HomeAbout UsBiographiesDisplay



Dr. S. Lee Semiatin, a member of the scientific and professional cadre of senior executives, is a Senior Scientist in Materials Processing and Processing Science, and research leader of the Metals Processing Group, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio. In this position, he is responsible for formulating and leading the Air Force research and development program in the processing of metals and associated modeling and simulation techniques. He assists other AFRL directorates and Air Force system program offices in solving processing problems for aircraft and space systems.

Dr. Semiatin worked at Battelle Memorial Institute from 1978 to 1991 prior to joining the Air Force. At Battelle he conducted and directed assorted processing-related programs for many government and industrial clients. Much of his government-sponsored work was for the Air Force Materials Laboratory and the Air Force Office of Scientific Research. This included basic studies on flow localization phenomena in various aerospace alloys and the fundamentals of material behavior during deformation processing. Programs for industrial clients focused heavily on developing new products and processes for numerous conventional and advanced alloys for the automotive, appliance, aerospace and other industries. In June 1991, Dr. Semiatin joined the Materials Directorate as senior scientist in the Metals, Ceramics and Nondestructive Evaluation Division, and as research leader of the Processing Science Group. Under his direction, the group conducts basic and applied research and development in four major areas: the processing of conventional and emerging metallic/intermetallic alloys and hybrid materials; physics-based modeling techniques for microstructure prediction and control; novel characterization techniques; and novel processes. This work has led to the development of various new forging, extrusion and rapid heat treatment processes, a number of which are utilized on a production basis. The science-based processing tools whose development he has led are now widely used throughout the aerospace industry. In addition he consults regularly with many manufacturing vendors on material processing problems which affect Air Force systems. 

Dr. Semiatin is also an adjunct professor at the Ohio State University, the University of Dayton, and Wright State University in which capacity  he has advised numerous graduate-level and doctoral program students in their thesis research, often on important Air Force topics. Dr. Semiatin is the author and co-author of more than 300 technical papers, 25 limited-distribution reports, and three books. He has edited a variety of handbooks and conference proceedings. In addition, he holds eight U.S. patents related to processing.

1971 Bachelor of Science degree in engineering mechanics, Johns Hopkins University, Baltimore, Md.
1972 Master of Science degree in metallurgy and materials science, Carnegie-Mellon University, Pittsburgh, Pa.
1977 Doctor of Philosophy degree in metallurgy and materials science, Carnegie-Mellon University, Pittsburgh, Pa.

1. 1977 - 1978, research metallurgist, Low Carbon Steel Section, Armco Inc., Middletown, Ohio
2. 1978 - 1981, research scientist, Metalworking Group, Battelle Memorial Institute, Columbus, Ohio
3. 1981 - 1986, principal research scientist, Metalworking Group, Battelle Memorial Institute, Columbus, Ohio
4. 1986 - 1991, Senior Research Scientist, Metallurgy Department, Battelle Memorial Institute, Columbus, Ohio
5. 1991 - 1996, Senior Scientist, Metals, Ceramics and Nondestructive Evaluation Division, and research leader, Processing Science Group, Materials Directorate, Wright-Patterson AFB, Ohio
6. 1996 - present, Senior Scientist, Materials Processing and Processing Science, and research leader, Metals Processing Group, Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, Ohio

1989 National Aerospace Plane Titanium Aluminide Achievement Award
1992 - 2007 Air Force Office of Scientific Research Star Team Awards
1992 Fellow, ASM International
1993 Cleary Scientific Achievement Award, Materials Directorate, Wright-Patterson AFB, Ohio
1993 Fellow, Air Force Research Laboratory, Wright-Patterson AFB, Ohio
1994 Scientific Achievement Award, Air Force Materiel Command
1995 Air Force Basic Research Award
1996 Honorary member, Alpha Sigma Mu
1999 Albert Sauveur Memorial Lecturer, ASM Boston Chapter
2000 Lifetime Achievement Award in Processing, Thermec'2000
2002 Honorary ScD Degree, Institute for Metal Physics, Kiev, Ukraine
2003 Robert S. Pond Distinguished Lecture in Materials Science, Johns Hopkins University
2007 ASM International Gold Medal
2007 Distinguished Scientist/Engineer Award, Materials Processing and Manufacturing Division, The Minerals, Metals & Materials Society (TMS) 
2007 Meritorious Senior Professional Presidential Rank Award
2008 Fellow, TMS
2008 Distinguished Scientist/Engineer Award, Structural Materials Division, TMS 

