Results 121 to 130 of about 20,755 (235)

Growth of Subsurface Fatigue Fractures in Large‐Size Bevel Gears

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 2, Page 640-652, February 2026.
ABSTRACT Large‐size bevel gears are commonly used in marine industry for the applications of propulsion, such as azimuth thrusters. The gears are typically designed for specific use, as they are directly transferring power from one component to another.
Erkka Pentti Kasper Virtanen   +4 more
wiley   +1 more source

Monthly progress report no. 6, apr. 10 - may 10, 1965 [PDF]

open access: yes
Leak testing and welding gold plated Kovar covers to precision flat ...
Luckhardt, P. G.
core   +1 more source

Robot‐Assisted Automated Serial‐Sectioning and Imaging for 3D Microstructural Investigations

open access: yesAdvanced Engineering Materials, Volume 28, Issue 2, 21 January 2026.
A fully automated 3D microstructure characterization platform provides new insights into materials. This robot‐assisted system performs serial‐sectioning, etching, and optical imaging to generate large‐volume 3D reconstructions with submicron resolution.
Michael Moschetti   +7 more
wiley   +1 more source

Method of joining aluminum to stainless steel Patent [PDF]

open access: yes, 1969
Joining aluminum to stainless steel by bonding aluminum coatings onto titanium coated stainless steel and brazing aluminum to aluminum/titanium coated ...
Huschke, E. G., Jr., Nord, D. B.
core   +1 more source

Welding technology [PDF]

open access: yes
Welding processes which have been developed during NASA space program activities are discussed. The subjects considered are: (1) welding with an electron gun, (2) technology of welding special alloys, and (3) welding shop techniques and equipment.

core   +1 more source

Evacuation port seal Patent [PDF]

open access: yes, 1968
Sealing evacuation port and evacuating vacuum container such as space ...
Woller, J. A.
core   +1 more source

Tribological behaviour of copper oxide nanoparticle suspension [PDF]

open access: yes, 2008
This work presents and discusses the tribological behaviour of nanoparticle suspensions in a polyalphaolefin (PAO6). CuO nanoparticles were separately dispersed at 0.5, 1.0 and 2.0% wt. in PAO6 using an ultrasonic probe for 2 minutes.
Fernandez, J.E.   +2 more
core  

Ultrasonic stir welding process and apparatus [PDF]

open access: yes, 2009
An ultrasonic stir welding device provides a method and apparatus for elevating the temperature of a work piece utilizing at least one ultrasonic heater.
Ding, R. Jeffrey
core   +1 more source

Fabrication and test of a space power boiler feed electromagnetic pump. Part 1: Design and manufacture of pump [PDF]

open access: yes
A three-phase helical induction electromagnetic (EM) pump has been designed and built. This pump was designed for use as the boiler-feed pump of a potassium Rankine-cycle space electric power system.
Gahan, J. W.   +3 more
core   +1 more source

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