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Displaying 52276 - 52300 of 73697

Polyazapolycyclic Caged Polynitramines

February 9, 1998
Author(s)
A T. Nielsen, A P. Chafin, S L. Christian, D W. Moore, M P. Nadler, R A. Nissan, David J. Vanderah, R D. Gilardi, C F. George, J L. Flippen-Anderson

Contact Damage Accumulation in Ti3SiC2

February 3, 1998
Author(s)
I M. Low, S K. Lee, Brian R. Lawn, M W. Barsoum
The evolution of deformation-microfracture damage below Hertzian contacts in a coarse grain Ti3SiC2 is studied. The Hertzian indentation stress-strain response deviates strongly from linearity beyond a well-defined maximum, with pronounced strain-softening

Automated SIMS for Determining Isotopic Distributions in Particle Polutations

February 1, 1998
Author(s)
David S. Simons, John G. Gillen, Cynthia J. Zeissler, R H. Fleming, P J. McNitt
A System has been developed to make rapid automated measurements of isotopic ratios from many individual micrometer-sized particles dispersed on a substrate. High particle throughput is achieved by using a commercial secondary ion microscope to collect

Char Enhancing Approaches to Flame Retarding Polymers

February 1, 1998
Author(s)
Jeffrey W. Gilman, Takashi Kashiwagi, Richard H. Harris Jr., S M. Lomakin, J D. Lichtenhan, A. Bolf, P. Jones
Additives that increase the amount of charcoal-like residue or carbonaceous char that forms during polymer combustion are very effective fire retardants (FR). Our research efforts focus on reducing polymer flammability by promoting char formation. Our
Displaying 52276 - 52300 of 73697
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