Results 101 to 110 of about 20,778 (247)

Optical Coherence Tomography for High‐Precision Industrial Inspection in Industry 4.0: Advances, Challenges, and Future Trends

open access: yesLaser &Photonics Reviews, EarlyView.
This review examines how optical coherence tomography transforms industrial inspection by delivering real‐time, micrometer‐resolution, depth‐resolved imaging. It surveys applications across display manufacturing, thin films, microelectronics, laser processing, and coatings, evaluates performance against conventional techniques, and highlights emerging ...
Nipun Shantha Kahatapitiya   +7 more
wiley   +1 more source

Brittleness and Control Mechanism of 0Cr21Al6 Stainless Steel Self-Fusion Joint

open access: yesTaiyuan Ligong Daxue xuebao
[Purposes] Exploring the brittleness of FeCrAl stainless steel is of great significance. Because FeCrAl is an ultra-pure ferritic stainless steel, its weld metal grain is coarse, brittle, easy to generate welding cracks, making it difficult to be used in
GUO Zihao   +4 more
doaj   +1 more source

Strain Development During Cure of Partially Pre‐Cured Thermosetting Composites Measured With Distributed Fiber Optic Sensors

open access: yesPolymer Composites, EarlyView.
Schematic representation of the beneficial effect of ply pre‐curing on temperature overshoot, internal strain and warpage during cure of thin and thick thermosetting composites. ABSTRACT Detection of manufacturing‐induced defects in thermosetting composites is crucial to guarantee part quality, safety, and improve manufacturing efficiency.
Francesco Taddei   +3 more
wiley   +1 more source

Joining lead wires to thin platinum alloy films [PDF]

open access: yes, 1983
A two step process of joining a lead wire to .000002 m thick platinum alloy film which rests upon an equally thin alumina insulating layer which is adhered to a metal substrate is described.
Claing, R. G., Przybyszewski, J. S.
core   +1 more source

The Next Frontier: Micro/Nanorobots Operating Inside the Living Body

open access: yesSmartBot, EarlyView.
Micro/nanorobots, with their tiny size and controllable motion capabilities, can perform complex and precise tasks in micro‐spaces, thus showing broad application prospects in the biomedical field. This review systematically summarizes the core advantages of micro/nanorobots in real‐time in vivo imaging, targeted drug delivery, and active barrier ...
Ningbo Yu   +5 more
wiley   +1 more source

NASA Tech Briefs Index, 1977, volume 2, numbers 1-4 [PDF]

open access: yes
Announcements of new technology derived from the research and development activities of NASA are presented. Abstracts, and indexes for subject, personal author, originating center, and Tech Brief number are presented for ...

core   +1 more source

Influence of Higher Tramp Element Level on the Weldability of Automotive Steels

open access: yessteel research international, EarlyView.
The use of green recycled steels is constantly expanding in the automotive industry. The increase in tramp elements resulting from the recycling of steel is problematic. Tramp elements can lead to a negative influence on the weldability. To understand the influence, the welding properties of three green steels are characterized. The potential limits of
Elias Gebhard Vogt   +6 more
wiley   +1 more source

Application of electron and laser beams to spacecraft electronic joining [PDF]

open access: yes
Survey of electron beam and laser techniques applicable to spacecraft ...
Lardenoit, V. F.
core   +1 more source

Numerical Prediction of Deformation‐Induced Martensitic Transformation in Cold‐Sprayed Austenitic Stainless Steel

open access: yessteel research international, EarlyView.
Cold spray deposition of stainless steel (grade: SS304) is evaluated for marine applications, with emphasis on martensitic transformation during impact. Analytical modeling, simulations, and experiments reveal that helium‐assisted spraying of fine powders promotes cooling below the martensitic start temperature, enabling up to ≈40% austenite to ...
Cal Vin Wong   +4 more
wiley   +1 more source

Development of a beam builder for automatic fabrication of large composite space structures [PDF]

open access: yes
The composite material beam builder which will produce triangular beams from pre-consolidated graphite/glass/thermoplastic composite material through automated mechanical processes is presented, side member storage, feed and positioning, ultrasonic ...
Bodle, J. G.
core   +1 more source

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