Results 61 to 70 of about 2,035,653 (257)

EMUs Electrical Connector Life Prediction Based on Accelerated Degradation Data

open access: yes机车电传动, 2019
The electrical connectors of EMUs play a very important role in train operation. In order to improve the efficiency and accuracy of life prediction of electrial connector products, the connector accelerated test was designed and implemented, and the ...
Jie MA   +4 more
doaj  

Influence of axial load on internal pressure creep of Mod.9Cr-1Mo circumferential welded pipe

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Mod.9Cr-1Mo steel(P91) is widely used for high temperature pipes in ultra-super-critical thermal power plants. However it was recently reported that the creep damage was detected at heat affected zone(HAZ) in welded joints of the pipes so-called the ...
Takashi OGATA   +2 more
doaj   +1 more source

Research on Accelerated Degradation Test Design and Life Prediction for Aluminum Electrolytic Capacitor

open access: yesKongzhi Yu Xinxi Jishu, 2022
As a life sensitive device, aluminum electrolytic capacitor degrades its parameters to a certain extent with the passage of time, which will inevitably affect the life of electronic board, so it is very important to study its degradation law and life ...
YANG Tao, WANG Xu, XIAO Jianglin
doaj  

Creep strength of Mod.9Cr1Mo steel under biaxial stress states

open access: yesNihon Kikai Gakkai ronbunshu, 2014
This paper describes the development of tension, torsion, and combined tension-torsion creep testing machine with hydro static thrust bearing, criterion on creep rupture strength under biaxial stress states was examined.
Naomi HAMADA   +2 more
doaj   +1 more source

A Similarity-Based Prognostics Approach for Remaining Useful Life Prediction [PDF]

open access: yes, 2014
Physics-based and data-driven models are the two major prognostic approaches in the literature with their own advantages and disadvantages. This paper presents a similarity-based data-driven prognostic methodology and efficiency analysis study on ...
Camci, Faith   +2 more
core   +1 more source

Thermal Fatigue Life Prediction of Thermal Barrier Coat on Nozzle Guide Vane via Master–Slave Model

open access: yesApplied Sciences, 2019
The aim of this paper was to develop a master−slave model with fluid-thermo-structure (FTS) interaction for the thermal fatigue life prediction of a thermal barrier coat (TBC) in a nozzle guide vane (NGV).
Peng Guan   +3 more
doaj   +1 more source

Stress analysis and fatigue life prediction of a wobble-plate [PDF]

open access: yes, 2006
A five-stage compressor for compressing natural gas is being designed and evaluated. The compressor operates at 1500 rpm with natural gas pressure of 50 psi.
Osman Ali, Hassan
core  

Research on Life Prediction Model for Eccentric Wear Corrosion Tubing

open access: yesShiyou jixie, 2021
Partial wear and corrosion of tubing in rod pumped wells are important factors that affect their service life. At present, there is no effective method to predict the service life of tubing with partial wear and corrosion.
Zhang Jiang   +6 more
doaj  

High Temperature Performance Evaluation of As-serviced 25Cr35Ni Type Heat-resistant Steel Based on Stress Relaxation Tests

open access: yesCailiao gongcheng, 2017
Based on an as-serviced 25Cr35Ni type steel, the high temperature property evaluation using stress relaxation test(SRT) method and residual life prediction were studied.
XU Jun   +4 more
doaj   +1 more source

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