Results 261 to 270 of about 158,032 (303)
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On the solid-state-bonding mechanism in friction stir welding
Extreme Mechanics Letters, 2020Abstract A critical assessment of various solid-state-bonding mechanisms is established for friction stir welding (FSW) processes of engineering alloys. The commonly assumed sintering-like diffusional-bonding hypothesis is criticized in this work as not the dominant mechanism.
Xue Wang +3 more
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Journal of Materials Science & Technology, 2022
Abstract A recently developed friction self-piercing riveting (F-SPR) technique based on the combination of friction stir processing and riveting has been reported to possess both solid-state bonding and mechanical fastening characteristics. However, there is still a lack of quantitative understanding of the hybrid enhancement mechanism, hindering ...
Yunwu Ma +6 more
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Abstract A recently developed friction self-piercing riveting (F-SPR) technique based on the combination of friction stir processing and riveting has been reported to possess both solid-state bonding and mechanical fastening characteristics. However, there is still a lack of quantitative understanding of the hybrid enhancement mechanism, hindering ...
Yunwu Ma +6 more
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Mechanical Spectroscopy, Internal Friction and Relaxation Phenomena in Solids – Suggested Reading
Solid State Phenomena, 2006A list of monographs on internal friction, anelasticity, ultrasonic attenuation, relaxation phenomena in solids, and mechanical spectroscopy published in Soviet Union, Russia, and Ukraine is provided. A complete list of proceedings from international and Russian conferences is also given.
Leszek B. Magalas +2 more
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Friction Mechanisms and Fundamental Aspects in Solid Lubricant Coatings
2006In recent years, great strides have been made in the formulation of solid lubricant coatings for a wide range of industrial applications. These coatings are now available in nano-structured and/or –composite forms to provide better performance and durability even under very severe sliding conditions.
Donnet, C., Erdemir, A.
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Wear, 1994
Abstract Complex studies of the state of solid lubricant coatings formulated with various lamellar materials made it possible to determine the physico-chemical and physico-mechanical processes responsible for the development of a protective secondary structure under friction and to define the conditions providing transition to a mild mode of wear in ...
G.D. Gamulya +3 more
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Abstract Complex studies of the state of solid lubricant coatings formulated with various lamellar materials made it possible to determine the physico-chemical and physico-mechanical processes responsible for the development of a protective secondary structure under friction and to define the conditions providing transition to a mild mode of wear in ...
G.D. Gamulya +3 more
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Friction, Wear and Mechanical Properties of Al-Si LM6 Cast Alloy Processed in Semi-solid Stage
Silicon, 2018Dry sliding wear characteristics, mechanical properties and microstructural behavior of powder-chip based reinforcement silicon rich LM6 aluminum alloy, fabricated by semi-solid casting were investigated. Wear tests were conducted on powder-chip reinforced cast samples using the pin on disc apparatus under 5, 10 and 15 N with 0.4, 0.8 and 1.2 m/s ...
Mayank Agarwal, Rajeev Srivastava
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The mechanism of sliding friction wear in polycrystalline solids
Technical Physics Letters, 2000A new micromechanical model describing the sliding friction wear of polycrystalline solids is proposed. The model is consistent with a hypothesis suggested previously, according to which the transition from intensive to moderate wear (for the nonconforming bodies in sliding friction contact) is related to attaining a definite, sufficiently small shear ...
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Industrial Lubrication and Tribology, 2018
Purpose This paper aims to find out the tribological performance and self-lubricating mechanism of the laser-textured surface filled with solid lubricant in rolling friction pair. Design/methodology/approach The textures on the surfaces of GCr15 bearing steel were produced by acousto-optic Q diode-pumped yttrium aluminum garnet laser with the ...
Xijun Hua +6 more
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Purpose This paper aims to find out the tribological performance and self-lubricating mechanism of the laser-textured surface filled with solid lubricant in rolling friction pair. Design/methodology/approach The textures on the surfaces of GCr15 bearing steel were produced by acousto-optic Q diode-pumped yttrium aluminum garnet laser with the ...
Xijun Hua +6 more
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Technical Physics, 2000
Recent experimental and theoretical studies have shown that an atomically close contact between two crystalline solids can be free from friction of rest in the event that their lattice constants are incommensurate and the interaction at their interface does not exceed a certain threshold value.
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Recent experimental and theoretical studies have shown that an atomically close contact between two crystalline solids can be free from friction of rest in the event that their lattice constants are incommensurate and the interaction at their interface does not exceed a certain threshold value.
openaire +1 more source