Results 21 to 30 of about 360,028 (164)

Process method of Si3N4 ceramic brazing sealed cavity for high-temperature application

open access: yesFrontiers in Chemistry, 2022
The process method of a Si3N4 ceramic sealed cavity is realized by vacuum brazing and chemical reaction at 1,100°C and 0.5 MPa pressure. Through the combination of Si3N4 ceramic polishing and thinning, inductively coupled plasma etching, and high ...
Chen Li   +14 more
doaj   +1 more source

Microstructures, mechanical properties and formation mechanisms of tungsten heavy alloy brazed joints using Cu-Ti-Ni-Zr amorphous filler

open access: yesMaterials & Design, 2022
Vacuum brazing of tungsten heavy alloys (WHAs) was conducted with a design of Cu-Ti-Ni-Zr amorphous filler. The effects of key brazing parameters (brazing temperature T, holding time t) on interfacial microstructures and mechanical properties were ...
Yuxin Xu   +5 more
doaj   +1 more source

Ultrasonic-Assisted Semi-Solid Forming Method and Microstructure Evolution of Aluminum/Copper Brazed Joints

open access: yesMetals, 2020
Aluminum/Copper dissimilar metal connection devices have been widely used in equipment manufacturing. Ultrasonic vibration assisted semi-solid brazing technology is beneficial to improve brazing quality by using the good flow ability and strong ...
Yin Liang   +6 more
doaj   +1 more source

Influence of brazing process parameters on lifetime-determining characteristics

open access: yes, 2023
Vacuum brazing is an effective joining process with high seam quality, especially for components with many joints like the common rail system. Varying the process parameters lead to different seam characteristics and properties.
Jöckel, Andre   +6 more
core   +1 more source

Solidification sequence of Ni-Si-Cr ~3wt% B brazing alloys [PDF]

open access: yes, 2017
Various Ni-Si-Cr-B brazing alloys with a similar boron content (3 wt%) are investigated. Alloy compositions cover a section of the quaternary phase diagram that connects BNi-3 to BNi-9 ternary alloys for industrial use. Samples were melted and solidified
HAMEL-AKRÉ, Johann   +9 more
core   +1 more source

Microstructure and properties of C/C composites brazed with Ni-Cr-P pasty filler metal

open access: yesCailiao gongcheng, 2020
The Ni-Cr-P metal powder was prepared by vacuum melting and inert gas atomization method, and then an organic binder was added and stirred at high speed to prepare a Ni14Cr10P paste-like filler metal. The prepared pasty filler metal was used to braze the
YI Zhen-hua, RAN Li-ping, YI Mao-zhong
doaj   +1 more source

Manufacturing of PAV-ONE, a Permeator against Vacuum Mock-Up with Niobium Membrane

open access: yesEnergies, 2023
The Permeator Against Vacuum (PAV) is one of the proposed technologies for the Tritium Extraction System of the WCLL BB (Water-Cooled Lithium-Lead Breeding Blanket) of the EU DEMO reactor.
Francesca Papa   +8 more
doaj   +1 more source

Technical study for complete one-time sealing of vacuum interrupter [PDF]

open access: yesMATEC Web of Conferences, 2021
This paper briefly describes the development process of sealing technology for vacuum interrupter, analyze the main characteristics of each stage and difficulties in realizing one-time sealing.
Xue Congjun   +3 more
doaj   +1 more source

Vacuum brazing of titanium alloy to stainless steel enhance by fiber laser surface texturing

open access: yesJournal of Mechanical Engineering and Sciences, 2021
A method for improving the brazing joining strength of Titanium alloy/Stainless steel fabricated through fibre laser surface texturing is introduced because it is a simple process that does not require the fabrication of complicated interlayers. However,
A.J. Sulaiman H.   +5 more
doaj   +1 more source

Influence of the microscopic condition of brazing fillets on the fracture behavior of brazed joints

open access: yes, 2023
Common methods for evaluating the fatigue strength of brazed joints do not take account of the microscopic fillet condition and the damage mechanisms in a brazed seam.
Jöckel, Andre   +6 more
core   +1 more source

Home - About - Disclaimer - Privacy