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Composite to Metal Joining: Engineered Bonded Systems

This is a Technical Brief written by Dr. George Ritter, Principal Engineer in our Materials group. George can be contacted at 614.688.5199 or [email protected]. You can view George’s bio here.  If you are interested in this article, you may also be interested in another article on lightweighting. Composites as Structural Materials Composites provide directed, purposeful stress management […]

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Detecting flaws in FSW can be a tough proposition

Friction Stir Welding (FSW) is an advanced welding process that uses a third body (often called the “tool” or “pin”) to generate frictional heat between two parts to create a solid-state bond. Originally developed for thin sheet aluminum, the process has now been adapted for a variety of materials from soft metals (aluminum, copper, magnesium, lead) to […]

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EWI DOES THAT? Technical Inquiry Service Library Services Technical Meetings and Tours Access to Member Web Site Education and Events Member Orientation Technical Seminars Training Classes including Fundamentals of Welding Engineering Applied Research Services Manufacturing Support Services Strategic Services Joining Processes Arc Laser Resistance and solid-state Friction stir Microjoining Brazing and Soldering Ultrasonics Adhesives Plastics […]

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Joining Processes for Solder-Free Electronics

For decades, the primary joining process used in assembly of electronic components has been soldering.  Low-cost equipment and easy training for assembly personnel are two advantages.  Repairability and ease of visual quality inspection of soldered joints are others.  However, more rigorous usage of components, ranging from medical electronics to military weapons systems, can challenge the […]

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EWI has 245

EWI has 245 members!   WELCOME to our newest members: Marinette Marine Corporation is a subsidiary of Fincantieri, one of Europe’s largest shipbuilders.  Their innovative manufacturing techniques allow them to build some of the most technologically advanced vessels in the world. Pandjiris is recognized as the leader in North America in providing solutions for Fixed […]

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The Diction of Friction

From Webster: fric•tion: the rubbing of one body against another; the force that resists relative motion between two bodies in contact. Engineers in almost every field work to avoid friction by use of proper design techniques or by applying oils and lubricants. We’ve all seen the TV commercials talking about how a certain oil product […]

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Bonding Composites to Metals for Medical Applications

Materials that cannot be welded must be joined with mechanical fasteners, solder, braze, or adhesives. For extended service above 450oF, a solder or braze is required. At lower operating temperatures, adhesive bonding is used. Adhesives can bond many diverse material combinations and offer the best approach for joining dissimilar materials in corrosive environments. Fasteners, brazes, […]

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Advanced Energy: Algae is Promising

EWI Helps Algaeventure turn Algae into Fuel Algaeventure Systems, Inc. is a spinoff of Univenture, Inc., an Ohio-based plastics packaging manufacturer that specializes in eco-friendly packaging solutions. Algaeventure was founded to focus on developing technologies to commercialize algae production and separation into oils and bio-feedstocks. They believe that algae has the ability to feed virtually […]

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