Results 1 to 10 of about 58,863 (268)
Test for effect of welding layers on girth weld toughness of X80 pipeline steel
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
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
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
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
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
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
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
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
Robust conductive hydrogels are in great demand for the practical applications of smart soft robots, epidermal electronics, and human–machine interactions.
Xiuru Xu +4 more
doaj +1 more source
In our previous studies, we have developed a wet process, denoted laser surface implanting (LSI), to synthesize a copper/single-walled carbon nanotube (Cu−SWCNT) metal nanocomposite as an implant onto the surface of a pure copper substrate.
Jay F. Tu, Nilesh Rajule, Sang Don Mun
doaj +1 more source

