Artificial Nacre with High Toughness Amplification Factor: Residual Stress‐Engineering Sparks Enhanced Extrinsic Toughening Mechanisms
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Materials"
DOI: 10.1002/adma.202108267
Abstract: The high fracture toughness of mollusk nacre is predominantly attributed to the structure‐associated extrinsic mechanisms such as platelet sliding and crack deflection. While the nacre‐mimetic structures are widely adopted in artificial ceramics, the extrinsic mechanisms… read more here.
Keywords: toughening mechanisms; toughness; extrinsic toughening; fracture toughness ... See more keywords
Mode I interlaminar fracture toughness of carbon‐epoxy coupons with embedded ceramic sensors
Sign Up to like & getrecommendations! Published in 2018 at "Advances in Polymer Technology"
DOI: 10.1002/adv.21905
Abstract: This study analyses the mechanical and crack growth behavior of woven carbon fiber reinforced plastics (CPRF) with embedded ceramic sensors. The material studied here is 3K-70-P carbon fiber plain weave with EPOLAM 2015® epoxy resin.… read more here.
Keywords: interlaminar fracture; carbon; embedded ceramic; fracture ... See more keywords
Enhancement of interlaminar fracture toughness of carbon fiber–epoxy composites using polyamide‐6,6 electrospun nanofibers
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Polymer Science"
DOI: 10.1002/app.45244
Abstract: In this study, carbon fiber–epoxy composites are interleaved with electrospun polyamide-6,6 (PA 66) nanofibers to improve their Mode-I fracture toughness. These nanofibers are directly deposited onto carbon fabrics before composite manufacturing via vacuum infusion. Three-point… read more here.
Keywords: electrospun nanofibers; carbon fiber; carbon; fiber epoxy ... See more keywords
Experimental investigation on the effects of carbon nanotubes on mode I interlaminar fracture toughness of laminated composites
Sign Up to like & getrecommendations! Published in 2018 at "Polymer Composites"
DOI: 10.1002/pc.24246
Abstract: In this research, a small quantity of multiwalled carbon nanotubes was used in order to enhance the IFT and the tensile properties of glass fiber/epoxy composite laminates. For this purpose, the nanocomposite samples, which have… read more here.
Keywords: interlaminar fracture; fracture; carbon nanotubes; fracture toughness ... See more keywords
Liquid Metal-Polymer Microlattice Metamaterials with High Fracture Toughness and Damage Recoverability.
Sign Up to like & getrecommendations! Published in 2020 at "Small"
DOI: 10.1002/smll.202004190
Abstract: Biological materials exhibit excellent fracture toughness due to their ability to dissipate energy during crack propagating through the combination of various constituents with different stiffnesses. Replicating this mechanism in engineering materials is important in mechanical… read more here.
Keywords: liquid metal; high fracture; fracture; polymer microlattice ... See more keywords
Fracture Toughness Characteristics of Stacked Bilayer Graphene via Far-Field Displacement Measurements.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202302499
Abstract: Mechanical properties of graphene, e.g., strength, modulus, and fracture toughness are extremely sensitive to flaws. Here the fracture properties of stacked bilayer graphene sheets (SBLG) are reported, obtained via stacking two individually grown graphene sheets.… read more here.
Keywords: fracture; fracture toughness; bilayer graphene; toughness ... See more keywords
A method for evaluating the fatigue crack growth in spiral notch torsion fracture toughness test
Sign Up to like & getrecommendations! Published in 2019 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-018-1398-2
Abstract: The spiral notch torsion test (SNTT) has been a recent breakthrough in measuring fracture toughness for different materials, including metals, ceramics, concrete, and polymers composites. Due to its high geometry constraint and unique loading condition,… read more here.
Keywords: fracture toughness; crack; test; crack growth ... See more keywords
Rock Fracture Toughness Study Under Mixed Mode I/III Loading
Sign Up to like & getrecommendations! Published in 2017 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-017-1201-7
Abstract: Fracture growth in underground rock structures occurs under complex stress states, which typically include the in- and out-of-plane sliding deformation of jointed rock masses before catastrophic failure. However, the lack of a comprehensive theoretical and… read more here.
Keywords: mode iii; fracture toughness; rock; fracture ... See more keywords
Experimental Study of Cracking Characteristics of Kowloon Granite Based on Three Mode I Fracture Toughness Methods
Sign Up to like & getrecommendations! Published in 2019 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-019-01882-w
Abstract: Mode I fracture toughness is an important material parameter of rock. To date, a number of laboratory methods have been developed to measure the mode I fracture toughness. Although the fracture toughness values measured by… read more here.
Keywords: kowloon granite; fracture; cracking characteristics; fracture toughness ... See more keywords
Fracture Toughness (Mode-I) of Para-Aramid/Phenolic Nano Preform Composites
Sign Up to like & getrecommendations! Published in 2018 at "Applied Composite Materials"
DOI: 10.1007/s10443-018-9709-x
Abstract: The mode-I interlaminar toughness properties of nanostitched para-aramid/phenolic multiwall carbon nanotube composites were studied. The toughness strength of the stitched and stitched/nano composites demonstrated 40 fold and 38 fold (beam theory) increases compared to the… read more here.
Keywords: aramid phenolic; mode; para aramid; stitched nano ... See more keywords
Forming mechanism of delamination cracks observed during tensile and fracture toughness testing of X70 pipeline steel
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Fracture"
DOI: 10.1007/s10704-017-0240-0
Abstract: In this study, we have investigated microstructures of the delamination cracks observed from tensile and fracture toughness test specimens using an API X70 pipeline steel. It is found that the delaminations observed from both tensile… read more here.
Keywords: tensile fracture; fracture; cracks observed; observed tensile ... See more keywords