1991 - present, adjunct professor, Industrial, Welding and Systems Engineering Department, The Ohio State University, Columbus
1999 - present, adjunct professor, Graduate Materials Engineering Program, University of Dayton, Dayton, Ohio
2000 - present, adjunct professor, School of Graduate Studies, Wright State University, Dayton, Ohio

Metallurgical Society of the American Institute of Mining, Metallurgical, and Petroleum Engineers (TMS-AIME)
Shaping and Forming Committee, Metallurgical Society of AIME
Executive committee member, ASM Dayton Chapter
Board of review, Metallurgical Transactions
ASM Metals Handbook Committee 

(Current as of October 2009)


Facebook Twitter
F-35 #pilots @EdwardsAFB fly more than 30 missions during the @DeptofDefense's #F35 Lightning II initial Operationa… https://t.co/NVPdPeKwve
#TotalForce #Airmen conduct C-5 Super Galaxy maintenance training, ensuring transient aircraft get the maintenance… https://t.co/c1m9LXOzo6
Brig. Gen. Edward L. Vaughan co-leads the #USAF's Joint Physiological Episodes Action Team, a team tasked with the… https://t.co/XHKLhkdybg
#ICYMI: Yesterday @SecAFOfficial congratulated @senorrinhatch for his 40+ years of public service & commitment to t… https://t.co/O8tXEeentT
Staff Sgt. Torri Olivieri, dental services NCOIC, conducts a teeth cleaning in Southwest Asia, Dec. 7. While deploy… https://t.co/4Q1bksCdUt
Beating the odds: After losing half a lung, one adrenal gland, and his spleen, @WVNationalGuard Chaplain completes… https://t.co/JoGKzWA6kI
The 83rd Expeditionary Rescue Squadron at Bagram Airfield performed jump training Dec. 2. These #Airmen train durin… https://t.co/u43PDof3XP
A joint water rescue training between the 354th Civil Engineer Squadron & North Star Volunteer Fire Department of… https://t.co/OBBO1i3qrJ
It’s #B2uesday! The B-2 brings massive firepower to bear, in a short time, anywhere on the globe through previousl… https://t.co/W8AcYPfMIU
.@SecAFOfficial met w/more then 75 executive MBA students from @BerkeleyHaas today. Wilson spoke to the students to… https://t.co/rnFoCboXaH
25 tons of critical supplies airdropped to 56 Micronesian islands, impacting 20k+ people! Learn about the #Airmenhttps://t.co/vHexI85jOc
#DYK: @Norad_Northcom is responsible for tracking every flight over the U.S. and #Canada. They’re so serious about… https://t.co/OkzBo0t2hR
RT @DeptofDefense: Projecting lethality from the air! Fly along with the crew of this #AC130 gunship and see why they call these @USAirFor
The #AirForce & its mission partners successfully launched Space Test Program Satellite 5, or STPSat-5, into orbit… https://t.co/cDd9Mqlk67
The 24th #AirForce #TotalForce #Airmen are responsible for delivering full-spectrum, global cyberspace capabilities… https://t.co/8YsqClWENw
The #F35A is a fifth-generation fighter combining advanced aerodynamics, survivability in high-threat environments… https://t.co/W2nlfOWHGg
Competition builds camaraderie. @TeamMisawa #Airmen partnered with local Japanese community members to forge frien… https://t.co/2RvP9tXnN9
.@jointbasemdl takes the first step & starts construction of the two-bay hangar that will hold the new #KC46 Pegasu… https://t.co/cT0G8DlXPd
The 2018 hurricane season was an active one for @53rdWRS! @USAFReserve #HurricaneHunters flew more than 655 hours a… https://t.co/x1PKaI6fuJ