Zobrazeno 1 - 10
of 1 437
pro vyhledávání: '"non-destructive test"'
Autor:
Markus Gea
Publikováno v:
Jurnal Teknik Mesin, Vol 13, Iss 2, Pp 114-119 (2024)
Abstract-- Anaerobic reactors are essential in processing organic waste, biomass, and wastewater into desired end products through a dark fermentation process. This process involves bacteria decomposing organic matter without light or oxygen, produci
Externí odkaz:
https://doaj.org/article/45f6b11209364065b226285dd71bca67
Autor:
Arava Lekhya, N. Senthil Kumar
Publikováno v:
Heliyon, Vol 10, Iss 22, Pp e39678- (2024)
Conventional cement production is a major source of CO2 emissions. As a result, there is an increasing emphasis on finding sustainable alternatives for cement and their appropriate proportion in concrete. This investigation explores the optimization
Externí odkaz:
https://doaj.org/article/bff3e9f92aaa40258b219d258177878a
Publikováno v:
Transportation Engineering, Vol 18, Iss , Pp 100280- (2024)
Quality control of stabilized dredged sediment (DS) presents significant challenges due to its high-water content. Nowadays, many in-situ and laboratory tests have been used to evaluate the quality of treated DS, and the dominant method is 28-day unc
Externí odkaz:
https://doaj.org/article/66a8dac443b145e9b9fa90c8572420f6
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03347- (2024)
The thickness of a cover significantly influences both the bonding performance and the durability of materials against frost resistance. This research investigates the degradation and damage distribution of fundamental mechanical properties in two sp
Externí odkaz:
https://doaj.org/article/a5563a2d92da465c991272fa5267a68d
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02864- (2024)
Concrete Young’s modulus is seldom verified on-site due to the time-consuming and costly nature of current testing standards. This article proposes a new, quick and affordable testing methodology to estimate the ultimate static elastic modulus of n
Externí odkaz:
https://doaj.org/article/bb7326197ace46558f9b3ee1f60821ed
Publikováno v:
Drvna Industrija, Vol 75, Iss 2, Pp 227-236 (2024)
This article presents the possibilities of substituting expensive and scarce wood materials in the construction of piano cases, especially the front panels of upright pianos. Three-layer blockboard, multi-layer plywood, medium-density fibreboard (MDF
Externí odkaz:
https://doaj.org/article/416fe236ac754003afff1ecfd8cbde1e
Publikováno v:
Düzce Üniversitesi Bilim ve Teknoloji Dergisi, Vol 11, Iss 5, Pp 2283-2292 (2023)
In the construction industry, tests such as compressive strength, density porosity, and water absorption porosity are frequently used to determine material properties. In general, experimental studies are divided into two categories: destructive and
Externí odkaz:
https://doaj.org/article/b2f0f3dafbdd45748d22ce91ac2d43b6
Autor:
Ari Wahjudi, Agung Sugeng Widodo
Publikováno v:
Rekayasa Mesin, Vol 14, Iss 3, Pp 987-1000 (2023)
Polymer matrix composite (PMC) is widely applied in structural engineering mainly due to its high strength-to-weight ratio. Of many benefits, the transportation industry uses this type of material mainly due to its high strength-to-weight ratio. In m
Externí odkaz:
https://doaj.org/article/d6cae87d12894c468e4052706bbd3291
Autor:
Cristiano Soares Junior, Paulo Roberto Aguiar, Doriana M. D’Addona, Pedro Oliveira Conceição Junior, Reinaldo Götz Oliveira Junior
Publikováno v:
Sensors, Vol 24, Iss 18, p 5874 (2024)
This work presents the study of a reproducible acoustic emission method based on the launching of a metallic sphere and low-cost piezoelectric diaphragm. For this purpose, tests were first conducted on a carbon fiber-reinforced polymer structure, and
Externí odkaz:
https://doaj.org/article/8d41d8a1d177488e863452655c9b617a
Autor:
Elan Gabriel Forteski, Rodrigo Helleis, Renata Bachmann Guimarães Valt, Leonardo Henrique Gomes, Jorge Omar Rios, Carolina Mocelin Gomes Pires, Haroldo de Araújo Ponte, Maria José Jerônimo de Santana Ponte
Publikováno v:
Materials Research, Vol 27, Iss suppl 1 (2024)
Duplex stainless steels are widely used due to their good mechanical properties and corrosion resistance. However, they are susceptible to microstructural fragility related to harmful transformations taking place in intermetallic phases, such as the
Externí odkaz:
https://doaj.org/article/19e300b0055449808e39439f65d924d8