Results 81 to 90 of about 184,718 (304)

Failure Analysis on 42CrMo Steel Bolt Fracture

open access: yesAdvances in Materials Science and Engineering, 2019
Fracture behaviors of 42CrMo ultrahigh strength steel-based bolt have been experimentally studied including macroscopic and microscopic fracture observation, metallographic test, mechanical property testing, and energy spectrum analysis. The results show
Guo Hongfei   +8 more
doaj   +1 more source

MAGTWIST: A Magnetically‐Driven Rotary Actuator Using a Traveling‐Wave With Integrated Stiffness Tunability

open access: yesAdvanced Functional Materials, EarlyView.
MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler   +3 more
wiley   +1 more source

A review of fracture mechanics life technology [PDF]

open access: yes
Current lifetime prediction technology for structural components subjected to cyclic loads was reviewed. The central objectives of the project were to report the current state of and recommend future development of fracture mechanics-based analytical ...
Besuner, P. M.   +2 more
core   +1 more source

Fatigue of boron-aluminum composites bonds and joints [PDF]

open access: yes, 1973
Study examines effects of boron filament diameter on bonds and joints in boron-aluminum composite. Data include static strength, fatigue, and dynamic moduli of elasticity. Manson-Coffin analyses and metallurgical and fracture surface evaluation were also
Hersh, M. S.
core   +1 more source

Correlation regimes in fluctuations of fatigue crack growth [PDF]

open access: yes, 2005
This paper investigates correlation properties of fluctuations in fatigue crack growth of polycrystalline materials, such as ductile alloys, that are commonly encountered in structures and machinery components of complex electromechanical systems.
Anderson   +44 more
core   +1 more source

Biomaterials‐Based Hydrogel with Superior Bio‐Mimetic Ionic Conductivity and Tissue‐Matching Softness for Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
By mimicking the ion‐accelerating effect of ion channel receptors in neuron membranes, a biomaterials‐based ionic hydrogel (BIH) is developed, which offers a high ionic conductivity of 7.04 S m−1, outperforming conventional chitosan, cellulose, agarose, starch, and gelatin based ionic hydrogels.
Baojin Chen   +7 more
wiley   +1 more source

ANALYSIS OF FATIGUE FRACTURE BASED ON PERIDYNAMIC

open access: yesJixie qiangdu, 2018
Perdynamic(PD) is used for analyzing crack propagation in engineering material fracture,the bonds constitute to the constitutive relation of the peridynamic,and the broken bonds represent to material fracture,but it can’t be used for the fatigue analysis.
石宏顺   +4 more
doaj  

Torsional Fatigue of Ti15Mo Titanium Alloy [PDF]

open access: yesMaterials Research
This study investigates the torsional fatigue behavior of Ti-15Mo alloy through comprehensive analyses of its mechanical properties, microstructure, fatigue stress-life curves, and fracture surfaces, providing valuable insights into its fatigue ...
Wagner Pedro Hermes   +3 more
doaj   +1 more source

Considerations concerning fatigue life of metal matrix composites [PDF]

open access: yes
Since metal matrix composites (MMC) are composed from two very distinct materials each having their own physical and mechanical properties, it is feasible that the fatigue resistance depends on the strength of the weaker constituent.
Bartolotta, Paul A.   +1 more
core   +1 more source

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