Results 1 to 10 of about 295,692 (316)

Controlling toughness and strength of FDM 3D-printed PLA components through the raster layup

open access: yesComposites Part B: Engineering, 2020
We investigate the influence of raster layup on the resulting material properties of FDM 3D-printed materials made of PLA. In particular, we investigate the resulting toughness, strength, and stiffness, with a special focus on toughness. We show that for
Josef Kiendl, Chao Gao
exaly   +2 more sources

Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin [PDF]

open access: yesScience, 2022
CrCoNi-based medium- and high-entropy alloys display outstanding damage tolerance, especially at cryogenic temperatures. In this study, we examined the fracture toughness values of the equiatomic CrCoNi and CrMnFeCoNi alloys at 20 kelvin (K).
Dong Liu   +12 more
semanticscholar   +1 more source

Test for effect of welding layers on girth weld toughness of X80 pipeline steel

open access: yesYou-qi chuyun, 2022
The girth welds of natural gas pipelines applied by self-shielded flux cored semi-automatic welding process in multiple layers and passes are prone to failure, and the main reasons include the number of welding layers is less than that required by the ...
Ting WANG   +5 more
doaj   +1 more source

On mechanics of interlocking structures by a sickle joint

open access: yesNihon Kikai Gakkai ronbunshu, 2023
In recent years, attention has focused on the excellent mechanical properties of bones, teeth, and crustaceans. In particular, interlocking tissue is strongly interested as one of the characteristics of the microscopic structure of crustaceans.
Masayuki ARAI
doaj   +1 more source

Design strategy of phase and microstructure of Si3N4 ceramics with simultaneously high hardness and toughness

open access: yesJournal of Advanced Ceramics, 2023
Aiming to achieve silicon nitride (Si3N4) ceramics with high hardness and high toughness, the relationships among phase composition, microstructure, and mechanical properties of Si3N4 ceramics prepared by spark plasma sintering (SPS) at temperatures ...
Shao-Jun TANG   +3 more
doaj   +1 more source

Effect of Double-Quenching on the Hardness and Toughness of a Wear-Resistant Steel

open access: yesMetals, 2022
Martensitic/bainitic wear-resistant steels are widely used in civilian industry, where a good combination of strength and toughness is required. In the present study, a double-quenching process was applied and compared to the conventional single ...
Jingliang Wang   +3 more
doaj   +1 more source

Enhancement of tensile performance of concrete by using synthetic polypropylene fibers

open access: yesPrzegląd Naukowy Inżynieria i Kształtowanie Środowiska, 2023
The research attempted to investigate the effect of polypropylene fibers (PP fibers) on the mechanical characteristics of concrete. According to ASTM C39/C39M and ASTM C 1609/C1609M, standard testing methods were used to examine the concrete compressive
Thunyawee Jienmaneechotchai   +4 more
doaj   +1 more source

A Facile Strategy for Compatibilization of PLA/PBS Blends by Incorporating Camellia Seed Powder

open access: yesMacromolecular Materials and Engineering, 2023
Using biodegradable blending materials is one of the most effective ways to address plastic pollution but it is hindered by its poor interfacial interaction along with high costs.
Hongjie Cai   +9 more
doaj   +1 more source

Lightweight and High Impact Polypropylene Foam Fabricated via Ultra‐Low Gas Pressure Injection Molding

open access: yesMacromolecular Materials and Engineering, 2023
Foamed materials play an important role in a lightweight design. Foam injection molding (FIM) is an advanced and convenient way to fabricate lightweight structural materials.
Wenyu Ma   +6 more
doaj   +1 more source

Defensive Traits during White Spruce (Picea glauca) Leaf Ontogeny

open access: yesInsects, 2021
Changes during leaf ontogeny affect palatability to herbivores, such that many insects, including the eastern spruce budworm (Choristoneura fumiferana (Clem.)), are specialist feeders on growing conifer leaves and buds.
Antoine-Olivier Lirette, Emma Despland
doaj   +1 more source

Home - About - Disclaimer - Privacy