Results 141 to 150 of about 3,633,503 (319)

Ninth Flyer 7_2_1997

open access: yes, 2014
The quarterly newsletter, The Ninth Flyer, published by the Ninth Air Force Association, Inc.
9th Air Force Association
core  

N8197 v. 1 no. 5.

open access: yes, 2020
Mediterranean Allied Tactical Air Force, an operational component of Mediterranean Allied Air Forces, was an integrated command composed mainly of United States Army Air Force (Twelfth Air Force) and Royal Air Force (Desert Air Force) units.
Mediterranean Allied Tactical Air Force
core  

Karl Popper and the Mechanisms of Hydrogen Embrittlement

open access: yesAdvanced Engineering Materials, EarlyView.
Representation of the beginning of loss of ductility rather than embrittlement. Small concentrations of hydrogen in a diffusible form within iron are well‐established to harm the mechanical integrity of steels. There are theories that attempt to explain the pernicious role of hydrogen.
H. K. D. H. Bhadeshia
wiley   +1 more source

Ninth Flyer 1_3_1991

open access: yes, 2014
The quarterly newsletter, The Ninth Flyer, published by the Ninth Air Force Association, Inc.
9th Air Force Association
core  

Understanding the Stochastic Nature of Process Parameter Development of Blown Powder Laser Beam Directed Energy Deposition Additive Manufacturing of Pure Molybdenum

open access: yesAdvanced Engineering Materials, EarlyView.
Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies   +2 more
wiley   +1 more source

Ninth Flyer 21_3_2011

open access: yes, 2014
The quarterly newsletter, The Ninth Flyer, published by the Ninth Air Force Association, Inc.
9th Air Force Association
core  

Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing

open access: yesAdvanced Engineering Materials, EarlyView.
The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai   +6 more
wiley   +1 more source

Other title: Air Quality Management in Kansas

open access: yes, 2000
application/pdfA set of 22 documents provided by the Bureau of Air and Radiation and its successor, the Bureau of Air, of the Kansas Department of Health and Environment with resources and information on Air Quality Management in Kansas.Air quality ...
Kansas. Bureau of Air and Radiation.
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Fatigue Crack Initiation and Growth in Nanocrystalline Ni at Multiple Length‐Scales

open access: yesAdvanced Engineering Materials, EarlyView.
Overview of miniaturized in situ SEM fatigue setup and resultant fatigue crack growth data for nanocrystalline Ni. The presented study focuses on the analysis of fatigue crack growth rate (FCGR) in focused ion beam‐notched microcantilevers prepared from nanocrystalline (NC) Ni as a model material.
Igor Moravcik   +7 more
wiley   +1 more source

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