polymerguru

  It's time for our segment Endless Possibilities! Ultralight eco-friendly carbon-fiber surfboard fins? Designed by @Firewire Surfboards, the "Endorfins" is designed to be screwed into the fin box to secure the base of the fin and allow the carbon flex patterns to truly come to life. In addition, the fins are also designed to float so they can be retrieved from the ocean if needed. Each set is built with a base that is compatible with either FCSII or Futures boxes. The FCSII compatible base will require two screws that will come with the fins. Endorfins with FCSII compatible bases will not click in and click out. Combining that knowledge, and several rounds of testing and adjusting over the past year and a half, they are excited to present Endorfins to the world. The design of these fins is the culmination of many years and extensive experience with a variety of designs and templates. This unique flex pattern is created by a carbon twill, layered with an ultralight carbon...

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  Michael Faraday invented electric motors in 1821 and built this model of his electric motor in 1822. On 3 September 1821, Faraday observed the circular rotation of a wire as it was attracted and repelled by magnetic poles. He sketched in his notebook a clockwise rotation around the south pole of the magnet, and the reverse around the north pole. "Very satisfactory," he wrote in his entry on the day's experiment, "but make more sensible apparatus." Faraday continued experimenting into the fall of 1831, this time with a permanent magnet. He discovered that he could produce a constant current by rotating a copper disk between the two poles of a permanent magnet. This was the first dynamo and the direct ancestor of truly useful electric motors. Credit: IEEE

  📢Microscopic Mondays!📢 Today we have another microscopy that looks like modern art! This picture shows a post-tear/delamination of a woven carbon fiber composite sample! It was taken using a darkfield mode that delivers high contrast and enables viewing the half section of the delaminated composite ply, providing unique insights on the distribution of the epoxy within the sample! Beautiful isn't it? 😍 Source: ZEISS #managingcomposites

  I prepared a project report for the TYPE 4 Composite CNG cylinder project for a Multinational company for their entry into the Gas storage system this year. I have been invited to present it to the board of directors in the next few weeks.

  There will be a spectrum of climate-friendly strategies being used throughout the winter games. China will be making its best attempt at holding a carbon-neutral Olympics as it deploys a range of different types of renewable energy, among other strategies it is adopting for the Winter games in Beijing. Renewable energy, including solar and wind from Zhangjiakou, will provide much of the games’ power. Zhangjiakou is located about 100 miles northwest of the host city of Beijing. Its terrain and weather make it one of the country’s best resources for solar and wind energy production. As such, it is somewhat of an unofficial co-host to what is aiming to be the first carbon-neutral Olympics. That region’s renewables comprise about half its electricity output, even though only about a third of the full 70-gigawatt potential has been installed so far. C hina intends to make this the greenest winter games that have ever been held. Beijing intends to use renewables to power all 26 of its ...

  The BMW Group has launched a new ENGEL production unit at its Landshut production plant. The kidney-shaped badge for the electric BMW iX is produced in a cleanroom atmosphere. Both the BMW Group and ENGEL are breaking completely new ground here, prompting the International Society for Plastics Technology (SPE Central Europe) to honor the application with the SPE Grand Award 2021. Kidney-Shaped Badge for Assisted Autonomous Driving Once the radiator grille, this characteristic design feature of all BMW models have taken on a new role following electrification of the drivetrains. The kidney-shaped badge protects the camera as well as several sensors for assisted and, in the future, autonomous driving. The new function means that both the design and the manufacturing process for the kidney-shaped badge have changed fundamentally. In an integrated process, a heat-able functional film is back-molded with polycarbonate and flood-coated with polyurethane. This is a combination of proces...

  📢Time to Get Technical...📢 Let's learn more about BMC's! 👀 Bulk molding compound (BMC) is a bulky mixture of chopped glass fibers, resin paste, and fillers. Even though other fibers such as sisal, asbestos, carbon, aramid, chopped nylon rag, and wood are used, the most common reinforcing fiber in BMC is E-glass fiber. As BMC is usually mixed in a dough-like form rather than as a sheet, it is also called a dough molding compound (DMC) and is sold in a log or rope form. The resin formulation of BMC materials is similar to SMC materials. Chopped glass fibers are compounded with the resin paste in an intensive mixer and extruded in the form of a continuous log. The extruded log is cut to the desired length by a pneumatic cutter located outside the extruder. The glass fiber content of BMC is generally 5∼10% lower than that of SMC, and the fibers are shorter (generally less than 25 mm). Therefore, the mechanical properties of BMC are lower than those of SMC. The impact strength ...

  Denmark aims to make its domestic flights' fossil fuel-free by the end of the decade, according to its Prime Minister. In her New Year’s address, Denmark’s Prime Minister Mette Fredriksen announced that she aims to “make flying green” inside the country. Although she acknowledges that the solutions are not yet in place in order to reach this goal, the announcement marks a strong — if not fully official — embracing of this goal. On a larger scale, Denmark aims to slash its overall carbon emissions by 70% compared to 1990 levels by 2030. Fredriksen’s aim to de-couple internal flights from fossil fuel use would help push the country closer to that goal. She admits that making domestic flights fully green is no small feat, adding that researchers, as well as transport companies, are working to find solutions. For example, Airbus, a European airplane manufacturer, has announced plans to have hydrogen-fueled planes operational by 2035. If that hydrogen is generated using rene...