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EPA racing clock for 50-state emissions plan
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WASHINGTON—Acting EPA Administrator Andrew Wheeler defended Jan. 16 the Trump administration's proposal to scale back tailpipe emissions standards and held out hope for an agreement with...
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WASHINGTON—Acting EPA Administrator Andrew Wheeler defended the Trump administration's proposal to scale back tailpipe emissions standards and held out hope for an agreement with California on a national program that would make compliance less costly for auto makers. WASHINGTON—Acting EPA Administrator Andrew Wheeler defended the Trump administration's proposal to scale back tailpipe emissions standards and held out hope for an agreement with California on a national program that would make compliance less costly for auto makers. $WASHINGTON—Acting EPA Administrator Andrew Wheeler defended the Trump administration's proposal to scale back tailpipe emissions standards and held out hope for an agreement with California on a national program that would make compliance less costly for auto makers.
Experts say electric vehicles put greater emphasis on lightweight parts
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DETROIT—In case you hadn't noticed, what with the steady background thrum of the U.S. auto industry having just wrapped up its fourth-strongest sales year on record—while at the same...
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DETROIT—The global auto industry has taken a big shine to electric vehicles, and the shockwave is hitting auto makers, materials companies and parts suppliers at nearly every tier level. DETROIT—The global auto industry has taken a big shine to electric vehicles, and the shockwave is hitting auto makers, materials companies and parts suppliers at nearly every tier level. $DETROIT—The global auto industry has taken a big shine to electric vehicles, and the shockwave is hitting auto makers, materials companies and parts suppliers at nearly every tier level.
Wacky World of Rubber: Goodbye to Le Grand K
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Deep in a vault just outside of Paris, a hunk of metal sits vacuum-sealed under three jars. This was arguably the most important piece of metal in the world. Now, it's just another rock....
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Deep in a vault just outside of Paris, a hunk of metal sits vacuum-sealed under three jars. This was arguably the most important piece of metal in the world—the universal definition of a kilogram. Now, it's just another rock. Deep in a vault just outside of Paris, a hunk of metal sits vacuum-sealed under three jars. This was arguably the most important piece of metal in the world—the universal definition of a kilogram. Now, it's just another rock. $Deep in a vault just outside of Paris, a hunk of metal sits vacuum-sealed under three jars. This was arguably the most important piece of metal in the world—the universal definition of a kilogram. Now, it's just another rock.
Lord looks to keep pushing past $1 billion sales milestone
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CARY, N.C.—There's always another summit in the business world, but that doesn't mean Lord Corp. can't stop and enjoy the view after reaching a pretty big one. The Cary-based provider of...
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CARY, N.C.—There's always another summit in the business world, but that doesn't mean Lord Corp. can't stop and enjoy the view after reaching a pretty big one. CARY, N.C.—There's always another summit in the business world, but that doesn't mean Lord Corp. can't stop and enjoy the view after reaching a pretty big one. $ CARY, N.C.—There's always another summit in the business world, but that doesn't mean Lord Corp. can't stop and enjoy the view after reaching a pretty big one.
Trump expected to propose legislation to broaden powers to impose tariffs (updated)
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WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods. The...
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WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods. WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods. $WASHINGTON—Industry officials are waiting to see the details of a Trump administration draft bill that would substantially change the imposition of tariffs on foreign goods.
BASF plans major R&D projects to cut carbon emissions
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LUDWIGSHAFEN, Germany—BASF S.E. has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral...
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LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030. LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030. $LUDWIGSHAFEN, Germany—BASF has announced a number of R&D projects to reduce carbon emissions as part of its new corporate strategy, which will see the company becoming CO2-neutral by 2030.
Cooper Standard looking beyond automotive, diversifying with acquisitions
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NOVI, Mich.—Cooper Standard Automotive Inc. changed a lot in 2018. After executing five major deals—four acquisitions and a divestiture of one of its primary product...
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NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business. NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business. $ NOVI, Mich.—After executing five major deals—four acquisitions and a divestiture of one of its primary product lines—Cooper Standard has reshaped its core product offerings and set the foundation for its non-automotive business.
Mobile, Alabama, may become export hub
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Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. Alabama has become a manufacturing...
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Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies. $Alabama officials are optimistic that the Port of Mobile soon will be another arrow in the state's quiver of economic benefits to attract automotive companies.
Final winter auto show ends an era but also forges a path to the future
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DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. Among the changes? More movement on the ...
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DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen. $DETROIT—This year's North American International Auto Show is the end of an era, but it also reflects a transition that's already starting to happen.
Light trucks take a record 69% of U.S. market
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DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the...
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DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year. DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year. $DETROIT—U.S. sales for each of the five largest auto brands—Ford, Toyota, Chevrolet, Honda and Nissan—declined in 2018. But the No. 6 brand, Jeep, grew enough to keep the entire industry in the black for the year.
Digital Edition
Digital Edition
Published on September 22, 2004

THE INTER-RELATIONSHIP BETWEEN DYNAMIC AND DYNAMIC PROPERETIES

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Date Published September 22, 2004
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It is shown that dynamic storage modulus and dynamic loss modulus exhibit proportionality over a wide temperature range for carbon black filled compounds. This proportionality remains irrespective of carbon black loading and type. Silica filled compounds also exhibit proportionality between dynamic storage modulus (E’) and dynamic loss modulus (E") over a wide temperature range above Tg. Carbon black filled compounds and silica filled compounds however clearly reside on different lines. By making selective compound changes the slope of the E’ versus E" plot, the intercept on the abscissa and the departure from linearity can be altered in a controlled fashion. Due to this inherent proportionality carbon black filled compounds could conveniently be characterized by a single dynamic parameter over a wide working temperature range. It is shown that dynamic properties have a weak effect on DIN abrasion loss. Some carbon black grades lie on the same fundamental trend line while others show a clear discontinuity. Silica filled compounds show discontinuity with N234 and N339 filled compounds. 
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