Choosing materials for a new medical device or consumer product is not a trivial task; without proper care, costly late-stage issues can derail an entire program. Material failures for medical devices, for example, are common and costly; 30-40% of FDA recalls are due to material issues.1 These issues may include compatibility of the fluid formulation […]
Read MoreThe Seven Processes of Additive Manufacturing Additive manufacturing is the process of applying 3D-printing to industrial production that allows materials to be created without joints and with minimal post-processing. Multiple materials can be used during this process, which makes it easy to create new products with minimal waste and lower materials costs. There are seven […]
Read MorePolymer-to-metal welding is important to many industrial applications. For instance, with battery manufacturing, the direct joining of polymers to metals can allow for smaller package designs; in automotive manufacturing, direct joining improves fuel efficiency; and direct joining used in medical device manufacturing results in better quality joints. Recently, EWI investigated a method of direct joining […]
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There are many options available for evaluating the quality of polymer welds. It can be a challenge to select the best one for your application. Yet, choosing the appropriate evaluation method is an essential step in the development and production maintenance of a welding process. Recently EWI conducted research to compare several quantitative and qualitative polymer weld quality evaluation […]
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With precision equipment and a world-class engineering team, EWI is uniquely qualified to offer a full range of testing. Beyond traditional failure assessment, our experts seek out the root causes to help our customers manufacture the highest quality products. EWI’s dedicated laboratory testing services team manages a comprehensive inventory of testing equipment and standardized procedures […]
Read MoreWhy Polypropylene Cannot Be Welded with ABS In order for two materials to weld, there are three main requirements. The materials must be chemically compatible (i.e. the polymer chains must be able to form secondary bonds). Some plastics are compatible this way, however it is mostly different types of amorphous plastics that are compatible with […]
Read MoreWe have had recent interest in looking at methods to join thermoplastics and thermoset composites to titanium from both the aerospace and medical communities. Generally, thermoset composites have higher temperature resistance than thermoplastic materials and must be bonded because they do not melt. Thermoplastic materials are easier to mold and will flow when heated. Therefore […]
Read MoreA few years ago, I wrote about the excitement of a new toy here at EWI. Since then, we’ve gotten several other new toys, but not one as close to my heart as the baby we just unwrapped! EWI recently took possession of a new Harms and Wende RPS100-K12 RFSSW machine! Woohoo! You have no idea […]
Read MoreProper laser eyewear is required whenever a laser is operated in the open. “Open” means the laser beam is exposed and could make contact with humans nearby. Even at low power, lasers can cause serious eye damage. The laser safety officer will determine what type of laser eyewear is required to protect those that need […]
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