Results 91 to 100 of about 24,069 (204)

Simultaneously improved strength and ductility of selective electron beam melted Ti6Al4V using ultrasonic surface rolling process

open access: yesJournal of Materials Research and Technology
In this study, surface ultrasonic rolling processing (USRP) was used to strengthen the surface of Ti6Al4V via selective electron beam melting (SEBM), and the effect of different loads (200 N, 400 N, 600 N, 800 N, 1000 N) during USRP on the microstructure
Zhongqiang Liu   +7 more
doaj   +1 more source

Formation mechanism of blade surface integrity based on hybrid process of cryogenic minimum quantity lubrication and ultrasonic rolling strengthening process

open access: yesMaterials & Design
This study proposes a hybrid process method based on Cryogenic Minimum Quantity Lubrication and Ultrasonic Rolling Strengthening Process (CMQL-URSP) to improve the surface integrity and enhance the mechanical properties of blade surface.
Yang Zheng   +5 more
doaj   +1 more source

Study of the general mechanism of stress corrosion of aluminum alloys and development of techniques for its detection Annual summary report, 2 Jun. 1967 - 1 Jun. 1968 [PDF]

open access: yes
Stress corrosion cracking of high strength aluminum alloys investigated by electrochemical, mechanical, and electron microscopic ...
Bell, R. O.   +5 more
core   +1 more source

Effect of corrosion on the fatigue damage behavior of M50 steel treated by ultrasonic surface rolling process

open access: yesJournal of Materials Research and Technology
Ultrasonic surface rolling process (USRP) can improve the fatigue performance of M50 steel, but corrosion during service may affect the anti-fatigue performance.
Shuaixing Wang   +5 more
doaj   +1 more source

A comparison study on different NDT techniques used for testing bond quality in cold roll bonded AlSn alloy/steel bimetal strips [PDF]

open access: yes, 2017
This paper presents non-destructive testing (NDT) results for the detection of bond defects in aluminium-tin (Al-Sn) alloy/steel bimetal strips. Among all types of bimetal strip that are used in the automotive industry for plain journal engine bearings ...
Campbell, Sylvia   +2 more
core  

Estimating Workforce Development Needs for High-Speed Rail in California, Research Report 11-16 [PDF]

open access: yes, 2012
This study provides an assessment of the job creation and attendant education and training needs associated with the creation of the California High-Speed Rail (CHSR) network, scheduled to begin construction in September 2012.
Estrada, Katherine   +2 more
core   +1 more source

Hermetic edge sealing of photovoltaic modules [PDF]

open access: yes
The feasibility of using an electrostatic bonding (ESB) and ultrasonic welding process to produce hermetic edge seals on terrestrial solar cell modules was investigated.
Nowlan, M. J.
core   +1 more source

A Reliability Study of Phased Array Ultrasonic Inspections Applied to Aluminothermic Welds in Rails [PDF]

open access: yes, 2017
Nowadays, long welded railway rails are achieved by means of aluminothermic and flush-butt welding processes. Compared to bolted joints, welds proved to be effective in terms of reduced wheel damage, ride comfort and maintenance.
Carboni, M., Gianneo, A.
core  

Ultrasonic surface rolling process induced elastic-plastic stress wave [PDF]

open access: yesProceedings of the 2015 6th International Conference on Manufacturing Science and Engineering, 2015
openaire   +1 more source

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