nanotechnology Archives

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Making Stronger Steel As Light As Aluminum

Ford Fiesta body-in-white

The world’s largest steel maker, ArcelorMital, says it has come up with a new kind of steel that the world has never seen before. Thanks to nanotechnology, the company says automakers can now match the weight of aluminum cars, but do it in steel at far lower cost.

It can take 188 pounds out of the body-in-white of a car… but total weight savings could be even bigger.

Specifically, ArcelorMital says it can take 188 pounds out of the body-in-white of a car. The body-in-white, or BIW, refers to the basic structure of a car, including the doors, hood and deck lid. That’s a big number. By taking so much weight out of the structure, other components such as the powertrain, drivetrain, brakes, etc. can be downsized as well. In other words, the total weight savings could be even bigger.

ArcelorMital is already showing this new kind of steel to automakers. It isn’t yet ready to publicly divulge any of the technical aspects of the steel or how it’s using nanotechnology to make it. The company says we’re still two to three years away before we get those kinds of details. And that’s about the time we’ll see this steel show up in production. No word yet on which car company may be the first to use it, but the rumor on the street is that Ford is all over this technology.

John McElroy is host of the TV program “Autoline Detroit” and daily web video “Autoline Daily”. Every week he brings his unique insights as a Detroit insider to Autoblog readers.

Continue reading Steel nanotechnology can reduce the weight of our cars

Steel nanotechnology can reduce the weight of our cars originally appeared on Autoblog on Mon, 31 Jan 2011 16:30:00 EST. Please see our terms for use of feeds.

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Filed under: Technology

According to recent reports, nanotechology – controlling matter at an atomic and molecular level (thanks, Wikipedia!) – is about to hit the automobile world full-force. And the results could be both good and bad.

First, a few examples of the good: First we have a German chemicals company called Lanxess that’s used nanotechnology to create tires that perform better than traditional rubber in both overall performance and wear. Secondly, under the hood of BMW’s diesel models is a particulate filter coated with tiny carbon nanotubes, enabling it to remove 99 percent of all particulate matter. And finally, Mercedes-Benz has partnered with PPG to create a nanotech paint with a glass-like outer coating that’s three-times less likely to scratch.

According to Wards Auto, though, nano particles “can behave in unexpected ways, passing through human skin into the blood or even brain.” While we’re not experts, the idea of nano particles on the brain doesn’t sound very enticing. It’s also not fully understood how these tiny materials can damage the environment and nature. In deference to these facts, the European Union is reportedly considering how best to define nano particles so it can regulate the technology.

The United States is also looking into nanotechnology regulations. Sally Tinkle, senior science advisor to the National Institute of Environmental Health Sciences, said, “The technology is new enough that we are not yet looking at tires or car bumpers that have nano elements and which have reached the end of their lives… But we understand the immediacy of these questions and the need to protect public health and the environment.”

[Source: Wards Auto]

Nanotechnology standards coming for auto industry? originally appeared on Autoblog on Wed, 04 Aug 2010 16:30:00 EST. Please see our terms for use of feeds.

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