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Recent Inquiries

Use of Graphene for Stealth in Unmanned Aircraft Systems (UAS)

DSIAC was asked to conduct an analysis of the use of graphene for stealth in UASs.  DSIAC staff searched open-source documents, DSIAC’s repository of previous inquiries, and SCOPUS to identify relevant publications.  Few sources were…

Top Organizations and Researchers in Low Observable Material Science

  The Defense Systems Information Analysis Center (DSIAC) was asked to search available databases to identify the top global researchers and organizations in low observable (LO) material science.   DSIAC searched multiple literature databases, including Elsevier’s…

Historical Rationale for Design Restrictions on D6AC Steel in U.S. Aerospace Structures

  The Defense Systems Information Analysis Center (DSIAC) received a technical inquiry requesting information regarding the field experience that caused D6AC steel to be listed as a restricted material in NAVAIR EC-434-000-003. We performed literature…

Articles

Creature Feature: Twisting Cracks Impart Superhero Toughness to Animals

WEST LAFAYETTE, Ind. – Super-resilient materials found in the animal kingdom owe their strength and toughness to a design strategy that causes cracks to follow the twisting pattern of fibers, preventing catastrophic failure. Researchers in a recent series of papers have documented this behavior in precise detail and also are creating new composite materials modeled

Scientists Develop First Non-Contact Method of Measuring Internal Stresses for Aerospace and Aircraft Engineering

Composite materials have become an integral part of our lives: they are used in aviation and space technologies, as well as the automobile and mining industries. However, there has been a problem of internal stress assessment with composite material designs since their inception. “Scientists from the National University of Science and Technology (NUST) MISIS Center