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SUMMARY:Progress in Additively Manufactured Gradient Materials: Predicting
 \, Making\, and Qualifying - Dr Peter C. Collins\, Iowa State University
DTSTART:20250613T130000Z
DTEND:20250613T140000Z
UID:TALK229624@talks.cam.ac.uk
CONTACT:46601
DESCRIPTION:It is possible to affect a wide variety of gradients into addi
 tively manufactured components\, including bulk structures and lattice str
 uctures. This talk will briefly describe how multiple gradients can be ach
 ieved\, and some technical advances in the modeling associated with achiev
 ing sufficiently precise gradients. However\, while demonstrating that it 
 is possible to create precise gradients is a critical initial step towards
  a future where complex gradients are part of parts and components used in
  service\, it is necessary to develop the predictive tools necessary for d
 esign engineers to incorporate spatially varying properties. In this work\
 , we present an effort to predict the processing-materials state-propertie
 s-performance relationships in Ti-based gradient structures where both com
 position and aging temperatures are spatially controlled. Finally\, recogn
 izing that qualification (including post-manufacture nondestructive evalua
 tion (NDE)) will be a challenging problem\, we present a new concept where
  we extend the concepts of feasibility diagrams for processing to feasibil
 ity diagrams of inspectability.\n\nPeter C. Collins joined the Department 
 of Materials Science and Engineering at Iowa State University in July\, 20
 15.  Dr. Pete Collins received his undergraduate degree in Metallurgical E
 ngineering from the University of Missouri-Rolla\, and his MS and PhD from
  The Ohio State University in Materials Science and Engineering. Prior to 
 joining ISU\, Dr. Collins served as a faculty member and undergraduate coo
 rdinator in the Department of Materials Science and Engineering at the Uni
 versity of North Texas. Dr. Collins has also spent time standing-up a not-
 for-profit 501-3(c) manufacturing laboratory\, and regularly engages with 
 both industry and the government. His experiences and interests involve th
 e practical and theoretical treatments of microstructure-property relation
 ship\, with an extension into composition-microstructure-property relation
 ships derived for complex multi-phase\, multi-component engineering alloys
 . He has extensive experience in participating in large industrial program
 s\, has conducted studies into novel metal matrix composites\, and has sig
 nificant research experience with additive manufacturing techniques\, and 
 combinatorial materials science. Dr. Collins is an active member of TMS\, 
 past chairman of the ICME committee\, member of the Titanium committee\, a
 nd a member of the Materials Processing and Manufacturing Division.\nIn re
 cent years\, Collins and his group have been actively involved in developi
 ng and building new types of instrumentation and experiments.  These inclu
 de developing the first 3D SRAS (spatially resolved acoustic spectroscopy)
  microscope\, bicombinatorial techniques\, reduced-cost wire-fed metal AM 
 systems\, and other techniques aimed at characterizing defects in additive
  manufactured materials.
LOCATION:Oatley 1 Meeting Room\, Department of Engineering
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