Results 141 to 150 of about 2,766,525 (342)

Numerical Study and Theoretical Model of Shaped Charge Jet Penetrating Into Thick-Walled Target With Following Velocity

open access: yesInternational Journal of Aerospace Engineering
In order to investigate the effect of the carrier’s initial velocity on the jet’s damage power, this paper conducted the numerical simulation of a jet penetrating thick-walled targets at various following velocities (the carrier’s initial velocity).
Jun-run Li   +5 more
doaj   +1 more source

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

Depth of penetration in gas metal arc welding [PDF]

open access: yes, 1998
The authors present a model of the depth of penetration in gas metal arc welding. This model is based on the assumption that the heat and mass transfer to the weld pool and the depth of penetration may be correlated by a dimensionless relation.
Scotti, A., Murray, P.E.
core  

Expended penetration work (mean ±SD) (J) of artificial probes up to 100 mm penetration depth.

open access: yes, 2018
Expended penetration work (mean ±SD) (J) of artificial probes up to 100 mm penetration depth.
Nicola Maria Pugno (5345915)   +4 more
core   +1 more source

Enhancement of Penetration Depth and Focality in Transcranial Magnetic Stimulation Using Combined X-halo and Annulus Sector Coils

open access: yesIEEE Access
Transcranial magnetic stimulation (TMS), a non-invasive therapeutic method, has attracted considerable interest for its potential in addressing diverse neurological disorders.
Hongjoon Cho, Changil Choi, Jinho Jeong
doaj   +1 more source

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

Fast Penetration Depth Estimation for Elastic Bodies

open access: yes, 2007
We present a fast penetration depth estimation algorithm between deformable polyhedral objects. We assume the continuum of non-rigid models are discretized using standard techniques, such as finite element or finite difference methods.
Using Deformed Distance
core  

Penetration depth studies of unconventional superconductors

open access: yes, 2018
We have setup a tunnel-diode oscillator based self-resonating technique operating at 26 MHz to probe the temperature-dependence of the magnetic penetration depth λ. Using this high resolution setup with a noise level of 2 parts-per-billion (ppb), we have
Mitra, Sourav
core   +1 more source

Fostering Innovation: Streamlining Magnetocaloric Materials Research by Digitalization

open access: yesAdvanced Engineering Materials, EarlyView.
Magnetocaloric cooling (MCE) is an environmentally friendly refrigeration method with great potential. Optimizing MCE materials involves the preparation and screening of large quantities of samples, which in turn generates a large amount of data. A digitalization approach is presented that uses ontologies, knowledge graphs, and digital workflows to ...
Simon Bekemeier   +17 more
wiley   +1 more source

Penetration Depth Local Effect of Impactors on Concrete Structures

open access: yesJournal of Engineering and Sustainable Development, 2010
Available formulae for predicting the penetration depth of concrete structures impacted by a solid missile are summarized and reviewed. Based on a statistical analysis of existing data, a new formula has been proposed for predicting the penetration ...
Eyad K. S. Al-Hachamee   +1 more
doaj  

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