonskid coatings under high temperature applications to extend service life. Traditional nonskid coatings break down under the stresses leading to loss of adhesion, deck corrosion and reduced slip resistance. Using a twin-wire arc spray system, the U.S. Naval Research Laboratory (NRL) successfully applied an aluminum-based ceramic-metallic thermal spray material on the flight deck of USS Wasp (LHD 1).
It is well known that corrosion has a significant impact on sustainment, system costs, and system availability to the warfighter. Mitigating such impacts is one of the greatest drivers to DoD Science &Technology (S&T) requirements and therefore research programs.
When protective coatings are considered for application work, normal uses such as concrete coating, waterproofing, abrasion protection; steel corrosion protection; and other protective applications are the norm. However, there is a whole world of other uses for protective coatings including personal protection applications. The reality is that coating systems are being used for a variety of government, military, police and personal protection applications with excellent results.
The USMC CPAC Program provides a holistic approach to corrosion engineering on ground vehicles. This starts with the acquisition of a new system, where CPAC will work with the Program Manager (PM) to develop the contractual requirements for corrosion prevention and aid in the evaluation and verification of an Original Equipment Manufacturer (OEM) to meeting those requirements.