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EDITORIAL COMMITTEE
Mario Epler, Chair, Carpenter Technology Corp.
Yu-Ping Yang, Vice Chair, Edison Welding Institute
Ellen Cerreta, Past Chair, Los Alamos National Lab
William Lenling, Board Liaison
Laura Addessio, PCC Structurals Inc.
Arvind Agarwal, Florida International University
Gerald Bruck, Siemens Westinghouse Power Corp.
Steven Claves, Alcoa Inc.
Adam Farrow, Los Alamos National Lab
Nia Harrison, Ford Motor Co.
Alan Luo, The Ohio State University
Roger Narayan, UNC-NCSU
Scott Olig, Vision Point Systems
Nina Pang, Boston University
Somuri Prasad, Sandia National Lab
Fei Ren, Oak Ridge National Lab
Michael Rigsbee, North Carolina State University
Kumar Sridharan, University of Wisconsin
Jaimie Tiley, U.S. Air Force Research Lab
Cong Wang, Saint-Gobain High Performance
Materials
ASM BOARD OF TRUSTEES
C. Ravi Ravindran, President
Sunniva R. Collins, Vice President
Robert J. Fulton, Treasurer
Gernant E. Maurer, Immediate Past President
Jeffrey A. Hawk
William J. Lenling
Linda S. Schadler
Iver Anderson
Mitchell Dorfman
James C. Foley
Jacqueline M. Earle
John R. Keough
Zi-Kui Liu
Thomas S. Passek, Secretary and Managing
Director
STUDENT BOARD MEMBERS
Jessica Booth, Karly Chester, Raymond Hickey
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materials wi tness
ADVANCED MATERIALS & PROCESSES • MAY 2014 2
Fly the friendly skies
R emember when it was actually fun to fly? Before checked bag
fees, invasive pat-downs and x-rays, and the end of meals
and peanuts? I’m also old enough to remember people enjoying
cigarettes from the comfort of their significantly larger seats. I’m
not saying I enjoy breathing secondhand smoke in confined
spaces, but there was something enjoyably decadent and Mad
Men -ish about the idea. When I was a child, my parents’ airline of
choice was good ole’ Braniff International, which seemed glam-
orous from my limited perspective.
Fast-forward to last fall, flying economy class to Germany on United: People say
“never say never,”but I will never fly economy to Europe again. Trust me, if you’ve expe-
rienced this misery, you will likely agree that“economy plus”is well worth the upcharge
for slightly improved leg room. Yes, jet fuel and modern aircraft are expensive, and who
can blame the airlines for trying to make a buck? In a roundabout way, our annual aero-
space issue addresses these issues in the ongoing quest for lightweighting and related
fuel savings.
Because air travel is a global activity, we’re proud to present articles from researchers
in Canada, China, and the U.S. As Frank Czerwinski of Natural Resources Canada points
out, the number of air travelers is projected to increase more than fivefold to reach 16
billion by 2050. In the interest of reducing aircraft weight to save on both fuel and emis-
sions, the FAA and others are taking a fresh look at the existing ban on using magne-
sium inside commercial aircraft cabins. As the lightest structural metal, this makes a lot
of sense if it can be done safely.
On another topic, our Chinese authors present an informative look at Ti 2AlNb alloy
development and where this technology stands. Their article looks at both opportuni-
ties and challenges, including use of additive manufacturing for aerospace parts. The
authors thank Professor JimWilliams for reviewing their findings, who (coincidentally)
just spoke at the ASM Cleveland Chapter’s annual Zay Jeffries lecture.
In front of a packed house, Prof. Williams, of The University of North Texas and The
Ohio State University, talked about additive manufacturing (AM) of metals, with much
of the discussion related to aerospace. One of his main points, echoed in the titanium
article, is the need to rapidly qualify AM parts. Williams posed the idea that perhaps the
right modeling techniques could be developed to help with qualification, in addition
to sophisticated sensor technology to closely monitor AM processes.
Our third aerospace article, from Sandia National Labs and The University of North
Texas, looks at materials in space, specifically how low earth orbit impacts thin film solid
lubricants. Times are changing for space initiatives these days, especially as privatization
continues. In mid-April, nearly two-and-a-half-tons of NASA science investigations and
cargo made their way to the International Space Station (ISS) aboard SpaceX’s Dragon
spacecraft, the company’s third cargo delivery flight. Dragon’s cargo will support more
than 150 experiments to be conducted by the crews of ISS Expeditions 39 and 40.
If you have a fond memory from the glory days of airline travel, or an aerospace
project you’d like to share, please send a note. We’d love to hear about it.