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Online since: October 2012
Authors: W.Y.H. Liew, Nancy J. Siambun, Sebastian Dayou, M. Azlan Bin Ismail, Jedol Dayou
Other important factors such as load, sliding velocity, temperature effects on the frictional behaviour of these coatings were also investigated.
Introduction The factors controlling the friction behaviour of materials include mechanical stresses, temperature and oxidation phenomena [1].
The complexity of sliding friction arises from the fact that all these three controlling factors are interrelated and influenced by load and sliding velocity as well as the sliding environment.
This paper aims to investigate the friction behaviour of this new and conventional type of coating –AlCrN and TiN, respectively – under different factors of load, sliding speed, temperature and oxidation effects.
Zhao, Friction and wear properties of TiN, TiAlN, AlTiN and CrAlN PVD nitride coatings, International Journal of Refractory Metals and Hard Materials. 31 (2012) 82-88
Online since: September 2020
Authors: Zainal Arifin Ahmad, Swee Yong Pung, Mohsen Ahmadipour, Tunmise Ayode Otitoju, Mohammad Arjmand
The mechanical property is a determining factor facilitating the use of HFs.
In this study, the effects of CCTO addition on the morphological and mechanical properties of the CCTO HFs are evaluated.
The possible explanation for this enhancement in mechanical properties is that the increasing the CCTO content lower the specific surface area and reduce the porosity in the structure which leads to the enhancement of mechanical properties.
Table 1: Morphological and mechanical properties of CCTO HFs.
Finally, the addition of CCTO considerably improved the mechanical properties of HFs.
Online since: March 2016
Authors: Jiang Li Ning, Yun Li Feng, Jie Li
The mechanical properties were examined by tensile tests using specimens with 1 mm thickness, 2.2 mm width and 4 mm gauge length on an Instron 3382 machine.
Mechanical properties and Hall-Petch predictions.
Ponge, Effects of heavy warm deformation on microstructure and mechanical properties of a medium carbon ferritic–pearlitic steel, ISI Int. 44(7) (2004) 1211-1216
Kaspar, Mechanical properties of an ultrafine grained C-Mn steel processed by warm deformation and annealing, Acta Mater. 53 (2005) 4881-4892
Matlock, Overview of processing, microstructure and mechanical properties of ultrafine grained bcc steels, Mater.
Online since: February 2015
Authors: Miroslav Vokáč, Tomáš Bittner, Petr Bouška, Miroslav Špaček, Martina Eliášová, Tomáš Mandlík
Reasons for using this material include its optical properties, its high durability and its resistance to climatic effects.
The theoretical strength of glass is high, but the real strength is reduced by surface imperfections, which also affect the long-term corrosion and the mechanical properties of the material [2].
The basic properties of the soda lime float glass are stated in EN 572-1 [3], which specifies the chemical composition, the optical and mechanical properties.
If the material partial factors are not determined in the National Annex, the recommended values given in the European standards should be used.
[3] EN 572-1 Glass in Building – Basic soda lime silicate glass products – Part 1: Definition and general physical and mechanical properties
Online since: January 2012
Authors: Shao Ling Xia, Feng Chun Wei, Lin Qi Zhang, Hong Juan Zheng, Zhi Wei Zhao
Ceramic binder’s performance is directly related to whether the excellent properties of CBN grits can be fully put into use, thus ultimately affect the properties of CBN grinding tools [6-8].
Therefore, vitrified bond is one of the key factors in research of vitrified bond CBN grinding tools.
Therefore, CBN grinding tools have less stress concentration and higher mechanical properties.
Ichida, Mechanical properties and grinding performance of ultrafine-crystalline cBN abrasive grains, Diam.
Webster, Evaluation of factors controlling CBN abrasive selection for vitrified bonded wheels, CIRP Ann.
Online since: July 2019
Authors: Putu Hadi Setyarini, Purnomo Purnomo
One type of aluminum widely use is AA 6061 because it has a good mechanical properties and corrosion resistance when compared to the other types of aluminum.
Those properties of this alloy can be improved even better by using the anodizing process.
This process is mostly done because it is proven to be able to increase corrosion resistance and mechanical properties of a coated metal [6,7].
One of the factors that influence the quality of the oxide layer is the electrolyte solution [8].
AA 6061 is one type of aluminum alloy which is often anodized. this material is widely used because it has good mechanical properties when compared to other types of metals [18].
Online since: October 2014
Authors: Corneliu Munteanu, Petru Avram, Bogdan Istrate, Marius Stelian Imbrea, Marian Vasile Lozneanu, Constantin Paulin
Researches in surface engineering allow the obtaining of new systems of materials by coating the basic material surface with other material having superior friction properties.
The results showed that the new material has a better microstructure than the basic material and its physical and mechanical properties have been improved.
In aggressive environments, a chemical factor (related to the environment) is added to the fretting mechanical wear; the resulting phenomenon is called fretting corrosion.
Appropriate sensors and design solutions have to be adopted to observe the main affecting parameters of fretting.
Compared to the steel’s friction coefficient which is 0.5, we can conclude that we improved the basic material’s friction properties.
Online since: January 2023
Authors: Budi Agung Kurniawan, Widyastuti Widyastuti, Adhy Prihatmiko Wibowo, Ninik Safrida, Raihan Sa'di
The mixing speed is the most considered parameter which affects the homogeneity and properties of the PM product.
The sintered specimens were then analyzed based on their microstructure, physical properties, and mechanical properties.
Hardness testing was carried out on the sintered specimen using Rockwell scale F to determine the effect of variations in the mixing speed on the mechanical properties.
To find out the relationship between the effect of homogeneity on the physical and mechanical properties of Cu-Sn, the density, porosity, and hardness analysis was carried out.
Mahmudi, Elevated-Temperature Mechanical Properties of Lead-Free Sn-0.7Cu-xSiC Nanocomposite Solders, Journal of Electronic Materials. 47 (2) (2018) 1721-1730 [10] A.
Online since: February 2014
Authors: Jian Ying Yu, Wei Dan, Song Xu, Wen Zu Li
Physical properties test and aging evaluation.
Therefore, those factors eventually lead to decrease in aging degree and rate, as well as enhancement in anti-aging capability of bitumen.
Mailvaganam, Effect of heat-ageing on the thermal and mechanical properties of APP- and SBS-modified bituminous roofing membranes, Mater.
Gallegos, Novel recycled polyethylene/ground tire rubber/bitumen blends for use in roofing applications: Thermo-mechanical properties, Polym.
Chen, Effect of reactive layered double hydroxides on the thermal and mechanical properties of LDHs/epoxy nanocomposites, Compos.
Online since: May 2014
Authors: Mikel Ortiz, Mariluz Penalva, Mildred J. Puerto, Petr Homola, Václav Kafka
The lightweight metal alloy Ti-6Al-4V is widely used in the aeronautical industry due to its excellent mechanical properties.
Introduction The use of lightweight metal alloys is a challenge for the transportation industry in general and the aeronautical one in particular since it involves both economic and environmental advantages due to the high strength to density ratio and other excellent mechanical properties these alloys show.
These tests allowed characterization of the mechanical properties and formability of the Ti-6Al-4V alloy at various conditions of straining.
From this analysis it can be concluded, see Fig. 4, that temperature and tool step are significant factors on the formability of Ti-6Al-4V and also its interaction.
Wall thickness profiles Material properties Microstructure.
Showing 7691 to 7700 of 26166 items