Zobrazeno 1 - 10
of 4 308
pro vyhledávání: '"Mechanical Characteristics"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract This research aims to produce green cement, as an alternative to traditional cement, with outstanding performance. Five alkali-activated cement pastes were fabricated based on NaOH-activation of slag (GGBFS), bypass (B), and/or silica fume (
Externí odkaz:
https://doaj.org/article/ffcf213e458341808b9db2dc338c6f5c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-15 (2024)
Abstract This study investigates the impact of long-term water immersion on the mechanical and hydrochemical properties of cemented calcareous soil, emphasizing the critical role of carbonate content in mechanical performance. Utilizing hydrochemical
Externí odkaz:
https://doaj.org/article/e09ff41dfcd74f6a9157544fe684333e
Publikováno v:
Alexandria Engineering Journal, Vol 105, Iss , Pp 156-169 (2024)
The mechanical properties and insulation damage of stator end windings in permanent magnet synchronous generator (PMSG) are investigated by theoretical analysis, finite element analysis (FEA) and experiment verification. First, a theoretical model of
Externí odkaz:
https://doaj.org/article/1b0f83a8ed66460585aa75ed120ce231
Autor:
S. Peyman
Publikováno v:
مهندسی عمران شریف, Vol 40, Iss 2, Pp 127-138 (2024)
The objective of this study was to investigate the combined impact of nano-silica, steel microfibers, and polypropylene microfibers on the mechanical properties, permeability, and resistance to chloride attack of cement composite. To achieve th
Externí odkaz:
https://doaj.org/article/fe5b36ed23c84618b86df595f80de604
Autor:
I.E. Volokitina
Publikováno v:
Успехи физики металлов, Vol 25, Iss 3, Pp 570-599 (2024)
Currently, studies of structural superplasticity (SP) are of great interest, since the use of this mode in metalworking technologies allows for the production of parts of various shapes in one operation (with high repetition accuracy of even very com
Externí odkaz:
https://doaj.org/article/3a950979264c42afb975801671c336d2
Publikováno v:
Slovak Journal of Civil Engineering, Vol 32, Iss 3, Pp 51-59 (2024)
The goal of this research focusing on the burning of coal tailings to produce a lightweight artificial aggregate is to compare the physical-mechanical and durability properties of concrete containing this new type of artificial aggregate with those o
Externí odkaz:
https://doaj.org/article/ee9a7ed546d54e8bab7650f55dd77354
Publikováno v:
Механика машин, механизмов и материалов, Iss 3(68), Pp 71-77 (2024)
A bending study was carried out on samples of rectangular cross-section made of structural steel 10Г2 (10G2) after laser hardening and laser alloying. It has been established that the presence of a laser impact zone leads to an increase in the elast
Externí odkaz:
https://doaj.org/article/628601ed3e704809b0285e4cb6a0a6f8
Publikováno v:
Petroleum, Vol 10, Iss 3, Pp 474-482 (2024)
Polycrystalline diamond compact (PDC) bit is one of the most widely used drill bits for improving the rate of penetration in deep oil and gas well and geothermal well. However, the dynamic rock fragmentation mechanics characteristics of PDC bits are
Externí odkaz:
https://doaj.org/article/b520dcfa79e14b188436fa50328619a1
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 8, Pp 1115-1134 (2024)
The application of ductile rock bolts has been a crucial method for solving the problems of large deformations, energy absorption and stability control issues in deep rock masses. To study the anchoring mechanism of the key expansive structure, this
Externí odkaz:
https://doaj.org/article/2cf910a119b64b3380be225e885c9192
Publikováno v:
工程科学学报, Vol 46, Iss 8, Pp 1434-1445 (2024)
Urban operations such as counterterrorism, hostage rescue, and building clearance are the primary forms of modern warfare. The large scale of unstructured terrain makes quadruped combat platforms have great military potential and combat effectiveness
Externí odkaz:
https://doaj.org/article/260f0ce5711d48fda1bce374ff2a74ac