Results 1 to 10 of about 83,289 (172)

Numerical and experimental research of helical gear contact stress considering the influence of friction

open access: yesFrontiers in Mechanical Engineering, 2022
Helical gears are widely used in various mechanical transmissions. Thus, analysing gear contact stresses is crucial to improve the fatigue limit and life of gears. In this paper, the contact stress of helical gear is analyzed by finite element simulation
Xiaopeng Yang   +5 more
doaj   +1 more source

Study of frictional properties, long-term (cyclic) strength of materials of brake pads of motor vehicles

open access: yesПроблеми трибології, 2023
Fractogram analysis shows that deep scratches, particles of titanium and chromium carbides and other elements were found on the friction surfaces. Moreover, in the braking devices there was damage to the large size of the brake pads of trucks.
V.D. Makarenko   +4 more
doaj   +1 more source

Study of the Fatigue Property for 6082 - T6/7075 - T6 Dissimilar Aluminum Alloys Joints by Friction Stir Welding [PDF]

open access: yesCailiao Baohu, 2021
With the purpose of improving the service reliability of dissimilar high strength aluminum alloy welded joints under complex alternating loads, the influencing factors of fatigue property and fatigue fracture for 6082 - T6 / 7075 - T6 dissimilar aluminum
ZHAO Zi - mo, HUANG Yue, WANG Shou - jing
doaj   +1 more source

About Estimation of the Influence of Non-Uniformity of Initial States on Lifetime of Friction Pairs and Tribo-Fatigue Systems

open access: yesМеханика машин, механизмов и материалов, 2021
The article analyzes relationships of the non-uniformity of the initial states and the lifetime of friction pairs and tribo-fatigue systems based on the results of the inspection of the technical condition after operating time and laboratory tests.
Alexander V. Bogdanovich
doaj   +1 more source

Examination of microstructure and mechanical properties of direct additive recycling for Al-Mg-Mn alloy Machine chip waste

open access: yesMaterials & Design, 2023
In this study, the as-deposited microstructure and mechanical properties are examined for both the wrought strain hardened Al-Mg-Mn alloy (AA5083-H131) feedstock and the AA5083 machine chip waste feedstock processed with Additive Friction Stir Deposition
S.C. Beck   +8 more
doaj   +1 more source

Low-velocity impact response of friction riveted joints for aircraft application

open access: yesMaterials & Design, 2020
In this paper, the sensitivity of carbon fiber reinforced polyether-ether-ketone (CF-PEEK) friction riveted joints to impact damage was assessed as well as the damage propagation during fatigue and quasi-static mechanical testing.
N.Z. Borba   +4 more
doaj   +1 more source

Tensile efficiency and fatigue life of similar and dissimilar carbon steel joints subjected to rotary friction welding

open access: yesJournal of Advanced Joining Processes, 2023
Rotary friction welding (RFW) is a solid-state welding method that can address the melting point limitation of other welding types; however, the welded area remains at risk of failure due to fatigue during operation.
Madyan Abduljabbar Marir   +3 more
doaj   +1 more source

Mechanical Behavior Associated with Metallurgical Aspects of Friction Stir Welded Al-Li Alloy Exposed to Exfoliation Corrosion Test [PDF]

open access: yes, 2020
Open Access articleThis research aims to investigate the effect of the exfoliation corrosion exposure time on the mechanical properties, the strength and elongation, of friction stir welded Al-Li alloy type 2195-T8.
Hiu, Baiyao, Khoshnaw, Fuad, Zhang, Hua
core   +2 more sources

Comparison between friction stir and submerged arc welding applied to joining DH36 and E36 shipbuilding steel [PDF]

open access: yes, 2013
With the impending development of FSW tools for steel with useful lifetimes, attention has turned to the mechanical properties of the welds that can be made in a range of industrially significant steels.
Cater, Stephen R.   +3 more
core   +1 more source

Effect of Rotational Speed on Static and Fatigue Properties of Rotary Friction Welded Dissimilar AA7075/AA5083 Aluminium Alloy Joints

open access: yesMetals, 2022
In this work, rotary friction welding processes of dissimilar AA7075/AA5083 aluminium alloy rods with the diameter of 15 mm were performed at varying rotational speeds, typically 370 to 2500 rpm.
Agus Sasmito   +3 more
doaj   +1 more source

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